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Merge branch 'phungleson-fix-cat'

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This commit is contained in:
Sylvestre Ledru 2020-05-04 13:15:54 +02:00
commit b1d06a9b58
1 changed files with 44 additions and 0 deletions
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44
src/uu/cat/src/cat.rs
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@ -462,3 +462,47 @@ fn write_nonprint_to_end<W: Write>(in_buf: &[u8], writer: &mut W, tab: &[u8]) ->
0
}
}
mod tests {
use std::io::{BufWriter, stdout};
#[test]
fn test_write_nonprint_to_end_new_line() {
let mut writer = BufWriter::with_capacity(1024 * 64, stdout());
let in_buf = b"\n";
let tab = b"";
super::write_nonprint_to_end(in_buf, &mut writer, tab);
assert_eq!(writer.buffer().len(), 0);
}
#[test]
fn test_write_nonprint_to_end_9() {
let mut writer = BufWriter::with_capacity(1024 * 64, stdout());
let in_buf = &[9u8];
let tab = b"tab";
super::write_nonprint_to_end(in_buf, &mut writer, tab);
assert_eq!(writer.buffer(), tab);
}
#[test]
fn test_write_nonprint_to_end_0_to_8() {
for byte in 0u8..=8u8 {
let mut writer = BufWriter::with_capacity(1024 * 64, stdout());
let in_buf = &[byte];
let tab = b"";
super::write_nonprint_to_end(in_buf, &mut writer, tab);
assert_eq!(writer.buffer(), [b'^', byte + 64]);
}
}
#[test]
fn test_write_nonprint_to_end_10_to_31() {
for byte in 11u8..=31u8 {
let mut writer = BufWriter::with_capacity(1024 * 64, stdout());
let in_buf = &[byte];
let tab = b"";
super::write_nonprint_to_end(in_buf, &mut writer, tab);
assert_eq!(writer.buffer(), [b'^', byte + 64]);
}
}
}