DOM-object leak detection at run_webkit_tests.py

Tools/Scripts/webkitpy/layout_tests/port/driver_unittest.py

Index: Tools/Scripts/webkitpy/layout_tests/port/driver_unittest.py
diff --git a/Tools/Scripts/webkitpy/layout_tests/port/driver_unittest.py b/Tools/Scripts/webkitpy/layout_tests/port/driver_unittest.py
index 9dd5b255e122e136e4003699c33eccb70175be79..16f8aba359fd9dd661605da0d3a7213ad87cb5e5 100644
--- a/Tools/Scripts/webkitpy/layout_tests/port/driver_unittest.py
+++ b/Tools/Scripts/webkitpy/layout_tests/port/driver_unittest.py
@@ -150,11 +150,12 @@ class DriverTest(unittest.TestCase):
             def stop(self, timeout=0.0):
                 pass
 
-        def assert_crash(driver, error_line, crashed, name, pid, unresponsive=False):
+        def assert_crash(driver, error_line, crashed, name, pid, unresponsive=False, leaked=False):
             self.assertEqual(driver._check_for_driver_crash(error_line), crashed)
             self.assertEqual(driver._crashed_process_name, name)
             self.assertEqual(driver._crashed_pid, pid)
             self.assertEqual(driver._subprocess_was_unresponsive, unresponsive)
+            self.assertEqual(driver._leaked, leaked)
             driver.stop()
 
         driver._server_process = FakeServerProcess(False)
@@ -196,6 +197,12 @@ class DriverTest(unittest.TestCase):
         driver._subprocess_was_unresponsive = False
         assert_crash(driver, '', True, 'FakeServerProcess', 1234)
 
+        driver._crashed_process_name = None
+        driver._crashed_pid = None
+        driver._server_process = FakeServerProcess(False)
+        driver._subprocess_was_unresponsive = False
+        assert_crash(driver, '#LEAK - renderer pid 8675 ({"numberOfLiveDocuments":[2,3]})\n', True, 'renderer', 8675, False, True)
+
     def test_creating_a_port_does_not_write_to_the_filesystem(self):
         port = TestWebKitPort()
         driver = Driver(port, 0, pixel_tests=True)