1 files changed, 35 insertions, 0 deletions
diff --git a/tests/wpt/web-platform-tests/websockets/back-forward-cache-with-open-websocket-connection-ccns.tentative.window.js b/tests/wpt/web-platform-tests/websockets/back-forward-cache-with-open-websocket-connection-ccns.tentative.window.js
new file mode 100644
index 00000000000..563fd4792ef
--- /dev/null
+++ b/tests/wpt/web-platform-tests/websockets/back-forward-cache-with-open-websocket-connection-ccns.tentative.window.js
@@ -0,0 +1,35 @@
+// META: title=Testing BFCache support for page with open WebSocket connection and "Cache-Control: no-store" header.
+// META: script=/common/dispatcher/dispatcher.js
+// META: script=/common/utils.js
+// META: script=/html/browsers/browsing-the-web/back-forward-cache/resources/rc-helper.js
+// META: script=/html/browsers/browsing-the-web/remote-context-helper/resources/remote-context-helper.js
+// META: script=/websockets/constants.sub.js
+// META: script=resources/websockets-test-helpers.sub.js
+
+'use strict';
+
+promise_test(async t => {
+  const rcHelper = new RemoteContextHelper();
+
+  // Open a window with noopener so that BFCache will work.
+  const rc1 = await rcHelper.addWindow(
+      /*config=*/ { headers: [['Cache-Control', 'no-store']] },
+      /*options=*/ { features: 'noopener' }
+  );
+  // Make sure that we only run the remaining of the test when page with
+  // "Cache-Control: no-store" header is eligible for BFCache.
+  await assertBFCacheEligibility(rc1, /*shouldRestoreFromBFCache=*/ true);
+
+  await openWebSocket(rc1);
+  // The page should not be eligible for BFCache because of the usage
+  // of WebSocket.
+  await assertBFCacheEligibility(rc1, /*shouldRestoreFromBFCache=*/ false);
+  // The `BrowsingInstanceNotSwapped` reason will be added because of the
+  // sticky feature, and it will be reported as "Internal error".
+  await assertNotRestoredFromBFCache(rc1, [
+    'WebSocket',
+    'WebSocketSticky',
+    'MainResourceHasCacheControlNoStore',
+    'Internal error'
+  ]);
+});