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disambigaute-traverseTo-forward-multiple.html
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disambigaute-traverseTo-forward-multiple.html
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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<iframe id="i" src="/common/blank.html"></iframe>
<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));
assert_equals(navigation.entries().length, 1);
assert_equals(i.contentWindow.navigation.entries().length, 1);
let initial_key = navigation.currentEntry.key;
await navigation.navigate("#top1").committed;
await navigation.navigate("#top2").committed;
assert_equals(navigation.entries().length, 3);
assert_equals(i.contentWindow.navigation.entries().length, 1);
await i.contentWindow.navigation.navigate("#1").committed;
assert_equals(navigation.entries().length, 3);
assert_equals(i.contentWindow.navigation.entries().length, 2);
assert_equals(navigation.currentEntry.index, 2);
assert_equals(i.contentWindow.navigation.currentEntry.index, 1);
assert_true(navigation.canGoBack);
assert_true(i.contentWindow.navigation.canGoBack);
let final_key = navigation.currentEntry.key;
await i.contentWindow.navigation.back().committed;
assert_equals(navigation.currentEntry.index, 2);
assert_equals(i.contentWindow.navigation.currentEntry.index, 0);
await navigation.traverseTo(initial_key).committed;
assert_equals(navigation.currentEntry.index, 0);
assert_equals(i.contentWindow.navigation.currentEntry.index, 0);
// There are 2 joint session history entries containing the top window's
// final key. Navigate to the nearest one (which navigates only the
// top window).
await navigation.traverseTo(final_key).committed;
assert_equals(navigation.currentEntry.index, 2);
assert_equals(i.contentWindow.navigation.currentEntry.index, 0);
}, "navigation.traverseTo() goes to the nearest entry when going forward");
</script>