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Test Info: Warnings
- This test has a WPT meta file that expects 2 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /navigation-api/precommit-handler/precommitHandler-addHandler-throws.html - WPT Dashboard Interop Dashboard
<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
promise_test(async t => {
let precommit_controller;
navigation.onnavigate = t.step_func(e => {
e.intercept({ precommitHandler: async controller => precommit_controller = controller });
});
await navigation.navigate("#").finished;
assert_throws_dom("InvalidStateError", () => precommit_controller.addHandler(() => {}));
}, "addHandler() after finish");
promise_test(async t => {
let precommit_controller;
navigation.onnavigate = t.step_func(e => {
e.intercept({
precommitHandler: async controller => precommit_controller = controller,
handler: t.step_func(async () => {
assert_throws_dom("InvalidStateError", () => precommit_controller.addHandler(() => {}));
})
});
});
await navigation.navigate("#").finished;
}, "addHandler() after commit");
promise_test(async t => {
let i = document.createElement("iframe");
i.src = "about:blank";
document.body.appendChild(i);
i.contentWindow.navigation.onnavigate = t.step_func(e => {
e.intercept({
precommitHandler: t.step_func(controller => {
let iframe_constructor = i.contentWindow.DOMException;
i.remove();
assert_throws_dom("InvalidStateError", iframe_constructor, () => controller.addHandler(() => {}));
})
});
});
i.contentWindow.navigation.navigate("#");
}, "addHandler() in detached iframe");
</script>
</body>