Provide a gtestWrapper header to skip useless warnings

unitTests/CMakeLists.txt

@@ -1,5 +1,6 @@
 add_executable(unit_tests mainTestRunner.cpp
     test_types.cpp
+    gtestwrapper.h
 )
 
 #TODO Use GTest::GTest once we upgrade the minimum CMake version required

unitTests/gtestwrapper.h

@@ -0,0 +1,14 @@
+#ifndef GTESTWRAPPER_H_
+#define GTESTWRAPPER_H_
+
+#ifdef _MSC_VER
+        #pragma warning(push)
+        #pragma warning(disable : 4251)
+        #pragma warning(disable : 4275)
+#endif
+#include <gtest/gtest.h>
+#ifdef _MSC_VER
+        #pragma warning(pop)
+#endif
+
+#endif // #ifndef GTESTWRAPPER_H_

unitTests/mainTestRunner.cpp

@@ -1,4 +1,4 @@
-#include <gtest/gtest.h>
+#include "gtestwrapper.h"
 
 #include <iostream>
 

unitTests/test_types.cpp

@@ -1,6 +1,7 @@
-#include <gtest/gtest.h>
 #include <exiv2/types.hpp>
 
+#include "gtestwrapper.h"
+
 using namespace Exiv2;
 
 // More info about tm : http://www.cplusplus.com/reference/ctime/tm/