core/test/modules/ColorTests.cpp

#include "../Tests.hpp"
#include "core/utils/Color.hpp"

template class Core::Color<1>;
template class Core::Color<2>;
template class Core::Color<3>;
template class Core::Color<4>;

const float eps = 0.0001f;

static void testColor1() {
    Core::Color1 c(36);
    CORE_TEST_EQUAL(36, c[0]);
    CORE_TEST_FLOAT(36.0f / 255.0f, c.asFloat(0), eps);
}

static void testColor2() {
    Core::Color2 c(36 + 256, 100.0);
    CORE_TEST_EQUAL(36, c[0]);
    CORE_TEST_EQUAL(100, c[1]);
    CORE_TEST_FLOAT(36.0f / 255.0f, c.asFloat(0), eps);
    CORE_TEST_FLOAT(100.0f / 255.0f, c.asFloat(1), eps);
}

static void testColor3() {
    Core::Color3 c(36, 100.0f, 200);
    CORE_TEST_EQUAL(36, c[0]);
    CORE_TEST_EQUAL(100, c[1]);
    CORE_TEST_EQUAL(200, c[2]);
    CORE_TEST_FLOAT(36.0f / 255.0f, c.asFloat(0), eps);
    CORE_TEST_FLOAT(100.0f / 255.0f, c.asFloat(1), eps);
    CORE_TEST_FLOAT(200.0f / 255.0f, c.asFloat(2), eps);
}

template<typename T>
static void testColor4() {
    T c(36, 100, 200, 142);
    CORE_TEST_EQUAL(36, c[0]);
    CORE_TEST_EQUAL(100, c[1]);
    CORE_TEST_EQUAL(200, c[2]);
    CORE_TEST_EQUAL(142, c[3]);
    CORE_TEST_FLOAT(36.0f / 255.0f, c.asFloat(0), eps);
    CORE_TEST_FLOAT(100.0f / 255.0f, c.asFloat(1), eps);
    CORE_TEST_FLOAT(200.0f / 255.0f, c.asFloat(2), eps);
    CORE_TEST_FLOAT(142.0f / 255.0f, c.asFloat(3), eps);
}

static void testColor4Empty() {
    Core::Color4 c;
    CORE_TEST_EQUAL(0, c[0]);
    CORE_TEST_EQUAL(0, c[1]);
    CORE_TEST_EQUAL(0, c[2]);
    CORE_TEST_EQUAL(0, c[3]);
}

void Core::testColor() {
    testColor1();
    testColor2();
    testColor3();
    testColor4<Core::Color4>();
    testColor4<const Core::Color4>();
    testColor4Empty();
}