1 files changed, 67 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webdriver/tests/bidi/integration/navigation.py b/testing/web-platform/tests/webdriver/tests/bidi/integration/navigation.py
new file mode 100644
index 0000000000..23615040c7
--- /dev/null
+++ b/testing/web-platform/tests/webdriver/tests/bidi/integration/navigation.py
@@ -0,0 +1,67 @@
+import pytest
+
+from webdriver.error import TimeoutException
+from webdriver.bidi.error import UnknownErrorException
+from webdriver.bidi.modules.script import ContextTarget
+
+
+pytestmark = pytest.mark.asyncio
+
+NAVIGATION_STARTED_EVENT = "browsingContext.navigationStarted"
+FRAGMENT_NAVIGATED_EVENT = "browsingContext.fragmentNavigated"
+BEFORE_REQUEST_SENT_EVENT = "network.beforeRequestSent"
+
+async def test_navigate_history_replacestate_beforeunload(
+    bidi_session, inline, new_tab, subscribe_events
+):
+    url = inline("""
+        <script>
+          window.addEventListener(
+            'beforeunload',
+            () => {
+              return history.replaceState(null, 'initial', window.location.href);
+            },
+            false
+          );
+        </script>""")
+
+    result = await bidi_session.browsing_context.navigate(
+        context=new_tab["context"], url=url, wait="complete"
+    )
+
+    events = []
+
+    async def on_event(method, data):
+        events.append(method)
+
+    remove_navigation_started_listener = bidi_session.add_event_listener(
+        NAVIGATION_STARTED_EVENT, on_event
+    )
+
+    remove_fragment_navigated_listener = bidi_session.add_event_listener(
+        FRAGMENT_NAVIGATED_EVENT, on_event
+    )
+
+    remove_before_request_sent_listener = bidi_session.add_event_listener(
+        BEFORE_REQUEST_SENT_EVENT, on_event
+    )
+
+    await subscribe_events([NAVIGATION_STARTED_EVENT, FRAGMENT_NAVIGATED_EVENT, BEFORE_REQUEST_SENT_EVENT])
+
+    result = await bidi_session.browsing_context.navigate(
+        context=new_tab["context"], url=url, wait="interactive"
+    )
+
+    # Navigation caused by browsing_context.navigate call should happen first:
+    # https://html.spec.whatwg.org/#beginning-navigation
+    # network.beforeRequestSent should arrive before the page becomes
+    # interactive.
+    assert events == [
+        NAVIGATION_STARTED_EVENT,
+        FRAGMENT_NAVIGATED_EVENT,
+        BEFORE_REQUEST_SENT_EVENT
+    ]
+
+    remove_navigation_started_listener()
+    remove_fragment_navigated_listener()
+    remove_before_request_sent_listener()