WIP tests (broken)

crates/bevy_math/src/primitives/dim2.rs

@@ -611,6 +611,51 @@ impl CircularSegment {
  }
 }
 
+#[cfg(test)]
+mod arc_tests {
+ use super::*;
+
+ struct TestCase {
+ constructor: fn() -> Arc2d,
+ radius: f32,
+ half_angle: f32,
+ angle: f32,
+ length: f32,
+ circle_center: Vec2,
+ right_endpoint: f32,
+ left_endpoint: f32,
+ endpoints: [f32; 2],
+ midpoint: Vec2,
+ half_chord_length: f32,
+ chord_lenfth: f32,
+ chord_midpoint: Vec2,
+ apothem: f32,
+ sagitta: f32,
+ is_minor: bool,
+ is_major: bool,
+ }
+
+ static ZERO_ANGLE: TestCase = TestCase {
+ constructor: || Arc2d::new(1.0, 0.0),
+ radius: 1.0,
+ half_angle: 0.0,
+ angle: 0.0,
+ length: 0.0,
+ circle_center: Vec2::ORIGIN,
+ right_endpoint: Vec2::Y,
+ right_endpoint: Vec2::Y,
+ endpoints: [Vec2::Y, Vec2::Y],
+ midpoint: Vec2::Y,
+ half_chord_length: 0.0,
+ chord_lenfth: 0.0,
+ chord_midpoint: Vec2::Y,
+ apothem: 1.0,
+ sagitta: 0.0,
+ is_minor: true,
+ is_major: false,
+ };
+}
+
 /// An ellipse primitive
 #[derive(Clone, Copy, Debug, PartialEq)]
 #[cfg_attr(feature = "serialize", derive(serde::Serialize, serde::Deserialize))]