1 files changed, 36 insertions, 0 deletions
diff --git a/tests/gtests/bmesh/bmesh_core_test.cc b/tests/gtests/bmesh/bmesh_core_test.cc
new file mode 100644
index 00000000000..9c389a802de
--- /dev/null
+++ b/tests/gtests/bmesh/bmesh_core_test.cc
@@ -0,0 +1,36 @@
+#include "testing/testing.h"
+
+#include "BLI_utildefines.h"
+#include "bmesh.h"
+#include "BLI_math.h"
+
+TEST(bmesh_core, BMVertCreate) {
+	BMesh *bm;
+	BMVert *bv1, *bv2, *bv3;
+	const float co1[3] = {1.0f, 2.0f, 0.0f};
+
+	bm = BM_mesh_create(&bm_mesh_allocsize_default);
+	EXPECT_EQ(0, bm->totvert);
+	/* make a custom layer so we can see if it is copied properly */
+	BM_data_layer_add(bm, &bm->vdata, CD_PROP_FLT);
+	bv1 = BM_vert_create(bm, co1, NULL, BM_CREATE_NOP);
+	ASSERT_TRUE(bv1 != NULL);
+	EXPECT_EQ(1.0f, bv1->co[0]);
+	EXPECT_EQ(2.0f, bv1->co[1]);
+	EXPECT_EQ(0.0f, bv1->co[2]);
+	EXPECT_TRUE(is_zero_v3(bv1->no));
+	EXPECT_EQ((char)BM_VERT, bv1->head.htype);
+	EXPECT_EQ(0, bv1->head.hflag);
+	EXPECT_EQ(0, bv1->head.api_flag);
+	bv2 = BM_vert_create(bm, NULL, NULL, BM_CREATE_NOP);
+	ASSERT_TRUE(bv2 != NULL);
+	EXPECT_TRUE(is_zero_v3(bv2->co));
+	/* create with example should copy custom data but not select flag */
+	BM_vert_select_set(bm, bv2, true);
+	BM_elem_float_data_set(&bm->vdata, bv2, CD_PROP_FLT, 1.5f);
+	bv3 = BM_vert_create(bm, co1, bv2, BM_CREATE_NOP);
+	ASSERT_TRUE(bv3 != NULL);
+	EXPECT_FALSE(BM_elem_flag_test((BMElem *)bv3, BM_ELEM_SELECT));
+	EXPECT_EQ(1.5f, BM_elem_float_data_get(&bm->vdata, bv3, CD_PROP_FLT));
+	EXPECT_EQ(3, BM_mesh_elem_count(bm, BM_VERT));
+}