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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>
async_test(t => {
// Wait for after the load event so that the navigation doesn't get converted
// into a replace navigation.
window.onload = () => t.step_timeout(() => {
assert_equals(i.contentWindow.navigation.entries().length, 1);
let next_step = "goto";
let key = i.contentWindow.navigation.currentEntry.key;
i.contentWindow.navigation.navigate("?1");
i.onload = t.step_func(() => {
if (next_step == "goto") {
assert_equals(i.contentWindow.navigation.entries().length, 2);
assert_equals(i.contentWindow.navigation.currentEntry, i.contentWindow.navigation.entries()[1]);
i.contentWindow.navigation.traverseTo(key);
next_step = "forward";
} else if (next_step == "forward") {
assert_equals(i.contentWindow.navigation.entries().length, 2);
assert_equals(key, i.contentWindow.navigation.currentEntry.key);
assert_equals(i.contentWindow.navigation.currentEntry, i.contentWindow.navigation.entries()[0]);
assert_true(i.contentWindow.navigation.canGoForward);
i.contentWindow.navigation.forward();
next_step = "back";
} else if (next_step == "back") {
assert_equals(i.contentWindow.navigation.entries().length, 2);
assert_equals(i.contentWindow.navigation.currentEntry, i.contentWindow.navigation.entries()[1]);
assert_true(i.contentWindow.navigation.canGoBack);
i.contentWindow.navigation.back();
next_step = "finish";
} else if (next_step == "finish") {
assert_equals(i.contentWindow.navigation.entries().length, 2);
assert_equals(i.contentWindow.navigation.currentEntry, i.contentWindow.navigation.entries()[0]);
t.done();
}
});
}, 0);
}, "cross-document traverseTo(), back(), and forward()");
</script>
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