libSDL2pp/tests/test_color.cc
2017-07-26 21:47:49 -07:00

96 lines
2.4 KiB
C++

#include "catch.hpp"
#include <SDL2pp/Color.hh>
using namespace SDL2pp;
using Catch::Equals;
auto const TAGS = "[graphics][color]";
TEST_CASE("Test Color class' constructors/comparision", TAGS)
{
CHECK(Color(1, 2, 3, 4) == Color(1, 2, 3, 4));
CHECK(Color(1, 2, 3, 4) != Color(0, 2, 3, 4));
CHECK(Color(1, 2, 3, 4) != Color(1, 0, 3, 4));
CHECK(Color(1, 2, 3, 4) != Color(0, 2, 3, 4));
CHECK(Color(1, 2, 3, 4) != Color(1, 2, 3, 0));
CHECK((SDL_Color{1, 2, 3, 4} == Color(1, 2, 3, 4)));
CHECK((Color(1, 2, 3, 4) == SDL_Color{1, 2, 3, 4}));
CHECK(Color() == Color(0, 0, 0, 0));
CHECK(Color(1, 2, 3) == Color(1, 2, 3, 255));
}
TEST_CASE("Test Color class' getters/getters", TAGS)
{
Color c(1,2,3,4);
CHECK((c.r == 1 && c.g == 2 && c.b == 3 && c.a == 4));
CHECK((c.GetRed() == 1 && c.GetGreen() == 2 && c.GetBlue() == 3 && c.GetAlpha() == 4));
c = Color(4, 5, 6, 7);
CHECK((c.r == 4 && c.g == 5 && c.b == 6 && c.a == 7));
CHECK((c.GetRed() == 4 && c.GetGreen() == 5 && c.GetBlue() == 6 && c.GetAlpha() == 7));
c.SetRed(8).SetGreen(9).SetBlue(10).SetAlpha(11);
CHECK((c.r == 8 && c.g == 9 && c.b == 10 && c.a == 11));
c = SDL_Color{12, 13, 14, 15};
CHECK((c.r == 12 && c.g == 13 && c.b == 14 && c.a == 15));
}
TEST_CASE("Test Color class' self assignment", TAGS)
{
// Self assignment
Color c(1, 2, 3, 4);
c = c;
CHECK(c == Color(1, 2, 3, 4));
}
TEST_CASE("Test Color class' self move-assignment", TAGS)
{
// Self move-assignment
Color c(1, 2, 3, 4);
Color& cref = c;
c = std::move(cref);
CHECK((c.GetRed() == 1 && c.GetGreen() == 2 && c.GetBlue() == 3 && c.GetAlpha() == 4));
}
TEST_CASE("Test Color class hash methods", TAGS)
{
// Hashes
CHECK(std::hash<Color>()(Color(1, 2, 3, 4)) == std::hash<Color>()(Color(1, 2, 3, 4)));
CHECK(std::hash<Color>()(Color(1, 2, 3, 4)) != std::hash<Color>()(Color(2, 1, 3, 4)));
CHECK(std::hash<Color>()(Color(1, 2, 3, 4)) != std::hash<Color>()(Color(1, 2, 4, 3)));
}
TEST_CASE("Test Color class' operations with SDL_Color", TAGS)
{
// Construction from and comparison with SDL objects
SDL_Color sdlcolor = { 1, 2, 3, 4 };
CHECK(Color(sdlcolor) == Color(1, 2, 3, 4));
CHECK(Color(sdlcolor) != Color(0, 2, 3, 4));
CHECK(Color(1, 2, 3, 4) == sdlcolor);
CHECK(Color(0, 2, 3, 4) != sdlcolor);
}
TEST_CASE("Test Color class' stream<< operator", TAGS)
{
// streams
std::stringstream stream;
stream << Color(1, 2, 3, 4);
CHECK_THAT(stream.str(), Equals("[r:1,g:2,b:3,a:4]"));
}