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#![allow(clippy::cognitive_complexity)]
#[test]
fn bel() {
let mut parser = vt100::Parser::default();
assert_eq!(parser.screen().audible_bell_count(), 0);
let screen = parser.screen().clone();
parser.process(b"\x07");
assert_eq!(parser.screen().audible_bell_count(), 1);
assert_eq!(parser.screen().audible_bell_count(), 1);
assert_eq!(parser.screen().contents_diff(&screen), b"");
assert_eq!(parser.screen().bells_diff(&screen), b"\x07");
let screen = parser.screen().clone();
parser.process(b"\x07");
assert_eq!(parser.screen().audible_bell_count(), 2);
assert_eq!(parser.screen().contents_diff(&screen), b"");
assert_eq!(parser.screen().bells_diff(&screen), b"\x07");
let screen = parser.screen().clone();
parser.process(b"\x07\x07\x07");
assert_eq!(parser.screen().audible_bell_count(), 5);
assert_eq!(parser.screen().contents_diff(&screen), b"");
assert_eq!(parser.screen().bells_diff(&screen), b"\x07");
let screen = parser.screen().clone();
parser.process(b"foo");
assert_eq!(parser.screen().audible_bell_count(), 5);
assert_eq!(parser.screen().contents_diff(&screen), b"foo");
assert_eq!(parser.screen().bells_diff(&screen), b"");
let screen = parser.screen().clone();
parser.process(b"ba\x07r");
assert_eq!(parser.screen().audible_bell_count(), 6);
assert_eq!(parser.screen().contents_diff(&screen), b"bar");
assert_eq!(parser.screen().bells_diff(&screen), b"\x07");
}
#[test]
fn bs() {
let mut parser = vt100::Parser::default();
parser.process(b"foo\x08\x08aa");
assert_eq!(parser.screen().cell(0, 0).unwrap().contents(), "f");
assert_eq!(parser.screen().cell(0, 1).unwrap().contents(), "a");
assert_eq!(parser.screen().cell(0, 2).unwrap().contents(), "a");
assert_eq!(parser.screen().cell(0, 3).unwrap().contents(), "");
assert_eq!(parser.screen().cell(1, 0).unwrap().contents(), "");
assert_eq!(parser.screen().contents(), "faa");
parser.process(b"\r\nquux\x08\x08\x08\x08\x08\x08bar");
assert_eq!(parser.screen().cell(1, 0).unwrap().contents(), "b");
assert_eq!(parser.screen().cell(1, 1).unwrap().contents(), "a");
assert_eq!(parser.screen().cell(1, 2).unwrap().contents(), "r");
assert_eq!(parser.screen().cell(1, 3).unwrap().contents(), "x");
assert_eq!(parser.screen().cell(1, 4).unwrap().contents(), "");
assert_eq!(parser.screen().cell(2, 0).unwrap().contents(), "");
assert_eq!(parser.screen().contents(), "faa\nbarx");
}
#[test]
fn tab() {
let mut parser = vt100::Parser::default();
parser.process(b"foo\tbar");
assert_eq!(parser.screen().cell(0, 0).unwrap().contents(), "f");
assert_eq!(parser.screen().cell(0, 1).unwrap().contents(), "o");
assert_eq!(parser.screen().cell(0, 2).unwrap().contents(), "o");
assert_eq!(parser.screen().cell(0, 3).unwrap().contents(), "");
assert_eq!(parser.screen().cell(0, 4).unwrap().contents(), "");
assert_eq!(parser.screen().cell(0, 5).unwrap().contents(), "");
assert_eq!(parser.screen().cell(0, 6).unwrap().contents(), "");
assert_eq!(parser.screen().cell(0, 7).unwrap().contents(), "");
assert_eq!(parser.screen().cell(0, 8).unwrap().contents(), "b");
assert_eq!(parser.screen().cell(0, 9).unwrap().contents(), "a");
assert_eq!(parser.screen().cell(0, 10).unwrap().contents(), "r");
assert_eq!(parser.screen().cell(0, 11).unwrap().contents(), "");
assert_eq!(parser.screen().contents(), "foo bar");
}
fn lf_with(b: u8) {
let mut parser = vt100::Parser::default();
parser.process(b"foo");
parser.process(&[b]);
parser.process(b"bar");
assert_eq!(parser.screen().cell(0, 0).unwrap().contents(), "f");
assert_eq!(parser.screen().cell(0, 1).unwrap().contents(), "o");
assert_eq!(parser.screen().cell(0, 2).unwrap().contents(), "o");
assert_eq!(parser.screen().cell(0, 3).unwrap().contents(), "");
assert_eq!(parser.screen().cell(1, 0).unwrap().contents(), "");
assert_eq!(parser.screen().cell(1, 1).unwrap().contents(), "");
assert_eq!(parser.screen().cell(1, 2).unwrap().contents(), "");
assert_eq!(parser.screen().cell(1, 3).unwrap().contents(), "b");
assert_eq!(parser.screen().cell(1, 4).unwrap().contents(), "a");
assert_eq!(parser.screen().cell(1, 5).unwrap().contents(), "r");
assert_eq!(parser.screen().cell(1, 6).unwrap().contents(), "");
assert_eq!(parser.screen().contents(), "foo\n bar");
parser.process(b"\x1b[H\x1b[J\x1b[4;80H");
assert_eq!(parser.screen().cursor_position(), (3, 79));
parser.process(b"a");
assert_eq!(parser.screen().cursor_position(), (3, 80));
// note: this is a behavior that terminals disagree on - xterm and urxvt
// would leave the cursor at (4, 79) here, but alacritty, tmux, and screen
// put it at (4, 80). in general, i'm aiming for roughly tmux/screen
// compat where possible, so that's what i'm going with here.
parser.process(&[b]);
assert_eq!(parser.screen().cursor_position(), (4, 80));
parser.process(b"b");
assert_eq!(parser.screen().cursor_position(), (5, 1));
}
#[test]
fn lf() {
lf_with(b'\x0a');
}
#[test]
fn vt() {
lf_with(b'\x0b');
}
#[test]
fn ff() {
lf_with(b'\x0c');
}
#[test]
fn cr() {
let mut parser = vt100::Parser::default();
parser.process(b"fooo\rbar");
assert_eq!(parser.screen().cell(0, 0).unwrap().contents(), "b");
assert_eq!(parser.screen().cell(0, 1).unwrap().contents(), "a");
assert_eq!(parser.screen().cell(0, 2).unwrap().contents(), "r");
assert_eq!(parser.screen().cell(0, 3).unwrap().contents(), "o");
assert_eq!(parser.screen().cell(0, 4).unwrap().contents(), "");
assert_eq!(parser.screen().cell(1, 0).unwrap().contents(), "");
assert_eq!(parser.screen().contents(), "baro");
}
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