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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.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 did_delay = false;
navigation.onnavigate = t.step_func((e) => {
e.intercept({
precommitHandler: (controller) =>
controller.addHandler(
t.step_func(
() =>
new Promise((resolve) =>
t.step_timeout(() => {
did_delay = true;
resolve();
}, 1)
)
)
),
});
});
await navigation.navigate("#").finished;
assert_true(did_delay);
}, "handler added in addHandler() delays navigation finish");
promise_test(async (t) => {
const events = [];
navigation.onnavigate = t.step_func((e) => {
e.intercept({
precommitHandler: async (controller) => {
controller.addHandler(
t.step_func(() => {
events.push("added");
})
);
},
handler: t.step_func(() => {
events.push("handler1");
}),
});
e.intercept({
handler: t.step_func(() => {
events.push("handler2");
}),
});
});
await navigation.navigate("#").finished;
assert_array_equals(events, ["handler1", "handler2", "added"]);
}, "handler added in addHandler() is executed in the correct order");
</script>
</body>