1 files changed, 48 insertions, 0 deletions
diff --git a/testing/web-platform/tests/web-locks/bfcache/release.tentative.https.html b/testing/web-platform/tests/web-locks/bfcache/release.tentative.https.html
new file mode 100644
index 0000000000..97f542fc2e
--- /dev/null
+++ b/testing/web-platform/tests/web-locks/bfcache/release.tentative.https.html
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<meta name="timeout" content="long">
+<title>Web Locks API: bfcache</title>
+<link rel=help href="https://w3c.github.io/web-locks/">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/utils.js"></script>
+<script src="/common/dispatcher/dispatcher.js"></script>
+<script src="/html/browsers/browsing-the-web/back-forward-cache/resources/helper.sub.js"></script>
+<script type="module">
+  import { runWebLocksBfcacheTest } from "./helpers.js";
+
+  runWebLocksBfcacheTest({
+    funcBeforeNavigation: async () => {
+      await navigator.locks.request(uniqueNameByQuery(), () => { });
+    },
+    shouldBeCached: true,
+  }, "A released lock on the main thread should not prevent bfcache");
+
+  runWebLocksBfcacheTest({
+    funcBeforeNavigation: async () => {
+      window.worker = new Worker("/web-locks/resources/worker.js");
+      const { lock_id } = await postToWorkerAndWait(worker, { op: "request", name: uniqueNameByQuery() });
+      await postToWorkerAndWait(worker, { op: "release", lock_id });
+    },
+    shouldBeCached: true,
+  }, "A released lock on a worker should not prevent bfcache");
+
+  runWebLocksBfcacheTest({
+    funcBeforeNavigation: async () => {
+      window.worker = new Worker("/web-locks/resources/parentworker.js");
+      const { lock_id } = await postToWorkerAndWait(worker, { op: "request", name: uniqueNameByQuery() });
+      await postToWorkerAndWait(worker, { op: "release", lock_id });
+    },
+    shouldBeCached: true,
+  }, "A released lock on a nested worker should not prevent bfcache");
+
+  runWebLocksBfcacheTest({
+    funcBeforeNavigation: async () => {
+      window.worker = new SharedWorker("/web-locks/resources/worker.js");
+      worker.port.start();
+      const { lock_id } = await postToWorkerAndWait(worker.port, { op: "request", name: uniqueNameByQuery() });
+      await postToWorkerAndWait(worker.port, { op: "release", lock_id });
+    },
+    shouldBeCached: true,
+  }, "A released lock on a shared worker should not prevent bfcache");
+</script>