1 files changed, 47 insertions, 0 deletions
diff --git a/tests/gtests/blenlib/BLI_math_vector_test.cc b/tests/gtests/blenlib/BLI_math_vector_test.cc
new file mode 100644
index 00000000000..7e75a521d4c
--- /dev/null
+++ b/tests/gtests/blenlib/BLI_math_vector_test.cc
@@ -0,0 +1,47 @@
+/* Apache License, Version 2.0 */
+
+#include "testing/testing.h"
+
+#include "BLI_math.h"
+
+TEST(math_vector, ClampVecWithFloats)
+{
+  const float min = 0.0f;
+  const float max = 1.0f;
+
+  float a[2] = {-1.0f, -1.0f};
+  clamp_v2(a, min, max);
+  EXPECT_FLOAT_EQ(0.0f, a[0]);
+  EXPECT_FLOAT_EQ(0.0f, a[1]);
+
+  float b[2] = {0.5f, 0.5f};
+  clamp_v2(b, min, max);
+  EXPECT_FLOAT_EQ(0.5f, b[0]);
+  EXPECT_FLOAT_EQ(0.5f, b[1]);
+
+  float c[2] = {2.0f, 2.0f};
+  clamp_v2(c, min, max);
+  EXPECT_FLOAT_EQ(1.0f, c[0]);
+  EXPECT_FLOAT_EQ(1.0f, c[1]);
+}
+
+TEST(math_vector, ClampVecWithVecs)
+{
+  const float min[2] = {0.0f, 2.0f};
+  const float max[2] = {1.0f, 3.0f};
+
+  float a[2] = {-1.0f, -1.0f};
+  clamp_v2_v2v2(a, min, max);
+  EXPECT_FLOAT_EQ(0.0f, a[0]);
+  EXPECT_FLOAT_EQ(2.0f, a[1]);
+
+  float b[2] = {0.5f, 2.5f};
+  clamp_v2_v2v2(b, min, max);
+  EXPECT_FLOAT_EQ(0.5f, b[0]);
+  EXPECT_FLOAT_EQ(2.5f, b[1]);
+
+  float c[2] = {2.0f, 4.0f};
+  clamp_v2_v2v2(c, min, max);
+  EXPECT_FLOAT_EQ(1.0f, c[0]);
+  EXPECT_FLOAT_EQ(3.0f, c[1]);
+}