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Make test_convert seedable, but generate the seed

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This commit is contained in:
Henrik Hørlück Berg 2023-07-05 01:24:55 +02:00 committed by ridiculousfish
parent ac2810e9ef
commit 47f1dbe56c
1 changed files with 11 additions and 7 deletions
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18
fish-rust/src/tests/string_escape.rs
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@ -164,12 +164,14 @@ fn str2hex(input: &[u8]) -> String {
#[test]
fn test_convert() {
use rand::random;
let seed: u128 = random::<u128>();
let mut rng = Pcg64Mcg::new(seed);
for _ in 0..ESCAPE_TEST_COUNT {
let mut origin: Vec<u8> = vec![];
while (random::<usize>() % ESCAPE_TEST_LENGTH) != 0 {
let byte = random();
origin.push(byte);
}
let length = rng.gen_range(0..=(2 * ESCAPE_TEST_LENGTH));
let mut origin: Vec<u8> = vec![0; length];
rng.fill_bytes(&mut origin);
let w = str2wcstring(&origin[..]);
let n = wcs2string(&w);
@ -178,11 +180,13 @@ fn test_convert() {
n,
"Conversion cycle of string:\n{:4} chars: {}\n\
produced different string:\n\
{:4} chars: {}",
{:4} chars: {}\n
Use this seed to reproduce: {}",
origin.len(),
&str2hex(&origin),
n.len(),
&str2hex(&n)
&str2hex(&n),
seed,
);
}
}