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Add Color tests

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This commit is contained in:
Dmitry Marakasov 2017-07-07 22:13:14 +03:00
parent 68323591e4
commit 4e1042c12f
3 changed files with 117 additions and 0 deletions
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2
tests/CMakeLists.txt
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# simple command-line tests
SET(CLI_TESTS
test_color
test_color_constexpr
test_error
test_optional
test_pointrect

88
tests/test_color.cc Normal file
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#include <SDL_main.h>
#include <SDL2pp/Color.hh>
#include "testing.h"
using namespace SDL2pp;
BEGIN_TEST(int, char*[])
{
EXPECT_TRUE(Color(1, 2, 3, 4) == Color(1, 2, 3, 4));
EXPECT_TRUE(Color(1, 2, 3, 4) != Color(0, 2, 3, 4));
EXPECT_TRUE(Color(1, 2, 3, 4) != Color(1, 0, 3, 4));
EXPECT_TRUE(Color(1, 2, 3, 4) != Color(0, 2, 3, 4));
EXPECT_TRUE(Color(1, 2, 3, 4) != Color(1, 2, 3, 0));
EXPECT_TRUE(SDL_Color{1, 2, 3, 4} == Color(1, 2, 3, 4));
EXPECT_TRUE(Color(1, 2, 3, 4) == SDL_Color{1, 2, 3, 4});
}
{
EXPECT_TRUE(Color() == Color(0, 0, 0, 0));
EXPECT_TRUE(Color(1, 2, 3) == Color(1, 2, 3, 255));
Color c(1,2,3,4);
EXPECT_TRUE(c.r == 1 && c.g == 2 && c.b == 3 && c.a == 4);
EXPECT_TRUE(c.GetRed() == 1 && c.GetGreen() == 2 && c.GetBlue() == 3 && c.GetAlpha() == 4);
c = Color(4, 5, 6, 7);
EXPECT_TRUE(c.r == 4 && c.g == 5 && c.b == 6 && c.a == 7);
EXPECT_TRUE(c.GetRed() == 4 && c.GetGreen() == 5 && c.GetBlue() == 6 && c.GetAlpha() == 7);
c.SetRed(8).SetGreen(9).SetBlue(10).SetAlpha(11);
EXPECT_TRUE(c.r == 8 && c.g == 9 && c.b == 10 && c.a == 11);
c = SDL_Color{12, 13, 14, 15};
EXPECT_TRUE(c.r == 12 && c.g == 13 && c.b == 14 && c.a == 15);
}
{
// Self assignment
Color c(1, 2, 3, 4);
c = c;
EXPECT_TRUE(c == Color(1, 2, 3, 4));
}
{
// Self move-assignment
Color c(1, 2, 3, 4);
Color& cref = c;
c = std::move(cref);
EXPECT_TRUE(c.GetRed() == 1 && c.GetGreen() == 2 && c.GetBlue() == 3 && c.GetAlpha() == 4);
}
{
// Hashes
EXPECT_TRUE(std::hash<Color>()(Color(1, 2, 3, 4)) == std::hash<Color>()(Color(1, 2, 3, 4)));
EXPECT_TRUE(std::hash<Color>()(Color(1, 2, 3, 4)) != std::hash<Color>()(Color(2, 1, 3, 4)));
EXPECT_TRUE(std::hash<Color>()(Color(1, 2, 3, 4)) != std::hash<Color>()(Color(1, 2, 4, 3)));
}
{
// Construction from and comparison with SDL objects
SDL_Color sdlcolor = { 1, 2, 3, 4 };
EXPECT_TRUE(Color(sdlcolor) == Color(1, 2, 3, 4));
EXPECT_TRUE(Color(sdlcolor) != Color(0, 2, 3, 4));
EXPECT_TRUE(Color(1, 2, 3, 4) == sdlcolor);
EXPECT_TRUE(Color(0, 2, 3, 4) != sdlcolor);
}
{
// streams
std::stringstream stream;
stream << Color(1, 2, 3, 4);
EXPECT_EQUAL(stream.str(), "[r:1,g:2,b:3,a:4]");
}
END_TEST()

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tests/test_color_constexpr.cc Normal file
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#include <SDL_main.h>
#include <SDL2pp/Color.hh>
using namespace SDL2pp;
int main(int, char*[]) {
constexpr SDL_Color sc{1, 2, 3, 4};
constexpr Color c1;
constexpr Color c2(sc);
constexpr Color c3(1, 2, 3, 4);
constexpr Color c4(c2);
constexpr Color c5(1, 2, 3);
constexpr bool b1 = c2 == c4;
constexpr bool b2 = c1 != c2;
static_assert(b1, "");
static_assert(b2, "");
constexpr int r = c1.GetRed();
constexpr int g = c1.GetGreen();
constexpr int b = c1.GetBlue();
constexpr int a = c1.GetAlpha();
static_assert(r == 0 && g == 0 && b == 0 && a == 0, "");
}