Suffixed all tests with Test

tests/Math/RGB565Test.cpp

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+/*
+* This Source Code Form is subject to the terms of the Mozilla Public
+* License, v. 2.0. If a copy of the MPL was not distributed with this
+* file, You can obtain one at https://mozilla.org/MPL/2.0/.
+*/
+
+#include <catch2/catch_all.hpp>
+#include <cmath>
+
+#include "Math/RGB565.hpp"
+
+using namespace OpenVulkano::Math;
+
+namespace
+{
+	bool almostEqual(float a, float b, float epsilon = 0.001f) { return std::fabs(a - b) < epsilon; }
+}
+
+TEST_CASE("test_rgb565_default_ctor", "[RGB565]")
+{
+	RGB565 color;
+	REQUIRE(color.GetR() == 0);
+	REQUIRE(color.GetG() == 0);
+	REQUIRE(color.GetB() == 0);
+}
+
+TEST_CASE("test_rgb565_creation", "[RGB565]")
+{
+	RGB565 color1(Vector4uc(255, 255, 255, 129));
+	REQUIRE(color1.r == 31);
+	REQUIRE(color1.g == 63);
+	REQUIRE(color1.b == 31);
+
+	RGB565 color2(Vector4f(1.0f, 1.0f, 1.0f, 1.0f));
+	REQUIRE(color2.r == 31);
+	REQUIRE(color2.g == 63);
+	REQUIRE(color2.b == 31);
+
+	RGB565 color3(Vector4i(128, 128, 128, 0));
+	REQUIRE(color3.r == 15);
+	REQUIRE(color3.g == 31);
+	REQUIRE(color3.b == 15);
+}
+
+TEST_CASE("test_rgb565_conversion_to_vector3", "[RGB565]")
+{
+	RGB565 color(Vector4i(255, 0, 0, 1));
+	Vector3f vec = color.Get3Normalized<float>();
+	REQUIRE(almostEqual(vec.x, 1.0f));
+	REQUIRE(almostEqual(vec.y, 0.0f));
+	REQUIRE(almostEqual(vec.z, 0.0f));
+
+	Vector3f vec3 { 0.1f, 0.5f, 1.0f };
+	RGB565 color2(vec3);
+	REQUIRE(almostEqual(color2.GetR_Normalized(), 0.096));
+	REQUIRE(almostEqual(color2.GetG_Normalized(), 0.492));
+	REQUIRE(almostEqual(color2.GetB_Normalized(), 1.0));
+}
+
+TEST_CASE("test_rgb565_conversion_to_vector4", "[RGB565]")
+{
+	RGB565 color(Vector4i(255, 0, 0, 129));
+	Vector4f vec = color.Get4Normalized<float>();
+	REQUIRE(almostEqual(vec.x, 1.0f));
+	REQUIRE(almostEqual(vec.y, 0.0f));
+	REQUIRE(almostEqual(vec.z, 0.0f));
+	REQUIRE(almostEqual(vec.w, 1.0f));
+}
+
+TEST_CASE("test_rgb565_conversion_from_vector3", "[RGB565]")
+{
+	Vector3f vec(1.0f, 0.5f, 0.25f);
+	RGB565 color(vec);
+	REQUIRE(color.r == 31);
+	REQUIRE(color.g == 31);
+	REQUIRE(color.b == 7);
+}
+
+TEST_CASE("test_rgb565_conversion_from_vector4", "[RGB565]")
+{
+	Vector4f vec(0.0f, 1.0f, 0.5f, 0.0f);
+	RGB565 color(vec);
+	REQUIRE(color.r == 0);
+	REQUIRE(color.g == 63);
+	REQUIRE(color.b == 15);
+}
+
+TEST_CASE("test_rgb565_cast_to_vector4", "[RGB565]")
+{
+	RGB565 color;
+	color.r = 31;
+	color.g = 31;
+	color.b = 7;
+	Vector4f casted = (Vector4f)color;
+	REQUIRE(almostEqual(casted.r, 1.0));
+	REQUIRE(almostEqual(casted.g, 0.492));
+	REQUIRE(almostEqual(casted.b, 0.225));
+}
+
+TEST_CASE("test_rgb565_getters_setters", "[RGB565]")
+{
+	RGB565 color;
+	color.SetR_Normalized(0.1f);
+	color.SetG_Normalized(0.5f);
+	color.SetB_Normalized(1.0f);
+
+	REQUIRE(almostEqual(color.GetR_Normalized(), 0.096));
+	REQUIRE(almostEqual(color.GetG_Normalized(), 0.492));
+	REQUIRE(almostEqual(color.GetB_Normalized(), 1.0));
+
+	color = RGB565(Vector3<uint8_t> { 255, 127, 63 });
+	Vector3<uint8_t> vec3 = color;
+
+	REQUIRE(vec3.r == 255);
+	REQUIRE(vec3.g == 125);
+	REQUIRE(vec3.b == 57);
+}
+
+TEST_CASE("test_rgb565_comparison", "[RGB565]")
+{
+	RGB565 color1(Vector4<uint8_t>{255, 127, 63, 255});
+    RGB565 color2(Vector4<uint8_t>{255, 127, 63, 255});
+    RGB565 color3(Vector4<uint8_t>{63, 127, 255, 255});
+
+	REQUIRE(color1 == color2);
+	REQUIRE(color1 != color3);
+
+	{
+		RGB565 color4 = color1;
+        REQUIRE(color4 == color1);
+	}
+
+	Vector3<uint8_t> vec3 { 255, 127, 63 };
+	color1 = vec3;
+	REQUIRE(color1.GetR() == 255);
+	REQUIRE(color1.GetG() == 125);
+	REQUIRE(color1.GetB() == 57);
+
+	Vector4<float> vec4 { 0.1f, 0.5f, 1.0f, 0.7f };
+	color1 = vec4;
+	REQUIRE(almostEqual(color1.GetR_Normalized(), 0.096));
+	REQUIRE(almostEqual(color1.GetG_Normalized(), 0.492));
+	REQUIRE(almostEqual(color1.GetB_Normalized(), 1.0));
+}
+
+TEST_CASE("test_rgb565_operators", "[RGB565]")
+{
+	RGB565 rgb1, rgb2;
+
+	rgb1.SetR(255);
+	rgb1.SetG(127);
+	rgb1.SetB(63);
+
+	rgb2.SetR(255);
+	rgb2.SetG(127);
+	rgb2.SetB(63);
+
+	REQUIRE(rgb1 == rgb2);
+
+	rgb2.SetB(0);
+	REQUIRE(rgb1 != rgb2);
+
+	rgb1.SetR(255);
+	rgb1.SetG(127);
+	rgb1.SetB(63);
+
+	rgb2 = rgb1;
+	REQUIRE(rgb1 == rgb2);
+
+	Vector3i delta(10, 20, 30);
+	rgb1.SetR(100);
+	rgb1.SetG(50);
+	rgb1.SetB(25);
+
+	rgb1 += delta;
+
+	REQUIRE(rgb1.GetR() == 106);
+	REQUIRE(rgb1.GetG() == 64);
+	REQUIRE(rgb1.GetB() == 49);
+
+	rgb1.SetR(100);
+	rgb1.SetG(50);
+	rgb1.SetB(25);
+
+	rgb1 -= delta;
+
+	REQUIRE(rgb1.GetR() == 82);
+	REQUIRE(rgb1.GetG() == 24);
+	REQUIRE(rgb1.GetB() == 0); // Expect to clamp here
+}