FindGLEW: Add test

Tests/CMakeLists.txt

@@ -1445,6 +1445,10 @@ ${CMake_BINARY_DIR}/bin/cmake -DDIR=dev -P ${CMake_SOURCE_DIR}/Utilities/Release
     add_subdirectory(FindGit)
   endif()
 
+  if(CMake_TEST_FindGLEW)
+    add_subdirectory(FindGLEW)
+  endif()
+
   if(CMake_TEST_FindGSL)
     add_subdirectory(FindGSL)
   endif()

Tests/FindGLEW/CMakeLists.txt

@@ -0,0 +1,10 @@
+add_test(NAME FindGLEW.Test COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindGLEW/Test"
+  "${CMake_BINARY_DIR}/Tests/FindGLEW/Test"
+  ${build_generator_args}
+  --build-project TestFindGLEW
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )

Tests/FindGLEW/Test/CMakeLists.txt

@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.1)
+project(TestFindGLEW LANGUAGES CXX)
+include(CTest)
+
+find_package(GLEW REQUIRED)
+
+add_executable(test_glew_shared_tgt main.cpp)
+target_link_libraries(test_glew_shared_tgt GLEW::GLEW)
+add_test(NAME test_glew_shared_tgt COMMAND test_glew_shared_tgt)
+
+add_executable(test_glew_generic_tgt main.cpp)
+target_link_libraries(test_glew_generic_tgt GLEW::glew)
+add_test(NAME test_glew_generic_tgt COMMAND test_glew_generic_tgt)
+
+add_executable(test_glew_var main.cpp)
+target_include_directories(test_glew_var PRIVATE ${GLEW_INCLUDE_DIRS})
+target_link_libraries(test_glew_var PRIVATE ${GLEW_LIBRARIES})
+add_test(NAME test_glew_var COMMAND test_glew_var)

Tests/FindGLEW/Test/main.cpp

@@ -0,0 +1,8 @@
+#include <GL/glew.h>
+
+int main()
+{
+  GLenum init_return = glewInit();
+
+  return (init_return == GLEW_OK);
+}