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- /*
- * DoRayMe - a quick and dirty Raytracer
- * Colour unit tests
- *
- * Created by Manoël Trapier
- * Copyright (c) 2020 986-Studio.
- *
- */
- #include <colour.h>
- #include <math.h>
- #include <gtest/gtest.h>
- TEST(ColourTest, Color_is_tuple)
- {
- Colour c = Colour(-0.5, 0.4, 1.7);
- ASSERT_EQ(c.red(), -0.5);
- ASSERT_EQ(c.green(), 0.4);
- ASSERT_EQ(c.blue(), 1.7);
- }
- TEST(ColourTest, Adding_colours)
- {
- Colour c1 = Colour(0.9, 0.6, 0.75);
- Colour c2 = Colour(0.7, 0.1, 0.25);
- ASSERT_EQ(c1 + c2, Colour(1.6, 0.7, 1.0));
- }
- TEST(ColourTest, Substracting_colours)
- {
- Colour c1 = Colour(0.9, 0.6, 0.75);
- Colour c2 = Colour(0.7, 0.1, 0.25);
- ASSERT_EQ(c1 - c2, Colour(0.2, 0.5, 0.5));
- }
- TEST(ColourTest, Multiplying_colour_by_a_scalar)
- {
- Colour c = Colour(0.2, 0.3, 0.4);
- ASSERT_EQ(c * 2, Colour(0.4, 0.6, 0.8));
- }
- TEST(ColourTest, Multiplying_colours)
- {
- Colour c1 = Colour(1, 0.2, 0.4);
- Colour c2 = Colour(0.9, 1, 0.1);
- ASSERT_EQ(c1 * c2, Colour(0.9, 0.2, 0.04));
- }
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