Add conversion tests

Ogeon · Aug 19, 2024 · 355b199 · 355b199
1 parent 59669da
commit 355b199
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Showing 3 changed files with 72 additions and 2 deletions.
diff --git a/palette/src/encoding/adobe.rs b/palette/src/encoding/adobe.rs
@@ -155,5 +155,23 @@ mod test {
             let half_to_linear = AdobeRgb::into_linear(0.5);
             assert_relative_eq!(half_to_linear, 0.21775552, epsilon = 0.0000001);
         }
+
+        #[test]
+        fn u8_to_f32_to_u8() {
+            for expected in 0u8..=255u8 {
+                let linear: f32 = AdobeRgb::into_linear(expected);
+                let result: u8 = AdobeRgb::from_linear(linear);
+                assert_eq!(result, expected);
+            }
+        }
+
+        #[test]
+        fn u8_to_f64_to_u8() {
+            for expected in 0u8..=255u8 {
+                let linear: f64 = AdobeRgb::into_linear(expected);
+                let result: u8 = AdobeRgb::from_linear(linear);
+                assert_eq!(result, expected);
+            }
+        }
     }
 }
diff --git a/palette/src/encoding/p3.rs b/palette/src/encoding/p3.rs
@@ -99,10 +99,18 @@ pub struct DciP3Plus<F>(PhantomData<F>);
 
 impl<T: Real, F> Primaries<T> for DciP3Plus<F> {
     fn red() -> Yxy<Any, T> {
-        Yxy::new(T::from_f64(0.740), T::from_f64(0.270), T::from_f64(0.203986))
+        Yxy::new(
+            T::from_f64(0.740),
+            T::from_f64(0.270),
+            T::from_f64(0.203986),
+        )
     }
     fn green() -> Yxy<Any, T> {
-        Yxy::new(T::from_f64(0.220), T::from_f64(0.780), T::from_f64(0.882591))
+        Yxy::new(
+            T::from_f64(0.220),
+            T::from_f64(0.780),
+            T::from_f64(0.882591),
+        )
     }
     fn blue() -> Yxy<Any, T> {
         Yxy::new(
@@ -311,4 +319,26 @@ mod test {
             assert_relative_eq!(red + green + blue, DciP3::get_xyz(), epsilon = 0.00001)
         }
     }
+
+    mod transfer {
+        use crate::encoding::{FromLinear, IntoLinear, P3Gamma};
+
+        #[test]
+        fn u8_to_f32_to_u8() {
+            for expected in 0u8..=255u8 {
+                let linear: f32 = P3Gamma::into_linear(expected);
+                let result: u8 = P3Gamma::from_linear(linear);
+                assert_eq!(result, expected);
+            }
+        }
+
+        #[test]
+        fn u8_to_f64_to_u8() {
+            for expected in 0u8..=255u8 {
+                let linear: f64 = P3Gamma::into_linear(expected);
+                let result: u8 = P3Gamma::from_linear(linear);
+                assert_eq!(result, expected);
+            }
+        }
+    }
 }
diff --git a/palette/src/encoding/prophoto.rs b/palette/src/encoding/prophoto.rs
@@ -147,4 +147,26 @@ mod test {
             assert_relative_eq!(red + green + blue, D50::get_xyz(), epsilon = 0.0001);
         }
     }
+
+    mod transfer {
+        use crate::encoding::{FromLinear, IntoLinear, ProPhotoRgb};
+
+        #[test]
+        fn u16_to_f32_to_u16() {
+            for expected in 0u16..=65535u16 {
+                let linear: f32 = ProPhotoRgb::into_linear(expected as f32 / 65535.0);
+                let result: u16 = ProPhotoRgb::from_linear(linear);
+                assert_eq!(result, expected);
+            }
+        }
+
+        #[test]
+        fn u16_to_f64_to_u16() {
+            for expected in 0u16..=65535u16 {
+                let linear: f64 = ProPhotoRgb::into_linear(expected as f64 / 65535.0);
+                let result: u16 = ProPhotoRgb::from_linear(linear);
+                assert_eq!(result, expected);
+            }
+        }
+    }
 }