Move the selection of the flag saver implementation into gtest-port.h and

custom/gtest-port.h.

include/gtest/gtest.h

@@ -452,8 +452,7 @@ class GTEST_API_ Test {
   // internal method to avoid clashing with names used in user TESTs.
   void DeleteSelf_() { delete this; }
 
-  // Uses a GTestFlagSaver to save and restore all Google Test flags.
-  const internal::GTestFlagSaver* const gtest_flag_saver_;
+  const internal::scoped_ptr< GTEST_FLAG_SAVER_ > gtest_flag_saver_;
 
   // Often a user misspells SetUp() as Setup() and spends a long time
   // wondering why it is never called by Google Test.  The declaration of

include/gtest/internal/gtest-port.h

@@ -2418,6 +2418,8 @@ typedef TypeWithSize<8>::Int TimeInMillis;  // Represents time in milliseconds.
 #endif  // !defined(GTEST_FLAG)
 
 #if !defined(GTEST_DECLARE_bool_)
+# define GTEST_FLAG_SAVER_ ::testing::internal::GTestFlagSaver
+
 // Macros for declaring flags.
 # define GTEST_DECLARE_bool_(name) GTEST_API_ extern bool GTEST_FLAG(name)
 # define GTEST_DECLARE_int32_(name) \

src/gtest.cc

@@ -2179,14 +2179,15 @@ int TestResult::test_property_count() const {
 
 // Creates a Test object.
 
-// The c'tor saves the values of all Google Test flags.
+// The c'tor saves the states of all flags.
 Test::Test()
-    : gtest_flag_saver_(new internal::GTestFlagSaver) {
+    : gtest_flag_saver_(new GTEST_FLAG_SAVER_) {
 }
 
-// The d'tor restores the values of all Google Test flags.
+// The d'tor restores the states of all flags.  The actual work is
+// done by the d'tor of the gtest_flag_saver_ field, and thus not
+// visible here.
 Test::~Test() {
-  delete gtest_flag_saver_;
 }
 
 // Sets up the test fixture.