#include #include #include #include TEST_CASE("[Graphics] sf::Color") { SUBCASE("Construction") { SUBCASE("Default constructor") { const sf::Color color; CHECK(color.r == 0); CHECK(color.g == 0); CHECK(color.b == 0); CHECK(color.a == 255); } SUBCASE("(r, g, b) constructor") { const sf::Color color(1, 2, 3); CHECK(color.r == 1); CHECK(color.g == 2); CHECK(color.b == 3); CHECK(color.a == 255); } SUBCASE("(r, g, b, a) constructor") { const sf::Color color(1, 2, 3, 4); CHECK(color.r == 1); CHECK(color.g == 2); CHECK(color.b == 3); CHECK(color.a == 4); } SUBCASE("std::int32_t constructor") { CHECK(sf::Color(0x00000000) == sf::Color(0, 0, 0, 0)); CHECK(sf::Color(0x01020304) == sf::Color(1, 2, 3, 4)); CHECK(sf::Color(0xFFFFFFFF) == sf::Color(255, 255, 255, 255)); } } SUBCASE("toInteger()") { CHECK(sf::Color(0, 0, 0, 0).toInteger() == 0x00000000); CHECK(sf::Color(1, 2, 3, 4).toInteger() == 0x01020304); CHECK(sf::Color(255, 255, 255, 255).toInteger() == 0xFFFFFFFF); } SUBCASE("Operations") { SUBCASE("operator==") { CHECK(sf::Color() == sf::Color()); CHECK(sf::Color(1, 2, 3, 4) == sf::Color(1, 2, 3, 4)); CHECK_FALSE(sf::Color(1, 0, 0, 0) == sf::Color(0, 0, 0, 0)); CHECK_FALSE(sf::Color(0, 1, 0, 0) == sf::Color(0, 0, 0, 0)); CHECK_FALSE(sf::Color(0, 0, 1, 0) == sf::Color(0, 0, 0, 0)); CHECK_FALSE(sf::Color(0, 0, 0, 1) == sf::Color(0, 0, 0, 0)); } SUBCASE("operator!=") { CHECK(sf::Color(1, 0, 0, 0) != sf::Color(0, 0, 0, 0)); CHECK(sf::Color(0, 1, 0, 0) != sf::Color(0, 0, 0, 0)); CHECK(sf::Color(0, 0, 1, 0) != sf::Color(0, 0, 0, 0)); CHECK(sf::Color(0, 0, 0, 1) != sf::Color(0, 0, 0, 0)); CHECK_FALSE(sf::Color() != sf::Color()); CHECK_FALSE(sf::Color(1, 2, 3, 4) != sf::Color(1, 2, 3, 4)); } SUBCASE("operator+") { CHECK(sf::Color(0, 0, 0, 0) + sf::Color(0, 0, 0, 0) == sf::Color(0, 0, 0, 0)); CHECK(sf::Color(50, 50, 50, 50) + sf::Color(50, 50, 50, 50) == sf::Color(100, 100, 100, 100)); CHECK(sf::Color(100, 100, 100, 100) + sf::Color(100, 100, 100, 100) == sf::Color(200, 200, 200, 200)); CHECK(sf::Color(150, 150, 150, 150) + sf::Color(150, 150, 150, 150) == sf::Color(255, 255, 255, 255)); CHECK(sf::Color(255, 255, 255, 255) + sf::Color(255, 255, 255, 255) == sf::Color(255, 255, 255, 255)); } SUBCASE("operator-") { const sf::Color c(50, 50, 50, 50); const sf::Color c2(150, 150, 150, 150); CHECK(c2 - c == sf::Color(100, 100, 100, 100)); CHECK(c - c2 == sf::Color(0, 0, 0, 0)); } SUBCASE("operator*") { const sf::Color c(255, 255, 255, 255); const sf::Color c2(2, 2, 2, 2); CHECK(c * c2 == sf::Color(2, 2, 2, 2)); CHECK(c2 * c == sf::Color(2, 2, 2, 2)); } SUBCASE("operator+=") { sf::Color color(42, 42, 42, 42); color += sf::Color(1, 1, 1, 1); CHECK(color == sf::Color(43, 43, 43, 43)); color += sf::Color(250, 250, 250, 250); CHECK(color == sf::Color(255, 255, 255, 255)); } SUBCASE("operator-=") { sf::Color color(248, 248, 248, 248); color -= sf::Color(1, 1, 1, 1); CHECK(color == sf::Color(247, 247, 247, 247)); color -= sf::Color(250, 250, 250, 250); CHECK(color == sf::Color(0, 0, 0, 0)); } SUBCASE("operator*=") { sf::Color color(50, 50, 50, 50); color *= sf::Color(20, 20, 20, 20); CHECK(color == sf::Color(3, 3, 3, 3)); color *= sf::Color(120, 120, 120, 120); CHECK(color == sf::Color(1, 1, 1, 1)); } } SUBCASE("Constants") { CHECK(sf::Color::Black == sf::Color(0, 0, 0)); CHECK(sf::Color::White == sf::Color(255, 255, 255)); CHECK(sf::Color::Red == sf::Color(255, 0, 0)); CHECK(sf::Color::Green == sf::Color(0, 255, 0)); CHECK(sf::Color::Blue == sf::Color(0, 0, 255)); CHECK(sf::Color::Yellow == sf::Color(255, 255, 0)); CHECK(sf::Color::Magenta == sf::Color(255, 0, 255)); CHECK(sf::Color::Cyan == sf::Color(0, 255, 255)); CHECK(sf::Color::Transparent == sf::Color(0, 0, 0, 0)); } SUBCASE("Constexpr support") { constexpr sf::Color color(1, 2, 3, 4); static_assert(color.r == 1); static_assert(color.g == 2); static_assert(color.b == 3); static_assert(color.a == 4); static_assert(color + color == sf::Color(2, 4, 6, 8)); static_assert(sf::Color::Black == sf::Color(0, 0, 0, 255)); } SUBCASE("Reinterpret as std::uint8_t*") { static_assert(sizeof(sf::Color) == 4); static_assert(alignof(sf::Color) == 1); const std::vector pixels = {{10, 11, 12, 13}, {14, 15, 16, 17}, {18, 19, 20, 21}}; const std::uint8_t* begin = reinterpret_cast(pixels.data()); CHECK(begin[0] == pixels[0].r); CHECK(begin[1] == pixels[0].g); CHECK(begin[2] == pixels[0].b); CHECK(begin[3] == pixels[0].a); CHECK(begin[4] == pixels[1].r); CHECK(begin[5] == pixels[1].g); CHECK(begin[6] == pixels[1].b); CHECK(begin[7] == pixels[1].a); CHECK(begin[8] == pixels[2].r); CHECK(begin[9] == pixels[2].g); CHECK(begin[10] == pixels[2].b); CHECK(begin[11] == pixels[2].a); } }