/* * DoRayMe - a quick and dirty Raytracer * Boundingbox unit tests * * Created by Manoƫl Trapier * Copyright (c) 2020 986-Studio. * */ #include #include #include #include #include #include #include TEST(BoundingBoxTest, Creating_an_empty_bounding_box) { BoundingBox bb; ASSERT_TRUE(bb.isEmpty()); ASSERT_EQ(bb.min, Point(INFINITY, INFINITY, INFINITY)); ASSERT_EQ(bb.max, Point(-INFINITY, -INFINITY, -INFINITY)); } TEST(BoundingBoxTest, Crteating_a_bounding_box_with_volume) { BoundingBox bb = BoundingBox(Point(-1, -2, -3), Point(3, 2, 1)); ASSERT_FALSE(bb.isEmpty()); ASSERT_EQ(bb.min, Point(-1, -2, -3)); ASSERT_EQ(bb.max, Point(3, 2, 1)); } TEST(BoundingBoxTest, Adding_on_bouding_to_an_empty_bounding_box) { BoundingBox bb; bb | BoundingBox(Point(-1, -1, -1), Point(1, 1, 1)); ASSERT_FALSE(bb.isEmpty()); ASSERT_EQ(bb.min, Point(-1, -1, -1)); ASSERT_EQ(bb.max, Point(1, 1, 1)); } TEST(BoundingBoxTest, Adding_boudingbox_to_another) { BoundingBox bb(Point(-1, -1, 0), Point(4, 0, 1)); bb | BoundingBox(Point(-2, 0, -5), Point(4, 5, 0.5)); ASSERT_FALSE(bb.isEmpty()); ASSERT_EQ(bb.min, Point(-2, -1, -5)); ASSERT_EQ(bb.max, Point(4, 5, 1)); } TEST(BoundingBoxTest, Adding_points_to_an_empty_bounding_box) { BoundingBox bb; bb | Point(-5, 2, 0); bb | Point(7, 0, -3); ASSERT_FALSE(bb.isEmpty()); ASSERT_EQ(bb.min, Point(-5, 0, -3)); ASSERT_EQ(bb.max, Point(7, 2, 0)); } TEST(BoundingBoxTest, A_smaller_bb_should_fit_in_a_bigger) { BoundingBox bigBb = BoundingBox(Point(-10, -10, -10), Point(10, 10, 10)); BoundingBox smallBb = BoundingBox(Point(-2, -2, -2), Point(2, 2, 2)); ASSERT_TRUE(bigBb.fitsIn(smallBb)); } TEST(BoundingBoxTest, A_big_bb_should_not_fit_in_a_smaller) { BoundingBox bigBb = BoundingBox(Point(-10, -10, -10), Point(10, 10, 10)); BoundingBox smallBb = BoundingBox(Point(-2, -2, -2), Point(2, 2, 2)); ASSERT_FALSE(smallBb.fitsIn(bigBb)); }