1 files changed, 159 insertions, 0 deletions
diff --git a/Tests/CMakeTests/GetPrerequisitesTest.cmake.in b/Tests/CMakeTests/GetPrerequisitesTest.cmake.in
new file mode 100644
index 000000000..daf467bcc
--- /dev/null
+++ b/Tests/CMakeTests/GetPrerequisitesTest.cmake.in
@@ -0,0 +1,159 @@
+# Test of the functions in the CMake Modules file:
+#
+include(GetPrerequisites)
+
+set(CMAKE_BUILD_TYPE "@CMAKE_BUILD_TYPE@")
+set(CMAKE_CONFIGURATION_TYPES "@CMAKE_CONFIGURATION_TYPES@")
+set(CMAKE_EXECUTABLE_SUFFIX "@CMAKE_EXECUTABLE_SUFFIX@")
+
+
+message(STATUS "=============================================================================")
+message(STATUS "CTEST_FULL_OUTPUT (Avoid ctest truncation of output)")
+message(STATUS "")
+message(STATUS "CMAKE_BUILD_TYPE='${CMAKE_BUILD_TYPE}'")
+message(STATUS "CMAKE_CONFIGURATION_TYPES='${CMAKE_CONFIGURATION_TYPES}'")
+message(STATUS "CMAKE_EXECUTABLE_SUFFIX='${CMAKE_EXECUTABLE_SUFFIX}'")
+message(STATUS "CTEST_CONFIGURATION_TYPE='${CTEST_CONFIGURATION_TYPE}'")
+message(STATUS "")
+
+
+function(stresstest_list_prerequisites file)
+  message(STATUS "=============================================================================")
+  message(STATUS "stresstest_list_prerequisites file='${file}'")
+  message(STATUS "")
+
+  get_filename_component(file_full "${file}" ABSOLUTE)
+
+  message(STATUS "list_prerequisites '${file_full}' 0 0 0")
+  list_prerequisites("${file_full}" 0 0 0)
+  message(STATUS "")
+
+  message(STATUS "list_prerequisites '${file_full}' 0 0 1")
+  list_prerequisites("${file_full}" 0 0 1)
+  message(STATUS "")
+
+  message(STATUS "list_prerequisites '${file_full}' 0 1 0")
+  list_prerequisites("${file_full}" 0 1 0)
+  message(STATUS "")
+
+  message(STATUS "list_prerequisites '${file_full}' 0 1 1")
+  list_prerequisites("${file_full}" 0 1 1)
+  message(STATUS "")
+
+  message(STATUS "list_prerequisites '${file_full}' 1 0 0")
+  list_prerequisites("${file_full}" 1 0 0)
+  message(STATUS "")
+
+  message(STATUS "list_prerequisites '${file_full}' 1 0 1")
+  list_prerequisites("${file_full}" 1 0 1)
+  message(STATUS "")
+
+  message(STATUS "list_prerequisites '${file_full}' 1 1 0")
+  list_prerequisites("${file_full}" 1 1 0)
+  message(STATUS "")
+
+  message(STATUS "list_prerequisites '${file_full}' 1 1 1")
+  list_prerequisites("${file_full}" 1 1 1)
+  message(STATUS "")
+
+  message(STATUS "=============================================================================")
+  message(STATUS "")
+endfunction(stresstest_list_prerequisites)
+
+
+function(test_cmake_executables)
+  message(STATUS "=============================================================================")
+  message(STATUS "Loop over all executable files in the same directory with CMake")
+  message(STATUS "")
+
+  get_filename_component(cmake_bin_dir "${CMAKE_COMMAND}" PATH)
+  list_prerequisites_by_glob(GLOB "${cmake_bin_dir}/*" 0 0 1)
+endfunction(test_cmake_executables)
+
+
+message(STATUS "=============================================================================")
+message(STATUS "Simplest test - list all the direct prerequisites of CMake itself")
+message(STATUS "")
+list_prerequisites("${CMAKE_COMMAND}" 0 0 1)
+message(STATUS "")
+
+message(STATUS "=============================================================================")
+string(LENGTH "$ENV{PATH}" PATH_LENGTH_BEGIN)
+message(STATUS "Begin PATH length is: ${PATH_LENGTH_BEGIN}")
+message(STATUS "")
+
+
+# Leave the code for these tests in here, but turn them off by default... they
+# take longer than they're worth during development...
+#
+set(do_testdefaults 0)
+if(do_testdefaults)
+  message(STATUS "=============================================================================")
+  message(STATUS "Test default argument values to list_prerequisites function...")
+  message(STATUS "")
+  list_prerequisites("${CMAKE_COMMAND}")
+  message(STATUS "")
+endif(do_testdefaults)
+
+
+set(do_stresstest 0)
+if(do_stresstest)
+  message(STATUS "=============================================================================")
+  message(STATUS "stresstest_list_prerequisites with CMake itself...")
+  message(STATUS "")
+  stresstest_list_prerequisites("${CMAKE_COMMAND}")
+  message(STATUS "")
+endif(do_stresstest)
+
+
+test_cmake_executables()
+
+
+message(STATUS "=============================================================================")
+message(STATUS "Test overriding 'gp_tool' with bogus value")
+message(STATUS "")
+set(gp_tool "bogus")
+list_prerequisites("${CMAKE_COMMAND}" 0 0 0)
+set(gp_tool)
+message(STATUS "")
+
+
+message(STATUS "=============================================================================")
+message(STATUS "Test overriding 'gp_tool' with value unlikely to be found")
+message(STATUS "")
+if(APPLE)
+  set(gp_tool "dumpbin")
+else()
+  set(gp_tool "otool")
+endif()
+set(gp_cmd "gp_cmd-NOTFOUND")
+list_prerequisites("${CMAKE_COMMAND}" 0 0 0)
+set(gp_cmd)
+set(gp_tool)
+message(STATUS "")
+
+
+message(STATUS "=============================================================================")
+message(STATUS "All variables: (Make sure functions/macros are not leaving stuff around...")
+message(STATUS "                Only variables predefined by CMake and defined in this")
+message(STATUS "                test script file should be listed here...)")
+message(STATUS "")
+get_cmake_property(vs VARIABLES)
+foreach(v ${vs})
+  message(STATUS "${v}='${${v}}'")
+endforeach(v)
+message(STATUS "")
+
+message(STATUS "=============================================================================")
+string(LENGTH "$ENV{PATH}" PATH_LENGTH_END)
+message(STATUS "Final PATH length is: ${PATH_LENGTH_END}")
+
+if(PATH_LENGTH_END GREATER ${PATH_LENGTH_BEGIN})
+    message(FATAL_ERROR "list_prerequisties is endlessly appending the path of gp_tool to the PATH.")
+endif()
+message(STATUS "")
+
+
+message(STATUS "=============================================================================")
+message(STATUS "End of test")
+message(STATUS "")