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Add hsv conversion tests

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This commit is contained in:
Brendan Zabarauskas 2013-07-10 20:13:50 +10:00
parent 49b9b85079
commit 8bca8757c2
1 changed files with 45 additions and 0 deletions
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45
src/color/hsv.rs
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@ -214,3 +214,48 @@ impl<T:Clone + FloatChannel> ToRGBA for HSVA<T> {
RGBA::from_rgb_a(self.hsv().to_rgb(), (*self).a.to_channel())
}
}
#[cfg(test)]
mod tests {
use color::*;
#[test]
fn test_hsv_to_hsv() {
assert_eq!(HSV::new::<f64>(0.0, 0.0, 1.0).to_hsv::<f32>(), HSV::new::<f32>(0.0, 0.0, 1.0));
assert_eq!(HSV::new::<f64>(0.0, 1.0, 0.6).to_hsv::<f32>(), HSV::new::<f32>(0.0, 1.0, 0.6));
assert_eq!(HSV::new::<f64>(120.0, 1.0, 0.6).to_hsv::<f32>(), HSV::new::<f32>(120.0, 1.0, 0.6));
assert_eq!(HSV::new::<f64>(240.0, 1.0, 0.6).to_hsv::<f32>(), HSV::new::<f32>(240.0, 1.0, 0.6));
}
#[test]
fn test_hsv_to_rgb() {
assert_eq!(HSV::new::<f32>(0.0, 0.0, 1.0).to_rgb::<u8>(), RGB::new::<u8>(0xFF, 0xFF, 0xFF));
assert_eq!(HSV::new::<f32>(0.0, 1.0, 0.6).to_rgb::<u8>(), RGB::new::<u8>(0x99, 0x00, 0x00));
assert_eq!(HSV::new::<f32>(120.0, 1.0, 0.6).to_rgb::<u8>(), RGB::new::<u8>(0x00, 0x99, 0x00));
assert_eq!(HSV::new::<f32>(240.0, 1.0, 0.6).to_rgb::<u8>(), RGB::new::<u8>(0x00, 0x00, 0x99));
}
#[test]
fn test_tuple_to_hsva() {
assert_eq!((RGB::new::<u8>(0xFF, 0xFF, 0xFF), 0.5f32).to_hsva::<f32>(), HSVA::new::<f32>(0.0, 0.0, 1.0, 0.5));
assert_eq!((RGB::new::<u8>(0x99, 0x00, 0x00), 0.5f32).to_hsva::<f32>(), HSVA::new::<f32>(0.0, 1.0, 0.6, 0.5));
assert_eq!((RGB::new::<u8>(0x00, 0x99, 0x00), 0.5f32).to_hsva::<f32>(), HSVA::new::<f32>(120.0, 1.0, 0.6, 0.5));
assert_eq!((RGB::new::<u8>(0x00, 0x00, 0x99), 0.5f32).to_hsva::<f32>(), HSVA::new::<f32>(240.0, 1.0, 0.6, 0.5));
}
#[test]
fn test_hsva_to_hsva() {
assert_eq!(HSVA::new::<f64>(0.0, 0.0, 1.0, 0.5).to_hsva::<f32>(), HSVA::new::<f32>(0.0, 0.0, 1.0, 0.5));
assert_eq!(HSVA::new::<f64>(0.0, 1.0, 0.6, 0.5).to_hsva::<f32>(), HSVA::new::<f32>(0.0, 1.0, 0.6, 0.5));
assert_eq!(HSVA::new::<f64>(120.0, 1.0, 0.6, 0.5).to_hsva::<f32>(), HSVA::new::<f32>(120.0, 1.0, 0.6, 0.5));
assert_eq!(HSVA::new::<f64>(240.0, 1.0, 0.6, 0.5).to_hsva::<f32>(), HSVA::new::<f32>(240.0, 1.0, 0.6, 0.5));
}
#[test]
fn test_hsva_to_rgba() {
assert_eq!(HSVA::new::<f32>(0.0, 0.0, 1.0, 0.5).to_rgba::<u8>(), RGBA::new::<u8>(0xFF, 0xFF, 0xFF, 0x7F));
assert_eq!(HSVA::new::<f32>(0.0, 1.0, 0.6, 0.5).to_rgba::<u8>(), RGBA::new::<u8>(0x99, 0x00, 0x00, 0x7F));
assert_eq!(HSVA::new::<f32>(120.0, 1.0, 0.6, 0.5).to_rgba::<u8>(), RGBA::new::<u8>(0x00, 0x99, 0x00, 0x7F));
assert_eq!(HSVA::new::<f32>(240.0, 1.0, 0.6, 0.5).to_rgba::<u8>(), RGBA::new::<u8>(0x00, 0x00, 0x99, 0x7F));
}
}