1 files changed, 14 insertions, 0 deletions
diff --git a/Tests/Visibility/verify.cmake b/Tests/Visibility/verify.cmake
new file mode 100644
index 0000000..3b2028c
--- /dev/null
+++ b/Tests/Visibility/verify.cmake
@@ -0,0 +1,14 @@
+execute_process(COMMAND ${CMAKE_NM} -D ${TEST_LIBRARY_PATH}
+  RESULT_VARIABLE RESULT
+  OUTPUT_VARIABLE OUTPUT
+  ERROR_VARIABLE ERROR
+)
+
+if(NOT "${RESULT}" STREQUAL "0")
+  message(FATAL_ERROR "nm failed [${RESULT}] [${OUTPUT}] [${ERROR}]")
+endif()
+
+if(${OUTPUT} MATCHES "(Foo[^\\n]*bar|hidden_function)")
+  message(FATAL_ERROR
+    "Found ${CMAKE_MATCH_1} which should have been hidden [${OUTPUT}]")
+endif()