Attempt to work around Mac g++ 4.0 bug in fswatcher unit test.

Don't define the class overriding a virtual base class method inside the test
function as g++ 4.0 under OS X 10.5 fails to compile this for some mysterious
reason.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67722 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

tests/fswatcher/fswatchertest.cpp

@@ -614,45 +614,59 @@ void FileSystemWatcherTestCase::TestEventAccess()
     tester.Run();
 }
 
+namespace
+{
+
+// We can't define this class locally inside TestNoEventsAfterRemove() for some
+// reason with g++ 4.0 under OS X 10.5, it results in the following mysterious
+// error:
+//
+// /var/tmp//ccTkNCkc.s:unknown:Non-global symbol:
+// __ZThn80_ZN25FileSystemWatcherTestCase23TestNoEventsAfterRemoveEvEN11EventTester6NotifyEv.eh
+// can't be a weak_definition
+//
+// So define this class outside the function instead.
+class NoEventsAfterRemoveEventTester : public EventHandler,
+                                       public wxTimer
+{
+public:
+    NoEventsAfterRemoveEventTester()
+    {
+        // We need to use an inactivity timer as we never get any file
+        // system events in this test, so we consider that the test is
+        // finished when this 1s timeout expires instead of, as usual,
+        // stopping after getting the file system events.
+        Start(1000, true);
+    }
+
+    virtual void GenerateEvent()
+    {
+        m_watcher->Remove(EventGenerator::GetWatchDir());
+        CPPUNIT_ASSERT(eg.CreateFile());
+    }
+
+    virtual void CheckResult()
+    {
+        CPPUNIT_ASSERT( m_events.empty() );
+    }
+
+    virtual wxFileSystemWatcherEvent ExpectedEvent()
+    {
+        CPPUNIT_FAIL( "Shouldn't be called" );
+
+        return wxFileSystemWatcherEvent(wxFSW_EVENT_ERROR);
+    }
+
+    virtual void Notify()
+    {
+        SendIdle();
+    }
+};
+
+} // anonymous namespace
+
 void FileSystemWatcherTestCase::TestNoEventsAfterRemove()
 {
-    class EventTester : public EventHandler,
-                        public wxTimer
-    {
-    public:
-        EventTester()
-        {
-            // We need to use an inactivity timer as we never get any file
-            // system events in this test, so we consider that the test is
-            // finished when this 1s timeout expires instead of, as usual,
-            // stopping after getting the file system events.
-            Start(1000, true);
-        }
-
-        virtual void GenerateEvent()
-        {
-            m_watcher->Remove(EventGenerator::GetWatchDir());
-            CPPUNIT_ASSERT(eg.CreateFile());
-        }
-
-        virtual void CheckResult()
-        {
-            CPPUNIT_ASSERT( m_events.empty() );
-        }
-
-        virtual wxFileSystemWatcherEvent ExpectedEvent()
-        {
-            CPPUNIT_FAIL( "Shouldn't be called" );
-
-            return wxFileSystemWatcherEvent(wxFSW_EVENT_ERROR);
-        }
-
-        virtual void Notify()
-        {
-            SendIdle();
-        }
-    };
-
-    EventTester tester;
+    NoEventsAfterRemoveEventTester tester;
     tester.Run();
 }