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Diffstat (limited to 'tests/gtests/blenlib/BLI_kdopbvh_test.cc')
-rw-r--r--tests/gtests/blenlib/BLI_kdopbvh_test.cc136
1 files changed, 0 insertions, 136 deletions
diff --git a/tests/gtests/blenlib/BLI_kdopbvh_test.cc b/tests/gtests/blenlib/BLI_kdopbvh_test.cc
deleted file mode 100644
index f8a4fc1290a..00000000000
--- a/tests/gtests/blenlib/BLI_kdopbvh_test.cc
+++ /dev/null
@@ -1,136 +0,0 @@
-/* Apache License, Version 2.0 */
-
-#include "testing/testing.h"
-
-/* TODO: ray intersection, overlap ... etc.*/
-
-#include "MEM_guardedalloc.h"
-
-#include "BLI_compiler_attrs.h"
-#include "BLI_kdopbvh.h"
-#include "BLI_math_vector.h"
-#include "BLI_rand.h"
-
-#include "stubs/bf_intern_eigen_stubs.h"
-
-/* -------------------------------------------------------------------- */
-/* Helper Functions */
-
-static void rng_v3_round(float *coords, int coords_len, struct RNG *rng, int round, float scale)
-{
- for (int i = 0; i < coords_len; i++) {
- float f = BLI_rng_get_float(rng) * 2.0f - 1.0f;
- coords[i] = ((float)((int)(f * round)) / (float)round) * scale;
- }
-}
-
-/* -------------------------------------------------------------------- */
-/* Tests */
-
-TEST(kdopbvh, Empty)
-{
- BVHTree *tree = BLI_bvhtree_new(0, 0.0, 8, 8);
- BLI_bvhtree_balance(tree);
- EXPECT_EQ(0, BLI_bvhtree_get_len(tree));
- BLI_bvhtree_free(tree);
-}
-
-TEST(kdopbvh, Single)
-{
- BVHTree *tree = BLI_bvhtree_new(1, 0.0, 8, 8);
- {
- float co[3] = {0};
- BLI_bvhtree_insert(tree, 0, co, 1);
- }
-
- EXPECT_EQ(BLI_bvhtree_get_len(tree), 1);
-
- BLI_bvhtree_balance(tree);
- BLI_bvhtree_free(tree);
-}
-
-static void optimal_check_callback(void *userdata,
- int index,
- const float co[3],
- BVHTreeNearest *nearest)
-{
- float(*points)[3] = (float(*)[3])userdata;
-
- /* BVH_NEAREST_OPTIMAL_ORDER should hit the right node on the first try */
- EXPECT_EQ(nearest->index, -1);
- EXPECT_EQ_ARRAY(co, points[index], 3);
-
- nearest->index = index;
- nearest->dist_sq = len_squared_v3v3(co, points[index]);
-}
-
-/**
- * Note that a small epsilon is added to the BVH nodes bounds, even if we pass in zero.
- * Use rounding to ensure very close nodes don't cause the wrong node to be found as nearest.
- */
-static void find_nearest_points_test(
- int points_len, float scale, int round, int random_seed, bool optimal = false)
-{
- struct RNG *rng = BLI_rng_new(random_seed);
- BVHTree *tree = BLI_bvhtree_new(points_len, 0.0, 8, 8);
-
- void *mem = MEM_mallocN(sizeof(float[3]) * points_len, __func__);
- float(*points)[3] = (float(*)[3])mem;
-
- for (int i = 0; i < points_len; i++) {
- rng_v3_round(points[i], 3, rng, round, scale);
- BLI_bvhtree_insert(tree, i, points[i], 1);
- }
- BLI_bvhtree_balance(tree);
-
- /* first find each point */
- BVHTree_NearestPointCallback callback = optimal ? optimal_check_callback : NULL;
- int flags = optimal ? BVH_NEAREST_OPTIMAL_ORDER : 0;
-
- for (int i = 0; i < points_len; i++) {
- const int j = BLI_bvhtree_find_nearest_ex(tree, points[i], NULL, callback, points, flags);
- if (j != i) {
-#if 0
- const float dist = len_v3v3(points[i], points[j]);
- if (dist > (1.0f / (float)round)) {
- printf("%.15f (%d %d)\n", dist, i, j);
- print_v3_id(points[i]);
- print_v3_id(points[j]);
- fflush(stdout);
- }
-#endif
- EXPECT_GE(j, 0);
- EXPECT_LT(j, points_len);
- EXPECT_EQ_ARRAY(points[i], points[j], 3);
- }
- }
- BLI_bvhtree_free(tree);
- BLI_rng_free(rng);
- MEM_freeN(points);
-}
-
-TEST(kdopbvh, FindNearest_1)
-{
- find_nearest_points_test(1, 1.0, 1000, 1234);
-}
-TEST(kdopbvh, FindNearest_2)
-{
- find_nearest_points_test(2, 1.0, 1000, 123);
-}
-TEST(kdopbvh, FindNearest_500)
-{
- find_nearest_points_test(500, 1.0, 1000, 12);
-}
-
-TEST(kdopbvh, OptimalFindNearest_1)
-{
- find_nearest_points_test(1, 1.0, 1000, 1234, true);
-}
-TEST(kdopbvh, OptimalFindNearest_2)
-{
- find_nearest_points_test(2, 1.0, 1000, 123, true);
-}
-TEST(kdopbvh, OptimalFindNearest_500)
-{
- find_nearest_points_test(500, 1.0, 1000, 12, true);
-}