1 files changed, 20 insertions, 0 deletions
diff --git a/Tests/FindVulkan/Test/Run-glslc.cmake b/Tests/FindVulkan/Test/Run-glslc.cmake
new file mode 100644
index 0000000..086eb9d
--- /dev/null
+++ b/Tests/FindVulkan/Test/Run-glslc.cmake
@@ -0,0 +1,20 @@
+cmake_minimum_required(VERSION 3.12)
+
+function(run_glslc exe exe_display)
+  execute_process(COMMAND ${exe} --help
+    OUTPUT_VARIABLE output
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    RESULT_VARIABLE result
+    )
+
+  if(NOT result EQUAL 0)
+    message(SEND_ERROR "Result of ${exe_display} --help is ${result}, should be 0")
+  endif()
+
+  if(NOT output MATCHES "^glslc - Compile shaders into SPIR-V")
+    message(SEND_ERROR "Output of ${exe_display} --help is \"${output}\", should begin with \"glslc - Compile shaders into SPIR-V\"")
+  endif()
+endfunction()
+
+run_glslc("${VULKAN_GLSLC_EXECUTABLE}" "\${VULKAN_GLSLC_EXECUTABLE}")
+run_glslc("${VULKAN_GLSLC_EXECUTABLE_TARGET}" "Vulkan::glslc")