use super::super::Grid;
use crate::panes::grid::SixelImageStore;
use crate::panes::link_handler::LinkHandler;
use ::insta::assert_snapshot;
use std::cell::RefCell;
use std::collections::HashMap;
use std::rc::Rc;
use zellij_utils::{
    data::{Palette, Style},
    pane_size::SizeInPixels,
    position::Position,
    vte,
};

use std::fmt::Write;

fn read_fixture(fixture_name: &str) -> Vec<u8> {
    let mut path_to_file = std::path::PathBuf::new();
    path_to_file.push("../src");
    path_to_file.push("tests");
    path_to_file.push("fixtures");
    path_to_file.push(fixture_name);
    std::fs::read(path_to_file)
        .unwrap_or_else(|_| panic!("could not read fixture {:?}", &fixture_name))
}

#[test]
fn vttest1_0() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest1-0";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest1_1() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest1-1";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest1_2() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest1-2";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest1_3() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest1-3";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest1_4() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest1-4";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest1_5() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest1-5";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_0() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-0";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_1() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-1";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_2() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-2";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_3() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-3";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_4() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-4";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_5() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-5";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_6() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-6";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_7() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-7";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_8() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-8";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_9() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-9";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_10() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-10";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_11() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-11";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_12() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-12";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_13() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-13";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest2_14() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest2-14";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest3_0() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest3-0";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest8_0() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest8-0";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest8_1() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest8-1";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest8_2() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest8-2";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest8_3() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest8-3";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest8_4() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest8-4";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn vttest8_5() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vttest8-5";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn csi_b() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "csi-b";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn csi_capital_i() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "csi-capital-i";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn csi_capital_z() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "csi-capital-z";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn terminal_reports() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "terminal_reports";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid.pending_messages_to_pty));
}

#[test]
fn wide_characters() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        104,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "wide_characters";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn wide_characters_line_wrap() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        104,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "wide_characters_line_wrap";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn insert_character_in_line_with_wide_character() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        104,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "wide_characters_middle_line_insert";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn delete_char_in_middle_of_line_with_widechar() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        104,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "wide-chars-delete-middle";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn delete_char_in_middle_of_line_with_multiple_widechars() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        104,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "wide-chars-delete-middle-after-multi";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn fish_wide_characters_override_clock() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        104,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "fish_wide_characters_override_clock";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn bash_delete_wide_characters() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        104,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "bash_delete_wide_characters";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn delete_wide_characters_before_cursor() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        104,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "delete_wide_characters_before_cursor";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn delete_wide_characters_before_cursor_when_cursor_is_on_wide_character() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        104,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "delete_wide_characters_before_cursor_when_cursor_is_on_wide_character";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn delete_wide_character_under_cursor() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        104,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "delete_wide_character_under_cursor";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn replace_wide_character_under_cursor() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        104,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "replace_wide_character_under_cursor";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn wrap_wide_characters() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        90,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "wide_characters_full";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn wrap_wide_characters_on_size_change() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        93,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "wide_characters_full";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    grid.change_size(21, 90);
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn unwrap_wide_characters_on_size_change() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        93,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "wide_characters_full";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    grid.change_size(21, 90);
    grid.change_size(21, 93);
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn wrap_wide_characters_in_the_middle_of_the_line() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        91,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "wide_characters_line_middle";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn wrap_wide_characters_at_the_end_of_the_line() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        90,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "wide_characters_line_end";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn copy_selected_text_from_viewport() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        27,
        125,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "grid_copy";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }

    grid.start_selection(&Position::new(23, 6));
    // check for widechar, 📦 occupies columns 34, 35, and gets selected even if only the first column is selected
    grid.end_selection(&Position::new(25, 35));
    let text = grid.get_selected_text();
    assert_eq!(
        text.unwrap(),
        "mauris in aliquam sem fringilla.\n\nzellij on  mouse-support [?] is 📦"
    );
}

#[test]
fn copy_wrapped_selected_text_from_viewport() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        22,
        73,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "grid_copy_wrapped";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }

    grid.start_selection(&Position::new(5, 0));
    grid.end_selection(&Position::new(8, 42));
    let text = grid.get_selected_text();
    assert_eq!(
        text.unwrap(),
        "Lorem ipsum dolor sit amet,                                                                                                                          consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua."
    );
}

#[test]
fn copy_selected_text_from_lines_above() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        27,
        125,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "grid_copy";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }

    grid.start_selection(&Position::new(-2, 10));
    // check for widechar, 📦 occupies columns 34, 35, and gets selected even if only the first column is selected
    grid.end_selection(&Position::new(2, 8));
    let text = grid.get_selected_text();
    assert_eq!(
        text.unwrap(),
        "eu scelerisque felis imperdiet proin fermentum leo.\nCursus risus at ultrices mi tempus.\nLaoreet id donec ultrices tincidunt arcu non sodales.\nAmet dictum sit amet justo donec enim.\nHac habi"
    );
}

#[test]
fn copy_selected_text_from_lines_below() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        27,
        125,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "grid_copy";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }

    grid.move_viewport_up(40);

    grid.start_selection(&Position::new(63, 6));
    // check for widechar, 📦 occupies columns 34, 35, and gets selected even if only the first column is selected
    grid.end_selection(&Position::new(65, 35));
    let text = grid.get_selected_text();
    assert_eq!(
        text.unwrap(),
        "mauris in aliquam sem fringilla.\n\nzellij on  mouse-support [?] is 📦"
    );
}

/*
 * These tests below are general compatibility tests for non-trivial scenarios running in the terminal.
 * They use fake TTY input replicated from these scenarios.
 *
 */

#[test]
fn run_bandwhich_from_fish_shell() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        116,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "fish_and_bandwhich";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn fish_tab_completion_options() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        116,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "fish_tab_completion_options";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn fish_select_tab_completion_options() {
    // the difference between this and the previous test is that here we press <TAB>
    // twice, meaning the selection moves between the options and the command line
    // changes.
    // this is not clearly seen in the snapshot because it does not include styles,
    // but we can see the command line change and the cursor staying in place
    // terminal_emulator_color_codes,
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        116,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "fish_select_tab_completion_options";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn vim_scroll_region_down() {
    // here we test a case where vim defines the scroll region as lesser than the screen row count
    // and then scrolls down
    // the region is defined here by vim as 1-26 (there are 28 rows)
    // then the cursor is moved to line 26 and a new line is added
    // what should happen is that the first line in the scroll region (1) is deleted
    // terminal_emulator_color_codes,
    // and an empty line is inserted in the last scroll region line (26)
    // this tests also has other steps afterwards that fills the line with the next line in the
    // sixel_image_store,
    // file
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        116,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vim_scroll_region_down";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn vim_ctrl_d() {
    // in vim ctrl-d moves down half a page
    // in this case, it sends the terminal the csi 'M' directive, which tells it to delete X (13 in
    // this case) lines inside the scroll region and push the other lines up
    // what happens here is that 13 lines are deleted and instead 13 empty lines are added at the
    // end of the scroll region
    // terminal_emulator_color_codes,
    // vim makes sure to fill these empty lines with the rest of the file
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        116,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vim_ctrl_d";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn vim_ctrl_u() {
    // in vim ctrl-u moves up half a page
    // in this case, it sends the terminal the csi 'L' directive, which tells it to insert X (13 in
    // this case) lines at the cursor, pushing away (deleting) the last line in the scroll region
    // this causes the effect of scrolling up X lines (vim replaces the lines with the ones in the
    // file above the current content)
    // terminal_emulator_color_codes,
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        116,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vim_ctrl_u";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn htop() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        116,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "htop";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn htop_scrolling() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        116,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "htop_scrolling";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn htop_right_scrolling() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        116,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "htop_right_scrolling";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn vim_overwrite() {
    // this tests the vim overwrite message
    // to recreate:
    // * open a file in vim
    // * open the same file in another window
    // * change the file in the other window and save
    // terminal_emulator_color_codes,
    // * change the file in the original vim window and save
    // * confirm you would like to change the file by pressing 'y' and then ENTER
    // sixel_image_store,
    // * if everything looks fine, this test passed :)
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        116,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "vim_overwrite";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn clear_scroll_region() {
    // this is actually a test of 1049h/l (alternative buffer)
    // @imsnif - the name is a monument to the time I didn't fully understand this mechanism :)
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        116,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "clear_scroll_region";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn display_tab_characters_properly() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        116,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "tab_characters";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn neovim_insert_mode() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        116,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "nvim_insert";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn bash_cursor_linewrap() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        116,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "bash_cursor_linewrap";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn fish_paste_multiline() {
    // here we paste a multiline command in fish shell, making sure we support it
    // going up and changing the colors of our line-wrapped pasted text
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        149,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "fish_paste_multiline";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn git_log() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        149,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "git_log";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn git_diff_scrollup() {
    // this tests makes sure that when we have a git diff that exceeds the screen size
    // we are able to scroll up
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        28,
        149,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "git_diff_scrollup";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn emacs_longbuf() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        60,
        284,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "emacs_longbuf_tutorial";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn top_and_quit() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        56,
        235,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "top_and_quit";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn exa_plus_omf_theme() {
    // this tests that we handle a tab delimited table properly
    // without overriding the previous content
    // this is a potential bug because the \t character is a goto
    // if we forwarded it as is to the terminal, we would be skipping
    // over existing on-screen content without deleting it, so we must
    // terminal_emulator_color_codes,
    // convert it to spaces
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        56,
        235,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "exa_plus_omf_theme";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn scroll_up() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        10,
        50,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "scrolling";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    grid.scroll_up_one_line();
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn scroll_down() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        10,
        50,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "scrolling";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    grid.scroll_up_one_line();
    grid.scroll_down_one_line();
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn scroll_up_with_line_wraps() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        10,
        25,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "scrolling";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    grid.scroll_up_one_line();
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn scroll_down_with_line_wraps() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        10,
        25,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "scrolling";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    grid.scroll_up_one_line();
    grid.scroll_down_one_line();
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn scroll_up_decrease_width_and_scroll_down() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        10,
        50,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "scrolling";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    for _ in 0..10 {
        grid.scroll_up_one_line();
    }
    grid.change_size(10, 25);
    for _ in 0..10 {
        grid.scroll_down_one_line();
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn scroll_up_increase_width_and_scroll_down() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        10,
        25,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "scrolling";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    for _ in 0..10 {
        grid.scroll_up_one_line();
    }
    grid.change_size(10, 50);
    for _ in 0..10 {
        grid.scroll_down_one_line();
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn saved_cursor_across_resize() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        4,
        20,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let mut parse = |s, grid: &mut Grid| {
        for b in Vec::from(s) {
            vte_parser.advance(&mut *grid, b)
        }
    };
    let content = "
\rLine 1 >fill to 20_<
\rLine 2 >fill to 20_<
\rLine 3 >fill to 20_<
\rL\u{1b}[sine 4 >fill to 20_<";
    parse(content, &mut grid);
    // Move real cursor position up three lines
    let content = "\u{1b}[3A";
    parse(content, &mut grid);
    // Truncate top of terminal, resetting cursor (but not saved cursor)
    grid.change_size(3, 20);
    // Wrap, resetting cursor again (but not saved cursor)
    grid.change_size(3, 10);
    // Restore saved cursor position and write ZZZ
    let content = "\u{1b}[uZZZ";
    parse(content, &mut grid);
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn saved_cursor_across_resize_longline() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        4,
        20,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let mut parse = |s, grid: &mut Grid| {
        for b in Vec::from(s) {
            vte_parser.advance(&mut *grid, b)
        }
    };
    let content = "
\rLine 1 >fill \u{1b}[sto 20_<";
    parse(content, &mut grid);
    // Wrap each line precisely halfway
    grid.change_size(4, 10);
    // Write 'YY' at the end (ends up on a new wrapped line), restore to the saved cursor
    // and overwrite 'to' with 'ZZ'
    let content = "YY\u{1b}[uZZ";
    parse(content, &mut grid);
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn saved_cursor_across_resize_rewrap() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        4,
        4 * 8,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let mut parse = |s, grid: &mut Grid| {
        for b in Vec::from(s) {
            vte_parser.advance(&mut *grid, b)
        }
    };
    let content = "
\r12345678123456781234567\u{1b}[s812345678"; // 4*8 chars
    parse(content, &mut grid);
    // Wrap each line precisely halfway, then rewrap to halve them again
    grid.change_size(4, 16);
    grid.change_size(4, 8);
    // Write 'Z' at the end of line 3
    let content = "\u{1b}[uZ";
    parse(content, &mut grid);
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn move_cursor_below_scroll_region() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        34,
        114,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "move_cursor_below_scroll_region";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn insert_wide_characters_in_existing_line() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        21,
        86,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "chinese_characters_line_middle";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn full_screen_scroll_region_and_scroll_up() {
    // this test is a regression test for a bug
    // where the scroll region would be set to the
    // full viewport and then scrolling up would cause
    // lines to get deleted from the viewport rather
    // than moving to "lines_above"
    // terminal_emulator_color_codes,
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        54,
        80,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "scroll_region_full_screen";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    grid.scroll_up_one_line();
    grid.scroll_up_one_line();
    grid.scroll_up_one_line();
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn ring_bell() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        134,
        64,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "ring_bell";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert!(grid.ring_bell);
}

#[test]
pub fn alternate_screen_change_size() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        20,
        20,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "alternate_screen_change_size";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    // no scrollback in alternate screen
    assert_eq!(grid.scrollback_position_and_length(), (0, 0));
    grid.change_size(10, 10);
    assert_snapshot!(format!("{:?}", grid));
    assert_eq!(grid.scrollback_position_and_length(), (0, 0))
}

#[test]
pub fn fzf_fullscreen() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        112,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "fzf_fullscreen";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn replace_multiple_wide_characters_under_cursor() {
    // this test makes sure that if we replace a wide character with a non-wide character, it
    // properly pads the excess width in the proper place (either before the replaced non-wide
    // character if the cursor was "in the middle" of the wide character, or after the character if
    // it was "in the beginning" of the wide character)
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        112,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "replace_multiple_wide_characters";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn replace_non_wide_characters_with_wide_characters() {
    // this test makes sure that if we replace a wide character with a non-wide character, it
    // properly pads the excess width in the proper place (either before the replaced non-wide
    // character if the cursor was "in the middle" of the wide character, or after the character if
    // it was "in the beginning" of the wide character)
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        112,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "replace_non_wide_characters_with_wide_characters";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn scroll_down_ansi() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        112,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "scroll_down";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn ansi_capital_t() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        112,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let content = "foo\u{1b}[14Tbar".as_bytes();
    for byte in content {
        vte_parser.advance(&mut grid, *byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn ansi_capital_s() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        112,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let content = "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nfoo\u{1b}[14Sbar".as_bytes();
    for byte in content {
        vte_parser.advance(&mut grid, *byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn terminal_pixel_size_reports() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(Some(SizeInPixels {
            height: 21,
            width: 8,
        }))),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "terminal_pixel_size_reports";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_eq!(
        grid.pending_messages_to_pty
            .iter()
            .map(|bytes| String::from_utf8(bytes.clone()).unwrap())
            .collect::<Vec<String>>(),
        vec!["\x1b[4;1071;776t", "\x1b[6;21;8t"]
    );
}

#[test]
fn terminal_pixel_size_reports_in_unsupported_terminals() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)), // in an unsupported terminal, we don't have this info
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "terminal_pixel_size_reports";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    let expected: Vec<String> = vec![];
    assert_eq!(
        grid.pending_messages_to_pty
            .iter()
            .map(|bytes| String::from_utf8(bytes.clone()).unwrap())
            .collect::<Vec<String>>(),
        expected,
    );
}

#[test]
pub fn ansi_csi_at_sign() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        112,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let content = "foo\u{1b}[2D\u{1b}[2@".as_bytes();
    for byte in content {
        vte_parser.advance(&mut grid, *byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn sixel_images_are_reaped_when_scrolled_off() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let character_cell_size = Rc::new(RefCell::new(Some(SizeInPixels {
        width: 8,
        height: 21,
    })));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        112,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        character_cell_size,
        sixel_image_store.clone(),
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let pane_content = read_fixture("sixel-image-500px.six");
    for byte in pane_content {
        vte_parser.advance(&mut grid, byte);
    }
    for _ in 0..10_051 {
        // scrollbuffer limit + viewport height
        grid.add_canonical_line();
    }
    let _ = grid.read_changes(0, 0); // we do this because this is where the images are reaped
    assert_eq!(
        sixel_image_store.borrow().image_count(),
        0,
        "all images were deleted from the store"
    );
}

#[test]
pub fn sixel_images_are_reaped_when_resetting() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let character_cell_size = Rc::new(RefCell::new(Some(SizeInPixels {
        width: 8,
        height: 21,
    })));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        112,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        character_cell_size,
        sixel_image_store.clone(),
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let pane_content = read_fixture("sixel-image-500px.six");
    for byte in pane_content {
        vte_parser.advance(&mut grid, byte);
    }
    grid.reset_terminal_state();
    let _ = grid.read_changes(0, 0); // we do this because this is where the images are reaped
    assert_eq!(
        sixel_image_store.borrow().image_count(),
        0,
        "all images were deleted from the store"
    );
}

#[test]
pub fn sixel_image_in_alternate_buffer() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let character_cell_size = Rc::new(RefCell::new(Some(SizeInPixels {
        width: 8,
        height: 21,
    })));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        30,
        112,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        character_cell_size,
        sixel_image_store.clone(),
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );

    let move_to_alternate_screen = "\u{1b}[?1049h";
    for byte in move_to_alternate_screen.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }

    let pane_content = read_fixture("sixel-image-500px.six");
    for byte in pane_content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid)); // should include the image
                                             //
    let move_away_from_alternate_screen = "\u{1b}[?1049l";
    for byte in move_away_from_alternate_screen.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }
    assert_snapshot!(format!("{:?}", grid)); // should note include the image
    assert_eq!(
        sixel_image_store.borrow().image_count(),
        0,
        "all images were deleted from the store when we moved back from alternate screen"
    );
}

#[test]
pub fn sixel_with_image_scrolling_decsdm() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let character_cell_size = Rc::new(RefCell::new(Some(SizeInPixels {
        width: 8,
        height: 21,
    })));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        30,
        112,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        character_cell_size,
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );

    // enter DECSDM
    let move_to_decsdm = "\u{1b}[?80h";
    for byte in move_to_decsdm.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }

    // write some text
    let mut text_to_fill_pane = String::new();
    for i in 0..10 {
        writeln!(&mut text_to_fill_pane, "\rline {}", i + 1).unwrap();
    }
    for byte in text_to_fill_pane.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }

    // render a sixel image (will appear on the top left and partially cover the text)
    let pane_content = read_fixture("sixel-image-100px.six");
    for byte in pane_content {
        vte_parser.advance(&mut grid, byte);
    }
    // image should be on the top left corner of the grid
    assert_snapshot!(format!("{:?}", grid));

    // leave DECSDM
    let move_away_from_decsdm = "\u{1b}[?80l";
    for byte in move_away_from_decsdm.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }

    // Go down to the beginning of the next line
    let mut go_down_once = String::new();
    writeln!(&mut go_down_once, "\n\r").unwrap();
    for byte in go_down_once.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }

    // render another sixel image, should appear under the cursor
    let pane_content = read_fixture("sixel-image-100px.six");
    for byte in pane_content {
        vte_parser.advance(&mut grid, byte);
    }

    // image should appear in cursor position
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
pub fn osc_4_background_query() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let content = "\u{1b}]10;?\u{1b}\\";
    for byte in content.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }
    let message_string = grid
        .pending_messages_to_pty
        .iter()
        .map(|m| String::from_utf8_lossy(m))
        .fold(String::new(), |mut acc, s| {
            acc.push_str(&s);
            acc
        });
    assert_eq!(message_string, "\u{1b}]10;rgb:0000/0000/0000\u{1b}\\");
}

#[test]
pub fn osc_4_foreground_query() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let content = "\u{1b}]11;?\u{1b}\\";
    for byte in content.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }
    let message_string = grid
        .pending_messages_to_pty
        .iter()
        .map(|m| String::from_utf8_lossy(m))
        .fold(String::new(), |mut acc, s| {
            acc.push_str(&s);
            acc
        });
    assert_eq!(message_string, "\u{1b}]11;rgb:0000/0000/0000\u{1b}\\");
}

#[test]
pub fn osc_4_color_query() {
    let mut color_codes = HashMap::new();
    color_codes.insert(222, String::from("rgb:ffff/d7d7/8787"));
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(color_codes));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let content = "\u{1b}]4;222;?\u{1b}\\";
    for byte in content.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }
    let message_string = grid
        .pending_messages_to_pty
        .iter()
        .map(|m| String::from_utf8_lossy(m))
        .fold(String::new(), |mut acc, s| {
            acc.push_str(&s);
            acc
        });
    assert_eq!(message_string, "\u{1b}]4;222;rgb:ffff/d7d7/8787\u{1b}\\");
}

#[test]
pub fn xtsmgraphics_color_register_count() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let content = "\u{1b}[?1;1;S\u{1b}\\";
    for byte in content.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }
    let message_string = grid
        .pending_messages_to_pty
        .iter()
        .map(|m| String::from_utf8_lossy(m))
        .fold(String::new(), |mut acc, s| {
            acc.push_str(&s);
            acc
        });
    assert_eq!(message_string, "\u{1b}[?1;0;65536S");
}

#[test]
pub fn xtsmgraphics_pixel_graphics_geometry() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let character_cell_size = Rc::new(RefCell::new(Some(SizeInPixels {
        width: 8,
        height: 21,
    })));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        51,
        97,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        character_cell_size,
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let content = "\u{1b}[?2;1;S\u{1b}\\";
    for byte in content.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }
    let message_string = grid
        .pending_messages_to_pty
        .iter()
        .map(|m| String::from_utf8_lossy(m))
        .fold(String::new(), |mut acc, s| {
            acc.push_str(&s);
            acc
        });
    assert_eq!(message_string, "\u{1b}[?2;0;776;1071S");
}

#[test]
pub fn cursor_hide_persists_through_alternate_screen() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let character_cell_size = Rc::new(RefCell::new(Some(SizeInPixels {
        width: 8,
        height: 21,
    })));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        30,
        112,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        character_cell_size,
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );

    let hide_cursor = "\u{1b}[?25l";
    for byte in hide_cursor.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }
    assert_eq!(grid.cursor_coordinates(), None, "Cursor hidden properly");

    let move_to_alternate_screen = "\u{1b}[?1049h";
    for byte in move_to_alternate_screen.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }
    assert_eq!(
        grid.cursor_coordinates(),
        None,
        "Cursor still hidden in alternate screen"
    );

    let show_cursor = "\u{1b}[?25h";
    for byte in show_cursor.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }
    assert!(grid.cursor_coordinates().is_some(), "Cursor shown");

    let move_away_from_alternate_screen = "\u{1b}[?1049l";
    for byte in move_away_from_alternate_screen.as_bytes() {
        vte_parser.advance(&mut grid, *byte);
    }
    assert!(
        grid.cursor_coordinates().is_some(),
        "Cursor still shown away from alternate screen"
    );
}

#[test]
fn table_ui_component() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "table-ui-component";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn table_ui_component_with_coordinates() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "table-ui-component-with-coordinates";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn ribbon_ui_component() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "ribbon-ui-component";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn ribbon_ui_component_with_coordinates() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        110,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "ribbon-ui-component-with-coordinates";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn nested_list_ui_component() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        120,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "nested-list-ui-component";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn nested_list_ui_component_with_coordinates() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        120,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "nested-list-ui-component-with-coordinates";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn text_ui_component() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        120,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "text-ui-component";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}

#[test]
fn text_ui_component_with_coordinates() {
    let mut vte_parser = vte::Parser::new();
    let sixel_image_store = Rc::new(RefCell::new(SixelImageStore::default()));
    let terminal_emulator_color_codes = Rc::new(RefCell::new(HashMap::new()));
    let debug = false;
    let arrow_fonts = true;
    let styled_underlines = true;
    let mut grid = Grid::new(
        41,
        120,
        Rc::new(RefCell::new(Palette::default())),
        terminal_emulator_color_codes,
        Rc::new(RefCell::new(LinkHandler::new())),
        Rc::new(RefCell::new(None)),
        sixel_image_store,
        Style::default(),
        debug,
        arrow_fonts,
        styled_underlines,
    );
    let fixture_name = "text-ui-component-with-coordinates";
    let content = read_fixture(fixture_name);
    for byte in content {
        vte_parser.advance(&mut grid, byte);
    }
    assert_snapshot!(format!("{:?}", grid));
}