93 lines
2.3 KiB
C
93 lines
2.3 KiB
C
#include "AABB.h"
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#include <stdarg.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <setjmp.h>
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#include <cmocka.h>
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static void test_point_AABB(void **state)
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{
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(void) state;
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Rectangle box = {0, 0, 20, 20};
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Vector2 p = {-5, -5};
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assert_false(point_in_AABB(p, box));
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p.x = 10;
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p.y = 10;
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assert_true(point_in_AABB(p, box));
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p.x = 0;
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p.y = 0;
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assert_true(point_in_AABB(p, box));
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p.x = 20;
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p.y = 20;
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assert_false(point_in_AABB(p, box));
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}
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static void test_AABB_overlap(void **state)
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{
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(void) state;
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Vector2 p1 = {10, 10};
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Vector2 sz1 = {10, 10};
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Vector2 p2 = {25, 25};
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Vector2 sz2 = {20, 20};
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Vector2 overlap = {0};
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assert_int_equal(find_AABB_overlap(p1, sz1, p2, sz2, &overlap), 0);
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assert_int_equal(find_AABB_overlap(p2, sz2, p1, sz1, &overlap), 0);
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p2.x = 10;
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p2.y = 10;
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assert_int_equal(find_AABB_overlap(p1, sz1, p2, sz2, &overlap), 2); // Smaller one is complete overlap
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assert_int_equal(find_AABB_overlap(p2, sz2, p1, sz1, &overlap), 1); // Bigger on is not
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p2.x = 15;
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p2.y = 15;
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assert_int_equal(find_AABB_overlap(p1, sz1, p2, sz2, &overlap), 1);
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assert_float_equal(overlap.x, -5, 1e-5);
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assert_float_equal(overlap.y, -5, 1e-5);
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assert_int_equal(find_AABB_overlap(p2, sz2, p1, sz1, &overlap), 1);
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assert_float_equal(overlap.x, 5, 1e-5);
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assert_float_equal(overlap.y, 5, 1e-5);
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}
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static void test_1D_overlap(void **state)
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{
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(void) state;
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Vector2 a = {0, 5};
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Vector2 b = {6, 9};
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float overlap = 0;
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assert_int_equal(find_1D_overlap(a, b, &overlap), 0);
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a.y = 6;
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assert_int_equal(find_1D_overlap(a, b, &overlap), 1);
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assert_float_equal(overlap, -1, 1e-5);
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assert_int_equal(find_1D_overlap(b, a, &overlap), 1);
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assert_float_equal(overlap, 1, 1e-5);
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a.y = 7;
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assert_int_equal(find_1D_overlap(a, b, &overlap), 1);
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assert_float_equal(overlap, -2, 1e-5);
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assert_int_equal(find_1D_overlap(b, a, &overlap), 1);
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assert_float_equal(overlap, 2, 1e-5);
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a.x = 7;
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a.y = 9;
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assert_int_equal(find_1D_overlap(a, b, &overlap), 2);
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}
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int main(void)
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{
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const struct CMUnitTest tests[] = {
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cmocka_unit_test(test_1D_overlap),
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cmocka_unit_test(test_AABB_overlap),
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cmocka_unit_test(test_point_AABB),
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};
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return cmocka_run_group_tests(tests, NULL, NULL);
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}
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