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Implemented linear_ramp_seek tests

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Also integratd assert_float_eq
This commit is contained in:
Jamie Hardt 2024-08-04 13:45:35 -07:00
parent 78fffb4ec6
commit e72de34a93
2 changed files with 12 additions and 7 deletions
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4
src/lib.rs
View file

@ -118,6 +118,10 @@ pub use cpal::{
SupportedStreamConfig,
};
#[cfg(test)]
#[macro_use]
extern crate assert_float_eq;
mod conversions;
mod sink;
mod spatial_sink;

15
src/source/linear_ramp.rs
View file

@ -1,5 +1,6 @@
use std::time::Duration;
use super::SeekError;
use crate::{Sample, Source};
@ -169,7 +170,7 @@ mod tests {
let source1 = const_source(10, 1.0f32);
let mut faded = linear_gain_ramp(source1, Duration::from_secs(4), 0.0, 1.0, true);
assert_eq!(faded.next(), Some(0.0));
assert_float_absolute_eq!(faded.next().unwrap(), 0.0);
assert_eq!(faded.next(), Some(0.25));
assert_eq!(faded.next(), Some(0.5));
assert_eq!(faded.next(), Some(0.75));
@ -205,13 +206,13 @@ mod tests {
let source1 = cycle_source(20, vec![0.0f32, 0.4f32, 0.8f32]);
let mut faded = linear_gain_ramp(source1, Duration::from_secs(10), 0.0, 1.0, true);
assert_eq!(faded.next(), Some(0.0)); // source value 0
assert_eq!(faded.next(), Some(0.04)); // source value 0.4, ramp gain 0.1
assert_eq!(faded.next(), Some(0.16)); // source value 0.8, ramp gain 0.2
assert_float_absolute_eq!(faded.next().unwrap(), 0.0); // source value 0
assert_float_absolute_eq!(faded.next().unwrap(), 0.04); // source value 0.4, ramp gain 0.1
assert_float_absolute_eq!(faded.next().unwrap(), 0.16); // source value 0.8, ramp gain 0.2
if let Ok(_result) = faded.try_seek(Duration::from_secs(5)) {
assert_eq!(faded.next(), Some(0.64)); // source value 0.8, ramp gain 0.8
assert_eq!(faded.next(), Some(0.0)); // source value 0, ramp gain 0.9
assert_eq!(faded.next(), Some(0.4)); // source value 0.4. ramp gain 1.0
assert_float_absolute_eq!(faded.next().unwrap(), 0.64); // source value 0.8, ramp gain 0.8
assert_float_absolute_eq!(faded.next().unwrap(), 0.0); // source value 0, ramp gain 0.9
assert_float_absolute_eq!(faded.next().unwrap(), 0.4); // source value 0.4. ramp gain 1.0
} else {
panic!("try_seek failed!");
}