add more tests

2026-08-02 23:50:37 -07:00
parent 209e774230
commit 248e57d3f0
5 changed files with 259 additions and 0 deletions
@@ -33,3 +33,59 @@ sprite_quad_origin_center :: proc(t: ^testing.T) {
 	testing.expect_value(t, o.x, f32(350))
 	testing.expect_value(t, o.y, f32(400))
 }
+
+@(test)
+frame_uvs_unflipped :: proc(t: ^testing.T) {
+	u0, v0, u1, v1 := frame_uvs({10, 20, 30, 40}, 100, 200, false)
+	testing.expect_value(t, u0, f32(0.1))
+	testing.expect_value(t, v0, f32(0.1))
+	testing.expect_value(t, u1, f32(0.4))
+	testing.expect_value(t, v1, f32(0.3))
+	testing.expect(t, u0 < u1)
+}
+
+@(test)
+frame_uvs_flipped :: proc(t: ^testing.T) {
+	a0, _, a1, _ := frame_uvs({10, 20, 30, 40}, 100, 200, false)
+	b0, v0, b1, v1 := frame_uvs({10, 20, 30, 40}, 100, 200, true)
+	testing.expect_value(t, b0, a1)
+	testing.expect_value(t, b1, a0)
+	testing.expect_value(t, v0, f32(0.1))
+	testing.expect_value(t, v1, f32(0.3))
+}
+
+@(test)
+sprite_feet_quad_no_flip :: proc(t: ^testing.T) {
+	// feet (400,500), source 100x200, pivot feet, trim (10,20), packed 80x160
+	x0, y0, x1, y1 := sprite_feet_quad(
+		{400, 500},
+		100,
+		200,
+		{10, 20},
+		{80, 160},
+		{0.5, 1.0},
+		false,
+	)
+	testing.expect_value(t, x0, f32(360)) // 400 - 50 + 10
+	testing.expect_value(t, y0, f32(320)) // 500 - 200 + 20
+	testing.expect_value(t, x1, f32(440))
+	testing.expect_value(t, y1, f32(480))
+}
+
+@(test)
+sprite_feet_quad_flip_x :: proc(t: ^testing.T) {
+	x0, y0, x1, y1 := sprite_feet_quad(
+		{400, 500},
+		100,
+		200,
+		{5, 20},
+		{80, 160},
+		{0.5, 1.0},
+		true,
+	)
+	// canvas_left = 350; trim_x_draw = 100 - 5 - 80 = 15 → x0 = 365
+	testing.expect_value(t, x0, f32(365))
+	testing.expect_value(t, y0, f32(320))
+	testing.expect_value(t, x1, f32(445))
+	testing.expect_value(t, y1, f32(480))
+}