1 files changed, 57 insertions, 0 deletions
diff --git a/testing/marionette/harness/marionette_harness/tests/unit/test_switch_frame_chrome.py b/testing/marionette/harness/marionette_harness/tests/unit/test_switch_frame_chrome.py
new file mode 100644
index 0000000000..369ea0c061
--- /dev/null
+++ b/testing/marionette/harness/marionette_harness/tests/unit/test_switch_frame_chrome.py
@@ -0,0 +1,57 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+from marionette_driver import By
+from marionette_driver.errors import JavascriptException
+
+from marionette_harness import MarionetteTestCase, WindowManagerMixin
+
+
+class TestSwitchFrameChrome(WindowManagerMixin, MarionetteTestCase):
+    def setUp(self):
+        super(TestSwitchFrameChrome, self).setUp()
+        self.marionette.set_context("chrome")
+
+        new_window = self.open_chrome_window(
+            "chrome://remote/content/marionette/test.xhtml"
+        )
+        self.marionette.switch_to_window(new_window)
+        self.assertNotEqual(
+            self.start_window, self.marionette.current_chrome_window_handle
+        )
+
+    def tearDown(self):
+        self.close_all_windows()
+        super(TestSwitchFrameChrome, self).tearDown()
+
+    def test_switch_simple(self):
+        self.assertIn(
+            "test.xhtml", self.marionette.get_url(), "Initial navigation has failed"
+        )
+        self.marionette.switch_to_frame(0)
+        self.assertIn(
+            "test.xhtml", self.marionette.get_url(), "Switching by index failed"
+        )
+        self.marionette.find_element(By.ID, "testBox")
+        self.marionette.switch_to_frame()
+        self.assertIn(
+            "test.xhtml", self.marionette.get_url(), "Switching by null failed"
+        )
+        iframe = self.marionette.find_element(By.ID, "iframe")
+        self.marionette.switch_to_frame(iframe)
+        self.assertIn(
+            "test.xhtml", self.marionette.get_url(), "Switching by element failed"
+        )
+        self.marionette.find_element(By.ID, "testBox")
+
+    def test_stack_trace(self):
+        self.assertIn(
+            "test.xhtml", self.marionette.get_url(), "Initial navigation has failed"
+        )
+        self.marionette.switch_to_frame(0)
+        self.marionette.find_element(By.ID, "testBox")
+        try:
+            self.marionette.execute_async_script("foo();")
+        except JavascriptException as e:
+            self.assertIn("foo", str(e))