2ea4abdce7
Next step (later) would be to properly use them other than group to lower the number of intersection calculation per ray.
82 lines
2.0 KiB
C++
82 lines
2.0 KiB
C++
/*
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* DoRayMe - a quick and dirty Raytracer
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* Boundingbox unit tests
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*
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* Created by Manoël Trapier
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* Copyright (c) 2020 986-Studio.
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*
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*/
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/*
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* DoRayMe - a quick and dirty Raytracer
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* Camera unit tests
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*
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* Created by Manoël Trapier
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* Copyright (c) 2020 986-Studio.
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*
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*/
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#include <math.h>
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#include <math_helper.h>
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#include <ray.h>
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#include <transformation.h>
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#include <stdint.h>
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#include <boundingbox.h>
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#include <gtest/gtest.h>
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TEST(BoundingBox, Default_boundingbox_is_not_set)
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{
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BoundingBox bb;
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ASSERT_TRUE(bb.isEmpty());
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ASSERT_EQ(bb.min, Point(INFINITY, INFINITY, INFINITY));
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ASSERT_EQ(bb.max, Point(-INFINITY, -INFINITY, -INFINITY));
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}
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TEST(BoundingBox, Bounding_box_can_be_created_with_values)
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{
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BoundingBox bb = BoundingBox(Point(-1, -1, -1), Point(1, 1, 1));
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ASSERT_FALSE(bb.isEmpty());
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ASSERT_EQ(bb.min, Point(-1, -1, -1));
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ASSERT_EQ(bb.max, Point(1, 1, 1));
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}
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TEST(BoundingBox, Cating_a_bb_to_an_empty_bb_reset_the_original_one)
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{
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BoundingBox bb;
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bb | BoundingBox(Point(-1, -1, -1), Point(1, 1, 1));
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ASSERT_FALSE(bb.isEmpty());
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ASSERT_EQ(bb.min, Point(-1, -1, -1));
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ASSERT_EQ(bb.max, Point(1, 1, 1));
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}
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TEST(BoundingBox, Cating_a_bb_to_another_bb_expand_the_original_one_if_needed)
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{
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BoundingBox bb(Point(-1, -1, -1), Point(1, 1, 1));
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bb | BoundingBox(Point(-2, 0, -5), Point(4, 5, 0.5));
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ASSERT_FALSE(bb.isEmpty());
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ASSERT_EQ(bb.min, Point(-2, -1, -5));
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ASSERT_EQ(bb.max, Point(4, 5, 1));
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}
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TEST(BoundingBox, A_smaller_bb_should_fit_in_a_bigger)
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{
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BoundingBox bigBb = BoundingBox(Point(-10, -10, -10), Point(10, 10, 10));
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BoundingBox smallBb = BoundingBox(Point(-2, -2, -2), Point(2, 2, 2));
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ASSERT_TRUE(bigBb.fitsIn(smallBb));
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}
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TEST(BoundingBox, A_big_bb_should_not_fit_in_a_smaller)
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{
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BoundingBox bigBb = BoundingBox(Point(-10, -10, -10), Point(10, 10, 10));
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BoundingBox smallBb = BoundingBox(Point(-2, -2, -2), Point(2, 2, 2));
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ASSERT_FALSE(smallBb.fitsIn(bigBb));
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}
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