3 files changed, 34 insertions, 9 deletions
diff --git a/Tests/CompileFeatures/CMakeLists.txt b/Tests/CompileFeatures/CMakeLists.txt
index 4a5558d..b560acd 100644
--- a/Tests/CompileFeatures/CMakeLists.txt
+++ b/Tests/CompileFeatures/CMakeLists.txt
@@ -428,6 +428,14 @@ else()
     HAVE_FINAL=$<COMPILE_FEATURES:cxx_final>
     HAVE_INHERITING_CONSTRUCTORS_AND_FINAL=$<COMPILE_FEATURES:cxx_inheriting_constructors,cxx_final>
   )
+  if (CMAKE_CXX_STANDARD_DEFAULT)
+    target_compile_definitions(CompileFeaturesGenex PRIVATE
+      TEST_CXX_STD
+      HAVE_CXX_STD_11=$<COMPILE_FEATURES:cxx_std_11>
+      HAVE_CXX_STD_14=$<COMPILE_FEATURES:cxx_std_14>
+      HAVE_CXX_STD_17=$<COMPILE_FEATURES:cxx_std_17>
+    )
+  endif()
 
   add_executable(CompileFeaturesGenex2 genex_test.cpp)
   target_compile_features(CompileFeaturesGenex2 PRIVATE cxx_std_11)
diff --git a/Tests/CompileFeatures/default_dialect.cpp b/Tests/CompileFeatures/default_dialect.cpp
index 9b65b42..0de1125 100644
--- a/Tests/CompileFeatures/default_dialect.cpp
+++ b/Tests/CompileFeatures/default_dialect.cpp
@@ -2,25 +2,30 @@
 template <long l>
 struct Outputter;
 
+#if defined(_MSC_VER) && defined(_MSVC_LANG)
+#define CXX_STD _MSVC_LANG
+#else
+#define CXX_STD __cplusplus
+#endif
+
 #if DEFAULT_CXX17
-#if __cplusplus <= 201402L
-Outputter<__cplusplus> o;
+#if CXX_STD <= 201402L
+Outputter<CXX_STD> o;
 #endif
 #elif DEFAULT_CXX14
-#if __cplusplus != 201402L
-Outputter<__cplusplus> o;
+#if CXX_STD != 201402L
+Outputter<CXX_STD> o;
 #endif
 #elif DEFAULT_CXX11
-#if __cplusplus != 201103L
-Outputter<__cplusplus> o;
+#if CXX_STD != 201103L
+Outputter<CXX_STD> o;
 #endif
 #else
 #if !DEFAULT_CXX98
 #error Buildsystem error
 #endif
-#if __cplusplus != 199711L && __cplusplus != 1 &&                             \
-  !defined(__GXX_EXPERIMENTAL_CXX0X__)
-Outputter<__cplusplus> o;
+#if CXX_STD != 199711L && CXX_STD != 1 && !defined(__GXX_EXPERIMENTAL_CXX0X__)
+Outputter<CXX_STD> o;
 #endif
 #endif
 
diff --git a/Tests/CompileFeatures/genex_test.cpp b/Tests/CompileFeatures/genex_test.cpp
index 5ae8a78..5303e73 100644
--- a/Tests/CompileFeatures/genex_test.cpp
+++ b/Tests/CompileFeatures/genex_test.cpp
@@ -11,6 +11,18 @@
 #error EXPECT_OVERRIDE_CONTROL not defined
 #endif
 
+#ifdef TEST_CXX_STD
+#if !HAVE_CXX_STD_11
+#error HAVE_CXX_STD_11 is false with CXX_STANDARD == 11
+#endif
+#if HAVE_CXX_STD_14
+#error HAVE_CXX_STD_14 is true with CXX_STANDARD == 11
+#endif
+#if HAVE_CXX_STD_17
+#error HAVE_CXX_STD_17 is true with CXX_STANDARD == 11
+#endif
+#endif
+
 #if !HAVE_OVERRIDE_CONTROL
 #if EXPECT_OVERRIDE_CONTROL
 #error "Expect override control feature"