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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
promise_test(async t => {
let p1_resolved = false;
let p2_resolved = false;
let p3_resolved = false;
navigation.onnavigate = t.step_func(e => {
e.intercept({ handler: async () => {
await Promise.resolve();
assert_false(p2_resolved);
assert_false(p3_resolved);
p1_resolved = true;
}});
e.intercept({ handler: async () => {
await new Promise(resolve => t.step_timeout(resolve, 1));
assert_true(p1_resolved);
assert_false(p3_resolved);
p2_resolved = true;
}});
e.intercept({ handler: async () => {
await new Promise(resolve => t.step_timeout(resolve, 1));
assert_true(p1_resolved);
assert_true(p2_resolved);
p3_resolved = true;
}});
});
let promise = navigation.navigate("#1").finished;
assert_equals(location.hash, "#1");
assert_false(p1_resolved);
assert_false(p2_resolved);
assert_false(p3_resolved);
await promise;
assert_true(p1_resolved);
assert_true(p2_resolved);
assert_true(p3_resolved);
}, "navigation.navigate() returns a finished promise that awaits all promises if event.intercept() is called multiple times");
</script>
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