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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));
const key0 = navigation.currentEntry.key;
location.href = "#1";
assert_equals(navigation.entries().length, 2);
const [entry0, entry1] = navigation.entries();
assert_equals((new URL(entry0.url)).hash, "");
assert_equals((new URL(entry1.url)).hash, "#1");
const err = new Error("boo!");
const promise = Promise.reject(err);
promise.catch(() => {}); // prevent unhandled rejection testharness.js errors
navigation.onnavigate = e => e.intercept({ handler: () => promise });
const result = navigation.traverseTo(key0);
await assertCommittedFulfillsFinishedRejectsExactly(t, result, entry0, err);
assert_equals(navigation.currentEntry, entry0);
}, "traverseTo() promise rejection with rejected intercept()");
</script>
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