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Fix size_hint bug, improve size_hint test

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This commit is contained in:
Gerardo Marset 2024-03-31 05:02:30 +01:00
parent a5f06750ef
commit 2f3daa9e6c
1 changed files with 9 additions and 9 deletions
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18
src/conversions/channels.rs
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@ -68,7 +68,9 @@ where
_ => Some(I::Item::EQUILIBRIUM),
};
self.next_output_sample_pos += 1;
if result.is_some() {
self.next_output_sample_pos += 1;
}
if self.next_output_sample_pos == self.to {
self.next_output_sample_pos = 0;
@ -140,16 +142,14 @@ mod test {
#[test]
fn size_hint() {
fn test(input: &[i16], from: cpal::ChannelCount, to: cpal::ChannelCount) {
let input = input.to_vec();
let scaled_len = input.len() / from as usize * to as usize;
let mut converter = ChannelCountConverter::new(input.into_iter(), from, to);
for i in 0..scaled_len {
assert_eq!(
converter.size_hint(),
(scaled_len - i, Some(scaled_len - i))
);
let mut converter = ChannelCountConverter::new(input.iter().copied(), from, to);
let count = converter.clone().count();
for left_in_iter in (0..=count).rev() {
println!("left_in_iter = {}", left_in_iter);
assert_eq!(converter.size_hint(), (left_in_iter, Some(left_in_iter)));
converter.next();
}
assert_eq!(converter.size_hint(), (0, Some(0)));
}
test(&[1i16, 2, 3], 1, 2);