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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
async_test(t => {
const err = new TypeError("a message");
let start_href = location.href;
navigation.onnavigatesuccess = t.step_func_done(assert_unreached);
navigation.onnavigateerror = t.step_func_done(e => {
assert_equals(location.hash, "#1");
assert_equals(e.constructor, ErrorEvent);
assert_true(e.error === err);
assert_equals(e.message, "Uncaught TypeError: a message");
assert_equals(e.filename, start_href);
assert_greater_than(e.colno, 0);
assert_greater_than(e.lineno, 0);
});
navigation.onnavigate = e => {
e.intercept({ handler: async () => {
await new Promise(r => t.step_timeout(r, 0));
return Promise.reject(err);
}});
};
location.href = "#1";
assert_equals(location.hash, "#1");
}, "event.intercept() should abort if the given promise rejects");
</script>
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