add tests for clamp

makefile.am

@@ -104,7 +104,8 @@ test_tests_SOURCES=\
     test/src/test_common.c \
     test/src/test_main.c \
     test/src/test_mat4.c \
-    test/src/test_cam.c
+    test/src/test_cam.c \
+    test/src/test_clamp.c
 
 all-local:
 	sh ./post-build.sh

test/src/test_clamp.c

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#include "test_common.h"
+
+void
+test_clamp(void **state) {
+  vec3 v3 = {15.07, 0.4, 17.3};
+  vec4 v4 = {5.07,  2.3, 1.3, 1.4};
+
+  assert_true(glm_clamp(1.6f, 0.0f, 1.0f)  == 1.0f);
+  assert_true(glm_clamp(-1.6f, 0.0f, 1.0f) == 0.0f);
+  assert_true(glm_clamp(0.6f, 0.0f, 1.0f)  == 0.6f);
+
+  glm_vec_clamp(v3, 0.0, 1.0);
+  glm_vec4_clamp(v4, 1.5, 3.0);
+
+  assert_true(v3[0] == 1.0f);
+  assert_true(v3[1] == 0.4f);
+  assert_true(v3[2] == 1.0f);
+
+  assert_true(v4[0] == 3.0f);
+  assert_true(v4[1] == 2.3f);
+  assert_true(v4[2] == 1.5f);
+  assert_true(v4[3] == 1.5f);
+}

test/src/test_main.c

@@ -14,7 +14,10 @@ main(int argc, const char * argv[]) {
 
     /* camera */
     cmocka_unit_test(test_camera_lookat),
-    cmocka_unit_test(test_camera_decomp)
+    cmocka_unit_test(test_camera_decomp),
+
+    /* vector */
+    cmocka_unit_test(test_clamp)
   };
 
   return cmocka_run_group_tests(tests, NULL, NULL);

test/src/test_tests.h

@@ -16,4 +16,7 @@ test_camera_lookat(void **state);
 void
 test_camera_decomp(void **state);
 
+void
+test_clamp(void **state);
+
 #endif /* test_tests_h */