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Improve test coverage of sf::Color

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This commit is contained in:
Chris Thrasher 2022-06-16 18:55:38 -06:00 committed by Vittorio Romeo
parent 44d3d63ade
commit b009151e89
1 changed files with 104 additions and 54 deletions
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154
test/Graphics/Color.cpp
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@ -9,95 +9,145 @@ TEST_CASE("sf::Color class - [graphics]")
{ {
SUBCASE("Default constructor") SUBCASE("Default constructor")
{ {
sf::Color c; const sf::Color color;
CHECK(c.r == 0); CHECK(color.r == 0);
CHECK(c.g == 0); CHECK(color.g == 0);
CHECK(c.b == 0); CHECK(color.b == 0);
CHECK(c.a == 255); CHECK(color.a == 255);
} }
SUBCASE("(r, g, b) constructor") SUBCASE("(r, g, b) constructor")
{ {
sf::Color c(1, 2, 3); const sf::Color color(1, 2, 3);
CHECK(c.r == 1); CHECK(color.r == 1);
CHECK(c.g == 2); CHECK(color.g == 2);
CHECK(c.b == 3); CHECK(color.b == 3);
CHECK(c.a == 255); CHECK(color.a == 255);
} }
SUBCASE("(r, g, b, a) constructor") SUBCASE("(r, g, b, a) constructor")
{ {
sf::Color c(1, 2, 3, 4); const sf::Color color(1, 2, 3, 4);
CHECK(c.r == 1); CHECK(color.r == 1);
CHECK(c.g == 2); CHECK(color.g == 2);
CHECK(c.b == 3); CHECK(color.b == 3);
CHECK(c.a == 4); CHECK(color.a == 4);
}
} }
SUBCASE("Integer conversions") SUBCASE("Int32 constructor")
{ {
sf::Color c(1, 2, 3, 4); CHECK(sf::Color(0x00000000) == sf::Color(0, 0, 0, 0));
sf::Uint32 cInt = c.toInteger(); CHECK(sf::Color(0x01020304) == sf::Color(1, 2, 3, 4));
CHECK(sf::Color(0xFFFFFFFF) == sf::Color(255, 255, 255, 255));
sf::Color c2(cInt); }
CHECK(c2.r == 1);
CHECK(c2.g == 2);
CHECK(c2.b == 3);
CHECK(c2.a == 4);
} }
SUBCASE("Comparisons") SUBCASE("toInteger()")
{ {
sf::Color c(1, 2, 3, 4); CHECK(sf::Color(0, 0, 0, 0).toInteger() == 0x00000000);
CHECK(sf::Color(1, 2, 3, 4).toInteger() == 0x01020304);
CHECK(c == c); CHECK(sf::Color(255, 255, 255, 255).toInteger() == 0xFFFFFFFF);
CHECK(!(c != c));
sf::Color c2(4, 3, 2, 1);
CHECK(c2 != c);
CHECK(!(c2 == c));
} }
SUBCASE("Operations") SUBCASE("Operations")
{ {
SUBCASE("Clamped addition") SUBCASE("operator==")
{ {
sf::Color c(50, 50, 50, 50); CHECK(sf::Color() == sf::Color());
CHECK(c + c == sf::Color(100, 100, 100, 100)); CHECK(sf::Color(1, 2, 3, 4) == sf::Color(1, 2, 3, 4));
sf::Color c2(150, 150, 150, 150); CHECK_FALSE(sf::Color(1, 0, 0, 0) == sf::Color(0, 0, 0, 0));
CHECK(c2 + c2 == sf::Color(255, 255, 255, 255)); 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("Clamped subtraction") SUBCASE("operator!=")
{ {
sf::Color c(50, 50, 50, 50); CHECK(sf::Color(1, 0, 0, 0) != sf::Color(0, 0, 0, 0));
sf::Color c2(150, 150, 150, 150); 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(c2 - c == sf::Color(100, 100, 100, 100));
CHECK(c - c2 == sf::Color(0, 0, 0, 0)); CHECK(c - c2 == sf::Color(0, 0, 0, 0));
} }
SUBCASE("Modulation") SUBCASE("operator*")
{ {
sf::Color c(255, 255, 255, 255); const sf::Color c(255, 255, 255, 255);
sf::Color c2(2, 2, 2, 2); const sf::Color c2(2, 2, 2, 2);
CHECK(c * c2 == sf::Color(2, 2, 2, 2)); CHECK(c * c2 == sf::Color(2, 2, 2, 2));
CHECK(c2 * c == 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") SUBCASE("Constexpr support")
{ {
constexpr sf::Color c(1, 2, 3, 4); constexpr sf::Color color(1, 2, 3, 4);
static_assert(c.r == 1); static_assert(color.r == 1);
static_assert(c.g == 2); static_assert(color.g == 2);
static_assert(c.b == 3); static_assert(color.b == 3);
static_assert(c.a == 4); static_assert(color.a == 4);
static_assert(c + c == sf::Color(2, 4, 6, 8)); static_assert(color + color == sf::Color(2, 4, 6, 8));
static_assert(sf::Color::Black == sf::Color(0, 0, 0, 255)); static_assert(sf::Color::Black == sf::Color(0, 0, 0, 255));
} }