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Remake test_object -> testObject.cc

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This was a *really* old class...
This commit is contained in:
Eryn Wells 2014-08-16 08:54:33 -07:00
parent 3a846ec282
commit 8460f2205e
2 changed files with 6 additions and 94 deletions
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test/testObject.cc Normal file
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/* test_object.cc
* vim: set tw=80:
* Eryn Wells <eryn@erynwells.me>
*/

94
test/test_object.c
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/* test_object.c
*
* Unit tests for the object module.
*
* Eryn Wells <eryn@erynwells.me>
*/
#include <stdlib.h>
#include <check.h>
#include "object.h"
#include "test_asserts.h"
#include "test_suites.h"
void check_sphere_intersection(Object *sphere, Ray ray, Vector3 *tvectors, int ntvectors);
START_TEST(test_sphere_does_intersect)
{
// Create a sphere at the origin of radius 1.
Object *sphere = object_init(ObjectTypeSphere);
object_sphere_set_radius(sphere, 1.0);
Vector3 loc, dir;
Vector3 tvectors[2];
Ray ray;
loc = vector_init(0, 0, -5);
dir = vector_init(0, 0, 1);
ray = ray_init(loc, dir);
tvectors[0] = vector_init(0, 0, -1);
tvectors[1] = vector_init(0, 0, 1);
check_sphere_intersection(sphere, ray, tvectors, 2);
loc = vector_init(0, -5, 0);
dir = vector_init(0, 1, 0);
ray = ray_init(loc, dir);
tvectors[0] = vector_init(0, -1, 0);
tvectors[1] = vector_init(0, 1, 0);
check_sphere_intersection(sphere, ray, tvectors, 2);
}
END_TEST
void
check_sphere_intersection(Object *sphere, Ray ray, Vector3 *tvectors, int ntvectors)
{
float *t;
int nints = object_does_intersect(sphere, ray, &t);
ck_assert(nints == ntvectors);
Vector3 rp;
for (int i = 0; i < nints; i++) {
rp = ray_parameterize(ray, t[i]);
test_assert_within_epsilon(rp.x, tvectors[i].x, 1e-4);
test_assert_within_epsilon(rp.y, tvectors[i].y, 1e-4);
test_assert_within_epsilon(rp.z, tvectors[i].z, 1e-4);
}
if (nints > 0) {
free(t);
}
}
START_TEST(test_sphere_point_lies_on_surface)
{
ck_assert(0);
}
END_TEST
START_TEST(test_sphere_compute_normal)
{
ck_assert(0);
}
END_TEST
Suite *
test_object_create_suite()
{
Suite *s = suite_create("object");
TCase *tc_sphere = tcase_create("sphere");
tcase_add_test(tc_sphere, test_sphere_does_intersect);
tcase_add_test(tc_sphere, test_sphere_point_lies_on_surface);
tcase_add_test(tc_sphere, test_sphere_compute_normal);
suite_add_tcase(s, tc_sphere);
return s;
}