1 files changed, 21 insertions, 0 deletions
diff --git a/testing/web-platform/tests/permissions-policy/experimental-features/unload-disallowed.tentative.window.js b/testing/web-platform/tests/permissions-policy/experimental-features/unload-disallowed.tentative.window.js
new file mode 100644
index 0000000000..c93443c101
--- /dev/null
+++ b/testing/web-platform/tests/permissions-policy/experimental-features/unload-disallowed.tentative.window.js
@@ -0,0 +1,21 @@
+// META: title='unload' Policy : disallowed when header is ()
+// META: script=/common/dispatcher/dispatcher.js
+// META: script=/common/utils.js
+// META: script=/html/browsers/browsing-the-web/remote-context-helper/resources/remote-context-helper.js
+// META: script=./resources/unload-helper.js
+// META: timeout=long
+
+'use strict';
+
+// Check that unload can be disabled by policy in main frame and subframe.
+promise_test(async t => {
+  const rcHelper =
+      new RemoteContextHelper({scripts: ['./resources/unload-helper.js']});
+  // In the same browsing context group to ensure BFCache is not used.
+  const main = await rcHelper.addWindow(
+      {headers: [['Permissions-Policy', 'unload=()']]},
+  );
+  const subframe = await main.addIframe();
+  await assertWindowRunsUnload(subframe, 'subframe', {shouldRunUnload: false});
+  await assertWindowRunsUnload(main, 'main', {shouldRunUnload: false});
+});