From 83602bdea467b355bc2a32ab36ea8b6c228e05a0 Mon Sep 17 00:00:00 2001
From: Christophe Riccio <christophe.riccio@unity3d.com>
Date: Sun, 4 Jun 2017 10:50:47 +0200
Subject: [PATCH] - Fixed GLM_FORCE_SIZE_T_LENGTH and add test coverage #624

---
 test/core/CMakeLists.txt                     |  1 +
 test/core/core_setup_force_size_t_length.cpp | 22 ++++++++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 test/core/core_setup_force_size_t_length.cpp

diff --git a/test/core/CMakeLists.txt b/test/core/CMakeLists.txt
index 7c1627bf..eace0aba 100644
--- a/test/core/CMakeLists.txt
+++ b/test/core/CMakeLists.txt
@@ -33,6 +33,7 @@ glmCreateTestGTC(core_func_trigonometric)
 glmCreateTestGTC(core_func_vector_relational)
 glmCreateTestGTC(core_func_swizzle)
 glmCreateTestGTC(core_setup_force_cxx98)
+glmCreateTestGTC(core_setup_force_size_t_length)
 glmCreateTestGTC(core_setup_message)
 glmCreateTestGTC(core_setup_precision)
 
diff --git a/test/core/core_setup_force_size_t_length.cpp b/test/core/core_setup_force_size_t_length.cpp
new file mode 100644
index 00000000..36010e31
--- /dev/null
+++ b/test/core/core_setup_force_size_t_length.cpp
@@ -0,0 +1,22 @@
+#define GLM_FORCE_SIZE_T_LENGTH
+#include <glm/glm.hpp>
+#include <glm/ext.hpp>
+
+template <typename genType>
+genType add(genType const& a, genType const& b)
+{
+	genType result(0);
+	for(glm::length_t i = 0; i < a.length(); ++i)
+		result[i] = a[i] + b[i];
+	return result;
+}
+
+int main()
+{
+	int Error = 0;
+
+	glm::ivec4 v(1);
+	Error += add(v, v) == glm::ivec4(2) ? 0 : 1;
+
+	return Error;
+}