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Adds additional conv=sync test for short reads.

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This commit is contained in:
Tyler 2021-06-08 12:37:03 -07:00
parent 841faebdac
commit ef6c850833
3 changed files with 24 additions and 0 deletions
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23
src/uu/dd/src/dd_unit_tests/conv_sync_tests.rs
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@ -1,5 +1,19 @@
use super::*;
struct LazyReader<R: Read>
{
src: R,
}
impl<R: Read> Read for LazyReader<R>
{
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize>
{
let half = buf.len() / 2;
self.src.read(&mut buf[..half])
}
}
macro_rules! make_sync_test (
( $test_id:ident, $test_name:expr, $src:expr, $sync:expr, $ibs:expr, $obs:expr, $spec:expr ) =>
{
@ -95,3 +109,12 @@ make_sync_test!(
File::open("./test-resources/gnudd-conv-sync-ibs-1031-obs-521-random.spec").unwrap()
);
make_sync_test!(
deadbeef_16_delayed,
"deadbeef-16-delayed",
LazyReader { src: File::open("./test-resources/deadbeef-16.test").unwrap() },
Some(0u8),
16,
32,
File::open("./test-resources/deadbeef-16.spec").unwrap()
);

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src/uu/dd/test-resources/deadbeef-16.spec Normal file
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src/uu/dd/test-resources/deadbeef-16.test Normal file
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@ -0,0 +1 @@
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