Function main

tests/Color.cpp:26–219

// --------------------------------------------------------------------------------------------------------------------

int main()
{
    using DGL_NAMESPACE::Color;

    // constructor with no arguments, must give solid black
    {
        Color c;
        DISTRHO_ASSERT_EQUAL(c.red, 0.0f, "red value is 0");
        DISTRHO_ASSERT_EQUAL(c.green, 0.0f, "green value is 0");
        DISTRHO_ASSERT_EQUAL(c.blue, 0.0f, "blue value is 0");
        DISTRHO_ASSERT_EQUAL(c.alpha, 1.0f, "alpha value is 1");
    }

    // constructor gives correct floating-point values (arguments are r, g, b, a; in order)
    {
        Color c(0.1f, 0.2f, 0.3f, 0.4f);
        DISTRHO_ASSERT_EQUAL(c.red, 0.1f, "red value is 0.1");
        DISTRHO_ASSERT_EQUAL(c.green, 0.2f, "green value is 0.2");
        DISTRHO_ASSERT_EQUAL(c.blue, 0.3f, "blue value is 0.3");
        DISTRHO_ASSERT_EQUAL(c.alpha, 0.4f, "alpha value is 0.4");
    }

    // constructor gives correct integer values normalized to float (arguments are r, g, b, a; in order)
    {
        Color c(51, 102, 153);
        DISTRHO_ASSERT_SAFE_EQUAL(c.red, 0.2f, "red value is 0.2 (integer 51)");
        DISTRHO_ASSERT_SAFE_EQUAL(c.green, 0.4f, "green value is 0.4 (integer 102)");
        DISTRHO_ASSERT_SAFE_EQUAL(c.blue, 0.6f, "blue value is 0.6 (integer 153)");
        DISTRHO_ASSERT_SAFE_EQUAL(c.alpha, 1.0f, "alpha value is 1");

        Color white(255, 255, 255);
        DISTRHO_ASSERT_EQUAL(white.red, 1.0f, "white's red value is 1");
        DISTRHO_ASSERT_EQUAL(white.green, 1.0f, "white's green value is 1");
        DISTRHO_ASSERT_EQUAL(white.blue, 1.0f, "white's blue value is 1");
        DISTRHO_ASSERT_EQUAL(white.alpha, 1.0f, "white alpha value is 1");
    }

    // copy colors around
    {
        Color black;
        Color halfTransparentWhite(1.0f, 1.0f, 1.0f, 0.5f);

        // constructor copy
        Color test(halfTransparentWhite);
        DISTRHO_ASSERT_EQUAL(test.red, 1.0f, "copied white's red value is 1.0");
        DISTRHO_ASSERT_EQUAL(test.green, 1.0f, "copied white's green value is 1");
        DISTRHO_ASSERT_EQUAL(test.blue, 1.0f, "copied white's blue value is 1");
        DISTRHO_ASSERT_EQUAL(test.alpha, 0.5f, "copied white's alpha value is 0.5");

        // assign operator
        test = black;
        DISTRHO_ASSERT_EQUAL(test.red, 0.0f, "assigned black's red value is 0");
        DISTRHO_ASSERT_EQUAL(test.green, 0.0f, "assigned black's green value is 0");
        DISTRHO_ASSERT_EQUAL(test.blue, 0.0f, "assigned black's blue value is 0");
        DISTRHO_ASSERT_EQUAL(test.alpha, 1.0f, "assigned black's alpha value is 1");
    }

    // simple color comparisons