27 lines
1.3 KiB
HTML
27 lines
1.3 KiB
HTML
<!doctype html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script>
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promise_test(async t => {
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let start_length = navigation.entries().length;
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let start_index = navigation.currentEntry.index;
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// Wait for after the load event so that the navigation doesn't get converted
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// into a replace navigation.
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await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
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assert_equals(navigation.entries().length, start_length);
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let key0 = navigation.currentEntry.key;
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await navigation.navigate("#1").committed;
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await navigation.navigate("#2").committed;
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let key2 = navigation.currentEntry.key;
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assert_equals(navigation.entries().length, start_length + 2);
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await navigation.traverseTo(key0).committed;
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assert_equals(navigation.entries().length, start_length + 2);
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assert_equals(navigation.currentEntry, navigation.entries()[start_index]);
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assert_equals(key0, navigation.currentEntry.key);
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await navigation.traverseTo(key2).committed;
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assert_equals(navigation.entries().length, start_length + 2);
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assert_equals(navigation.currentEntry, navigation.entries()[start_index+2]);
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assert_equals(key2, navigation.currentEntry.key);
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}, "goto() can precisely traverse multiple steps in the joint session history");
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</script>
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