Allow clients to un-suppress output from gUnit EXPECT_EXIT tests.

This is useful for running individual tests in a separate process, which is
useful for testing e.g. flag changes which have a process-global effect.

PiperOrigin-RevId: 540580573
Change-Id: I18a5d24d79425a9d595be3369efc44e2f655f6f8

googletest/include/gtest/gtest.h

@@ -1055,6 +1055,10 @@ class GTEST_API_ TestEventListeners {
     return default_xml_generator_;
   }
 
+  // Controls whether events will be forwarded by the repeater to the
+  // listeners in the list.
+  void SuppressEventForwarding(bool);
+
  private:
   friend class TestSuite;
   friend class TestInfo;
@@ -1084,7 +1088,6 @@ class GTEST_API_ TestEventListeners {
   // Controls whether events will be forwarded by the repeater to the
   // listeners in the list.
   bool EventForwardingEnabled() const;
-  void SuppressEventForwarding();
 
   // The actual list of listeners.
   internal::TestEventRepeater* repeater_;

googletest/src/gtest-death-test.cc

@@ -1128,7 +1128,7 @@ DeathTest::TestRole NoExecDeathTest::AssumeRole() {
     LogToStderr();
     // Event forwarding to the listeners of event listener API mush be shut
     // down in death test subprocesses.
-    GetUnitTestImpl()->listeners()->SuppressEventForwarding();
+    GetUnitTestImpl()->listeners()->SuppressEventForwarding(true);
     g_in_fast_death_test_child = true;
     return EXECUTE_TEST;
   } else {

googletest/src/gtest.cc

@@ -5156,8 +5156,8 @@ bool TestEventListeners::EventForwardingEnabled() const {
   return repeater_->forwarding_enabled();
 }
 
-void TestEventListeners::SuppressEventForwarding() {
-  repeater_->set_forwarding_enabled(false);
+void TestEventListeners::SuppressEventForwarding(bool suppress) {
+  repeater_->set_forwarding_enabled(!suppress);
 }
 
 // class UnitTest
@@ -5635,7 +5635,7 @@ void UnitTestImpl::RecordProperty(const TestProperty& test_property) {
 // subprocess. Must not be called before InitGoogleTest.
 void UnitTestImpl::SuppressTestEventsIfInSubprocess() {
   if (internal_run_death_test_flag_ != nullptr)
-    listeners()->SuppressEventForwarding();
+    listeners()->SuppressEventForwarding(true);
 }
 #endif  // GTEST_HAS_DEATH_TEST
 

googletest/test/gtest_unittest.cc

@@ -173,7 +173,7 @@ class TestEventListenersAccessor {
   }
 
   static void SuppressEventForwarding(TestEventListeners* listeners) {
-    listeners->SuppressEventForwarding();
+    listeners->SuppressEventForwarding(true);
   }
 };