Add tests for sfColor

test/CMakeLists.txt

@@ -46,6 +46,7 @@ catch_discover_tests(test-csfml-window)
 
 add_executable(test-csfml-graphics
     Graphics/BlendMode.test.cpp
+    Graphics/Color.test.cpp
     Graphics/Rect.test.cpp
 )
 target_link_libraries(test-csfml-graphics PRIVATE csfml-graphics Catch2::Catch2WithMain SFML::Graphics)

test/Graphics/Color.test.cpp

@@ -0,0 +1,229 @@
+#include <CSFML/Graphics/Color.h>
+
+#include <catch2/catch_test_macros.hpp>
+
+TEST_CASE("[Graphics] sfColor")
+{
+    SECTION("Construction")
+    {
+        constexpr sfColor color{};
+        STATIC_CHECK(color.r == 0);
+        STATIC_CHECK(color.g == 0);
+        STATIC_CHECK(color.b == 0);
+        STATIC_CHECK(color.a == 0);
+    }
+
+    SECTION("Constants")
+    {
+        SECTION("sfBlack")
+        {
+            CHECK(sfBlack.r == 0);
+            CHECK(sfBlack.g == 0);
+            CHECK(sfBlack.b == 0);
+            CHECK(sfBlack.a == 255);
+        }
+
+        SECTION("sfWhite")
+        {
+            CHECK(sfWhite.r == 255);
+            CHECK(sfWhite.g == 255);
+            CHECK(sfWhite.b == 255);
+            CHECK(sfWhite.a == 255);
+        }
+
+        SECTION("sfRed")
+        {
+            CHECK(sfRed.r == 255);
+            CHECK(sfRed.g == 0);
+            CHECK(sfRed.b == 0);
+            CHECK(sfRed.a == 255);
+        }
+
+        SECTION("sfGreen")
+        {
+            CHECK(sfGreen.r == 0);
+            CHECK(sfGreen.g == 255);
+            CHECK(sfGreen.b == 0);
+            CHECK(sfGreen.a == 255);
+        }
+
+        SECTION("sfBlue")
+        {
+            CHECK(sfBlue.r == 0);
+            CHECK(sfBlue.g == 0);
+            CHECK(sfBlue.b == 255);
+            CHECK(sfBlue.a == 255);
+        }
+
+        SECTION("sfYellow")
+        {
+            CHECK(sfYellow.r == 255);
+            CHECK(sfYellow.g == 255);
+            CHECK(sfYellow.b == 0);
+            CHECK(sfYellow.a == 255);
+        }
+
+        SECTION("sfMagenta")
+        {
+            CHECK(sfMagenta.r == 255);
+            CHECK(sfMagenta.g == 0);
+            CHECK(sfMagenta.b == 255);
+            CHECK(sfMagenta.a == 255);
+        }
+
+        SECTION("sfCyan")
+        {
+            CHECK(sfCyan.r == 0);
+            CHECK(sfCyan.g == 255);
+            CHECK(sfCyan.b == 255);
+            CHECK(sfCyan.a == 255);
+        }
+
+        SECTION("sfTransparent")
+        {
+            CHECK(sfTransparent.r == 0);
+            CHECK(sfTransparent.g == 0);
+            CHECK(sfTransparent.b == 0);
+            CHECK(sfTransparent.a == 0);
+        }
+    }
+
+    SECTION("sfColor_fromRGB")
+    {
+        const sfColor color = sfColor_fromRGB(1, 2, 3);
+        CHECK(color.r == 1);
+        CHECK(color.g == 2);
+        CHECK(color.b == 3);
+        CHECK(color.a == 255);
+    }
+
+    SECTION("sfColor_fromRGBA")
+    {
+        const sfColor color = sfColor_fromRGBA(4, 5, 6, 7);
+        CHECK(color.r == 4);
+        CHECK(color.g == 5);
+        CHECK(color.b == 6);
+        CHECK(color.a == 7);
+    }
+
+    SECTION("sfColor_fromInteger")
+    {
+        sfColor color = sfColor_fromInteger(0);
+        CHECK(color.r == 0);
+        CHECK(color.g == 0);
+        CHECK(color.b == 0);
+        CHECK(color.a == 0);
+
+        color = sfColor_fromInteger(1'000);
+        CHECK(color.r == 0);
+        CHECK(color.g == 0);
+        CHECK(color.b == 3);
+        CHECK(color.a == 232);
+
+        color = sfColor_fromInteger(1'000'000);
+        CHECK(color.r == 0);
+        CHECK(color.g == 15);
+        CHECK(color.b == 66);
+        CHECK(color.a == 64);
+
+        color = sfColor_fromInteger(1'000'000'000);
+        CHECK(color.r == 59);
+        CHECK(color.g == 154);
+        CHECK(color.b == 202);
+        CHECK(color.a == 0);
+
+        color = sfColor_fromInteger(std::numeric_limits<std::uint32_t>::max());
+        CHECK(color.r == 255);
+        CHECK(color.g == 255);
+        CHECK(color.b == 255);
+        CHECK(color.a == 255);
+    }
+
+    SECTION("sfColor_toInteger")
+    {
+        CHECK(sfColor_toInteger(sfBlack) == 255);
+        CHECK(sfColor_toInteger(sfWhite) == 4'294'967'295);
+        CHECK(sfColor_toInteger(sfRed) == 4'278'190'335);
+        CHECK(sfColor_toInteger(sfGreen) == 16'711'935);
+        CHECK(sfColor_toInteger(sfBlue) == 65'535);
+        CHECK(sfColor_toInteger(sfYellow) == 4'294'902'015);
+        CHECK(sfColor_toInteger(sfMagenta) == 4'278'255'615);
+        CHECK(sfColor_toInteger(sfYellow) == 4'294'902'015);
+        CHECK(sfColor_toInteger(sfTransparent) == 0);
+    }
+
+    SECTION("sfColor_add")
+    {
+        sfColor color = sfColor_add({}, {});
+        CHECK(color.r == 0);
+        CHECK(color.g == 0);
+        CHECK(color.b == 0);
+        CHECK(color.a == 0);
+
+        color = sfColor_add({1, 2, 3, 4}, {5, 6, 7, 8});
+        CHECK(color.r == 6);
+        CHECK(color.g == 8);
+        CHECK(color.b == 10);
+        CHECK(color.a == 12);
+
+        color = sfColor_add({10, 20, 30, 40}, {200, 210, 220, 230});
+        CHECK(color.r == 210);
+        CHECK(color.g == 230);
+        CHECK(color.b == 250);
+        CHECK(color.a == 255);
+
+        color = sfColor_add({255, 255, 255, 255}, {255, 255, 255, 25});
+        CHECK(color.r == 255);
+        CHECK(color.g == 255);
+        CHECK(color.b == 255);
+        CHECK(color.a == 255);
+    }
+
+    SECTION("sfColor_subtract")
+    {
+        sfColor color = sfColor_subtract({}, {});
+        CHECK(color.r == 0);
+        CHECK(color.g == 0);
+        CHECK(color.b == 0);
+        CHECK(color.a == 0);
+
+        color = sfColor_subtract({}, {10, 20, 30, 40});
+        CHECK(color.r == 0);
+        CHECK(color.g == 0);
+        CHECK(color.b == 0);
+        CHECK(color.a == 0);
+
+        color = sfColor_subtract({100, 90, 80, 70}, {30, 40, 50, 60});
+        CHECK(color.r == 70);
+        CHECK(color.g == 50);
+        CHECK(color.b == 30);
+        CHECK(color.a == 10);
+    }
+
+    SECTION("sfColor_modulate")
+    {
+        sfColor color = sfColor_modulate({}, {});
+        CHECK(color.r == 0);
+        CHECK(color.g == 0);
+        CHECK(color.b == 0);
+        CHECK(color.a == 0);
+
+        color = sfColor_modulate({}, {1, 2, 3, 4});
+        CHECK(color.r == 0);
+        CHECK(color.g == 0);
+        CHECK(color.b == 0);
+        CHECK(color.a == 0);
+
+        color = sfColor_modulate({5, 6, 7, 8}, {1, 2, 3, 4});
+        CHECK(color.r == 0);
+        CHECK(color.g == 0);
+        CHECK(color.b == 0);
+        CHECK(color.a == 0);
+
+        color = sfColor_modulate({128, 196, 216, 255}, {0, 128, 255, 128});
+        CHECK(color.r == 0);
+        CHECK(color.g == 98);
+        CHECK(color.b == 216);
+        CHECK(color.a == 128);
+    }
+}