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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/helpers.js"></script>
<script>
promise_test(async t => {
// Wait for after the load event so that the navigation doesn't get converted
// into a replace navigation.
await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
let result2;
navigation.onnavigate = t.step_func(e => {
if (e.info == 1) {
result2 = navigation.navigate("#2", { info: 2 });
assert_true(e.defaultPrevented);
}
});
const result1 = navigation.navigate("#1", { info: 1 });
assert_equals(navigation.entries().length, 2);
assert_array_equals(navigation.entries().map(e => (new URL(e.url)).hash), ["", "#2"]);
await assertBothRejectDOM(t, result1, "AbortError");
await assertBothFulfill(t, result2, navigation.currentEntry);
}, "if navigate() is called inside onnavigate, the previous navigation and navigate event are cancelled");
</script>
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