1 files changed, 18 insertions, 0 deletions
diff --git a/Tests/CMakeCommands/target_compile_definitions/consumer.cpp b/Tests/CMakeCommands/target_compile_definitions/consumer.cpp
index a391114..778f57e 100644
--- a/Tests/CMakeCommands/target_compile_definitions/consumer.cpp
+++ b/Tests/CMakeCommands/target_compile_definitions/consumer.cpp
@@ -15,4 +15,22 @@
 #error Expected DASH_D_DEFINE
 #endif
 
+#ifdef TEST_LANG_DEFINES
+  #ifndef CONSUMER_LANG_CXX
+  #error Expected CONSUMER_LANG_CXX
+  #endif
+
+  #ifdef CONSUMER_LANG_C
+  #error Unexpected CONSUMER_LANG_C
+  #endif
+
+  #if !LANG_IS_CXX
+  #error Expected LANG_IS_CXX
+  #endif
+
+  #if LANG_IS_C
+  #error Unexpected LANG_IS_C
+  #endif
+#endif
+
 int main() { return 0; }