From f2073b2277edc384659680dcddd622b7654acebf Mon Sep 17 00:00:00 2001
From: Recep Aslantas <info@recp.me>
Date: Mon, 23 Sep 2019 22:46:45 +0300
Subject: [PATCH] tests: add more tests for vec3

---
 test/src/test_vec3.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/test/src/test_vec3.h b/test/src/test_vec3.h
index 9715515..636af5f 100644
--- a/test/src/test_vec3.h
+++ b/test/src/test_vec3.h
@@ -620,6 +620,10 @@ TEST_IMPL(GLM_PREFIX, vec3_normalize) {
   ASSERT(test_eq(v1[1] * norm, v2[1]))
   ASSERT(test_eq(v1[2] * norm, v2[2]))
 
+  glm_vec3_zero(v1);
+  GLM(vec3_normalize)(v1);
+  ASSERTIFY(test_assert_vec3_eq(v1, GLM_VEC3_ZERO))
+
   TEST_SUCCESS
 }
 
@@ -645,6 +649,10 @@ TEST_IMPL(GLM_PREFIX, vec3_normalize_to) {
   ASSERT(test_eq(v1[1] * norm, v2[1]))
   ASSERT(test_eq(v1[2] * norm, v2[2]))
 
+  glm_vec3_zero(v1);
+  GLM(vec3_normalize_to)(v1, v2);
+  ASSERTIFY(test_assert_vec3_eq(v2, GLM_VEC3_ZERO))
+
   TEST_SUCCESS
 }
 
@@ -672,6 +680,10 @@ TEST_IMPL(GLM_PREFIX, normalize) {
   ASSERT(test_eq(v1[1] * norm, v2[1]))
   ASSERT(test_eq(v1[2] * norm, v2[2]))
 
+  glm_vec3_zero(v1);
+  GLM(vec3_normalize)(v1);
+  ASSERTIFY(test_assert_vec3_eq(v1, GLM_VEC3_ZERO))
+
   TEST_SUCCESS
 }
 
@@ -699,6 +711,10 @@ TEST_IMPL(GLM_PREFIX, normalize_to) {
   ASSERT(test_eq(v1[1] * norm, v2[1]))
   ASSERT(test_eq(v1[2] * norm, v2[2]))
 
+  glm_vec3_zero(v1);
+  GLM(vec3_normalize_to)(v1, v2);
+  ASSERTIFY(test_assert_vec3_eq(v2, GLM_VEC3_ZERO))
+
   TEST_SUCCESS
 }