Files
dorayme/tests/boundingbox_test.cpp
2020-02-28 18:33:59 +00:00

94 lines
2.2 KiB
C++

/*
* DoRayMe - a quick and dirty Raytracer
* Boundingbox unit tests
*
* Created by Manoël Trapier
* Copyright (c) 2020 986-Studio.
*
*/
/*
* DoRayMe - a quick and dirty Raytracer
* Camera unit tests
*
* Created by Manoël Trapier
* Copyright (c) 2020 986-Studio.
*
*/
#include <math.h>
#include <math_helper.h>
#include <ray.h>
#include <transformation.h>
#include <stdint.h>
#include <boundingbox.h>
#include <gtest/gtest.h>
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));
}