Tests: Add case covering FindGLUT variables and imported targets

Signed-off-by: Christopher Degawa <[email protected]>

.gitlab/ci/configure_debian10_aarch64_ninja.cmake

@@ -16,6 +16,7 @@ set(CMake_TEST_FindGDAL "ON" CACHE BOOL "")
 set(CMake_TEST_FindGIF "ON" CACHE BOOL "")
 set(CMake_TEST_FindGit "ON" CACHE BOOL "")
 set(CMake_TEST_FindGLEW "ON" CACHE BOOL "")
+set(CMake_TEST_FindGLUT "ON" CACHE BOOL "")
 set(CMake_TEST_FindGnuTLS "ON" CACHE BOOL "")
 set(CMake_TEST_FindGSL "ON" CACHE BOOL "")
 set(CMake_TEST_FindGTest "ON" CACHE BOOL "")

.gitlab/ci/configure_debian10_ninja.cmake

@@ -16,6 +16,7 @@ set(CMake_TEST_FindGDAL "ON" CACHE BOOL "")
 set(CMake_TEST_FindGIF "ON" CACHE BOOL "")
 set(CMake_TEST_FindGit "ON" CACHE BOOL "")
 set(CMake_TEST_FindGLEW "ON" CACHE BOOL "")
+set(CMake_TEST_FindGLUT "ON" CACHE BOOL "")
 set(CMake_TEST_FindGnuTLS "ON" CACHE BOOL "")
 set(CMake_TEST_FindGSL "ON" CACHE BOOL "")
 set(CMake_TEST_FindGTest "ON" CACHE BOOL "")

.gitlab/ci/configure_fedora34_makefiles.cmake

@@ -16,6 +16,7 @@ set(CMake_TEST_FindGDAL "ON" CACHE BOOL "")
 set(CMake_TEST_FindGIF "ON" CACHE BOOL "")
 set(CMake_TEST_FindGit "ON" CACHE BOOL "")
 set(CMake_TEST_FindGLEW "ON" CACHE BOOL "")
+set(CMake_TEST_FindGLUT "ON" CACHE BOOL "")
 set(CMake_TEST_FindGnuTLS "ON" CACHE BOOL "")
 set(CMake_TEST_FindGSL "ON" CACHE BOOL "")
 set(CMake_TEST_FindGTest "ON" CACHE BOOL "")

Tests/CMakeLists.txt

@@ -1442,6 +1442,7 @@ if(BUILD_TESTING)
             GIF
             Git
             GLEW
+            GLUT
             GnuTLS
             GSL
             GTK2

Tests/FindGLUT/CMakeLists.txt

@@ -0,0 +1,9 @@
+add_test(NAME FindGLUT.Test COMMAND ${CMAKE_CTEST_COMMAND}
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindGLUT/Test"
+  "${CMake_BINARY_DIR}/Tests/FindGLUT/Test"
+  ${build_generator_args}
+  --build-project TestFindGLUT
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V
+  )

Tests/FindGLUT/Test/CMakeLists.txt

@@ -0,0 +1,17 @@
+cmake_minimum_required(VERSION 3.21)
+project(TestFindGLUT C)
+include(CTest)
+
+find_package(GLUT REQUIRED)
+
+add_executable(testglut_tgt main.c)
+target_link_libraries(testglut_tgt GLUT::GLUT)
+add_test(NAME testglut_tgt COMMAND testglut_tgt)
+
+add_executable(testglut_var main.c)
+target_include_directories(testglut_var PRIVATE ${GLUT_INCLUDE_DIRS})
+target_link_libraries(testglut_var PRIVATE ${GLUT_LIBRARIES})
+add_test(NAME testglut_var COMMAND testglut_var)
+
+set_tests_properties(testglut_tgt testglut_var
+    PROPERTIES WILL_FAIL true)

Tests/FindGLUT/Test/main.c

@@ -0,0 +1,11 @@
+#include <GL/glut.h>
+#include <stdio.h>
+
+int main()
+{
+  /* The following should call exit(1) and print
+      freeglut  ERROR:  Function <glutCreateWindow> called
+      without first calling 'glutInit'.
+    to stderr */
+  glutCreateWindow("gluttest");
+}