GoogleTest: Add test for spaces in WORKING_DIRECTORY

Tests/RunCMake/GoogleTest/RunCMakeTest.cmake

@@ -401,3 +401,30 @@ if(RunCMake_GENERATOR_IS_MULTI_CONFIG)
   message(STATUS "Testing PRE_TEST discovery multi configuration...")
   run_GoogleTest_discovery_multi_config()
 endif()
+
+block(SCOPE_FOR VARIABLES)
+  # Use a single build tree for a few tests without cleaning.
+  set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/WorkDirWithSpaces-build)
+  set(RunCMake_TEST_NO_CLEAN 1)
+  if(NOT RunCMake_GENERATOR_IS_MULTI_CONFIG)
+    set(RunCMake_TEST_OPTIONS -DCMAKE_BUILD_TYPE=Debug)
+  endif()
+  file(REMOVE_RECURSE "${RunCMake_TEST_BINARY_DIR}")
+  file(MAKE_DIRECTORY "${RunCMake_TEST_BINARY_DIR}")
+
+  run_cmake(WorkDirWithSpaces)
+
+  run_cmake_command(WorkDirWithSpaces-build
+    ${CMAKE_COMMAND}
+    --build .
+    --config Debug
+    --target test_workdir
+  )
+
+  run_cmake_command(WorkDirWithSpaces-test
+    ${CMAKE_CTEST_COMMAND}
+    -C Debug
+    --no-label-summary
+    --output-on-failure
+  )
+endblock()

Tests/RunCMake/GoogleTest/WorkDirWithSpaces-test-stdout.txt

@@ -0,0 +1,5 @@
+    Start 1: WorkDirWithSpaces\.test1_discovered
+.*    Start 2: WorkDirWithSpaces\.test2_discovered
+.*    Start 3: WorkDirWithSpaces\.test1
+.*    Start 4: WorkDirWithSpaces\.test2
+.*0 tests failed out of 4

Tests/RunCMake/GoogleTest/WorkDirWithSpaces.cmake

@@ -0,0 +1,29 @@
+enable_language(CXX)
+include(GoogleTest)
+
+enable_testing()
+
+include(xcode_sign_adhoc.cmake)
+
+add_executable(test_workdir test_workdir.cpp)
+xcode_sign_adhoc(test_workdir)
+
+set(workdir "${CMAKE_CURRENT_BINARY_DIR}/with spaces")
+file(WRITE ${workdir}/test_list_output.txt [=[
+WorkDirWithSpaces.
+  test1
+  test2
+]=])
+file(WRITE ${workdir}/test_output.txt [=[
+Some output text for the test.
+]=])
+
+gtest_add_tests(
+  TARGET test_workdir
+  WORKING_DIRECTORY "${workdir}"
+)
+gtest_discover_tests(
+  test_workdir
+  TEST_SUFFIX _discovered
+  WORKING_DIRECTORY "${workdir}"
+)

Tests/RunCMake/GoogleTest/test_workdir.cpp

@@ -0,0 +1,40 @@
+#include <fstream>
+#include <iostream>
+#include <string>
+
+/* Having this as a comment lets gtest_add_tests() recognize the tests we fake
+   here without requiring googletest
+TEST_F( WorkDirWithSpaces, test1 )
+{
+}
+TEST_F( WorkDirWithSpaces, test2 )
+{
+}
+*/
+
+int main(int argc, char** argv)
+{
+  // Fake gtest behavior so we don't actually require gtest.
+  // Both listing tests and test execution try to read a file from
+  // the current directory. If we are not handling spaces in the
+  // working directory correctly, the files we expect won't exist.
+
+  if (argc > 1 && std::string(argv[1]) == "--gtest_list_tests") {
+    std::ifstream inFile("test_list_output.txt");
+    if (!inFile) {
+      std::cout << "ERROR: Failed to open test_list_output.txt" << std::endl;
+      return 1;
+    }
+    std::cout << inFile.rdbuf();
+    return 0;
+  }
+
+  std::ifstream inFile("test_output.txt");
+  if (!inFile) {
+    std::cout << "ERROR: Failed to open test_output.txt" << std::endl;
+    return 1;
+  }
+  std::cout << "Test output read from file to follow:" << std::endl;
+  std::cout << inFile.rdbuf();
+  return 0;
+}