public void RandomizeAlpha_AdjustsAlpha()
{
// prereq
MathTest.MathTest math = new MathTest.MathTest();
math.IsBetween_ReturnsCorrectAnswer();
// arrange
Color color = new Color(0.1f, 0.2f, 0.3f, 0.5f);
float variation = 0.25f;
// act
float min = 0.5f - variation;
float max = 0.5f + variation;
color = Palette.RandomizeAlpha(color, variation);
// assert
Assert.AreNotEqual(0.5f, color.a, "Does not always pass. Try running this test again.");
Assert.IsTrue(color.a.IsBetween(min, max, true, true));
}
public void RandomizeSaturation_AdjustsColor()
{
// prereq
MathTest.MathTest math = new MathTest.MathTest();
math.IsBetween_ReturnsCorrectAnswer();
// arrange
Color color = new Color(0.1f, 0.2f, 0.3f);
float variation = 0.1f;
// act
float minR = color.r;
float maxR = minR + (1 - color.r) * variation;
color = Palette.RandomizeSaturation(color, variation);
// assert
Assert.AreNotEqual(0.1f, color.r);
Assert.IsTrue(color.r.IsBetween(minR, maxR));
}
