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-rw-r--r--dom/locks/test/file_strongworker.js5
-rw-r--r--dom/locks/test/mochitest.ini8
-rw-r--r--dom/locks/test/test_strongworker.html44
3 files changed, 57 insertions, 0 deletions
diff --git a/dom/locks/test/file_strongworker.js b/dom/locks/test/file_strongworker.js
new file mode 100644
index 0000000000..36871ad31a
--- /dev/null
+++ b/dom/locks/test/file_strongworker.js
@@ -0,0 +1,5 @@
+navigator.locks.request("exclusive", () => {
+ const channel = new BroadcastChannel("strongworker");
+ channel.postMessage("lock acquired");
+});
+postMessage("onload");
diff --git a/dom/locks/test/mochitest.ini b/dom/locks/test/mochitest.ini
new file mode 100644
index 0000000000..48a8d7df1d
--- /dev/null
+++ b/dom/locks/test/mochitest.ini
@@ -0,0 +1,8 @@
+[DEFAULT]
+scheme = https
+prefs =
+ dom.weblocks.enabled=true
+
+[test_strongworker.html]
+support-files =
+ file_strongworker.js
diff --git a/dom/locks/test/test_strongworker.html b/dom/locks/test/test_strongworker.html
new file mode 100644
index 0000000000..9c6905919c
--- /dev/null
+++ b/dom/locks/test/test_strongworker.html
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
+
+<script>
+ SimpleTest.waitForExplicitFinish();
+
+ async function run() {
+ // Bug 1746646: Make mochitests work with TCP enabled (cookieBehavior = 5)
+ // Acquire storage access permission here so that the BroadcastChannel used to
+ // communicate with the opened windows works in xorigin tests. Otherwise,
+ // the iframe containing this page is isolated from first-party storage access,
+ // which isolates BroadcastChannel communication.
+ if (isXOrigin) {
+ SpecialPowers.wrap(document).notifyUserGestureActivation();
+ await SpecialPowers.addPermission(
+ "storageAccessAPI",
+ true,
+ window.location.href
+ );
+ await SpecialPowers.wrap(document).requestStorageAccess();
+ }
+ const channel = new BroadcastChannel("strongworker");
+ await navigator.locks.request("exclusive", async () => {
+ await new Promise(resolve => {
+ let worker = new Worker("./file_strongworker.js");
+ worker.onmessage = resolve; // onload
+ });
+ const query = await navigator.locks.query();
+ is(query.pending.length, 1, "Pending request exists");
+
+ // Garbage collect the worker
+ SpecialPowers.DOMWindowUtils.garbageCollect();
+ });
+
+ channel.onmessage = async event => {
+ const query = await navigator.locks.query();
+ is(query.pending.length, 0, "No pending request");
+ SimpleTest.finish();
+ };
+ }
+ run();
+</script>