@Test public void testBrighter() {

	// Arrange:
	final int color = Color.parseColor("#FF3F51B5");
	// Act + Assert:
	assertThat(Colors.brighter(color, 0f), is(color));
	float fraction = 0.01f;
	while (fraction < 1.0f) {
		final int brighterColor = Colors.brighter(color, fraction);
		assertThat(brighterColor, greaterThan(color));
		assertThat(Color.alpha(brighterColor), is(Color.alpha(color)));
		fraction += 0.01f;
	}
}