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extern crate vt100;
use std::io::prelude::*;
fn get_file_contents(name: &str) -> Vec<u8> {
let mut file = std::fs::File::open(name).unwrap();
let mut buf = vec![];
file.read_to_end(&mut buf).unwrap();
buf
}
fn write_to_screen(chunks: &mut Vec<Vec<u8>>) -> String {
let mut screen = vt100::Screen::new(37, 193);
let mut full_chunk = vec![];
for chunk in chunks.iter_mut() {
full_chunk.append(chunk);
let bytes = screen.process(&mut full_chunk);
full_chunk = full_chunk.split_off(bytes as usize);
}
assert_eq!(full_chunk.len(), 0);
screen.window_contents(0, 0, 36, 192)
}
fn test_splits(filename: &str) {
let bytes = get_file_contents(filename);
let len = bytes.len();
let expected = write_to_screen(&mut vec![bytes.clone()]);
for i in 0..(len - 1) {
let bytes_copy = bytes.clone();
let (start, end) = bytes_copy.split_at(i);
let mut chunks = vec![start.to_vec(), end.to_vec()];
let got = write_to_screen(&mut chunks);
assert!(
got == expected,
"failed to render {} when split at byte {}",
filename,
i
);
}
}
#[test]
fn split_escapes_weechat() {
test_splits("tests/data/weechat.typescript");
}
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