state-after-navigate-restore.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /navigation-api/navigation-history-entry/state-after-navigate-restore.html - WPT Dashboard Interop Dashboard

<!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 => {

  await new Promise(resolve => window.onload = resolve);

  await i.contentWindow.navigation.navigate("#start", { history: "replace", state: "someState" });

  assert_equals(i.contentWindow.navigation.entries().length, 1);

  assert_equals(i.contentWindow.navigation.entries()[0].getState(), "someState");

  await i.contentWindow.navigation.navigate("#foo");

  assert_equals(i.contentWindow.navigation.entries().length, 2);

  assert_equals(i.contentWindow.navigation.entries()[0].getState(), "someState");

  i.contentWindow.navigation.navigate("/common/blank.html?bar");

  await new Promise(resolve => i.onload = resolve);

  assert_equals(i.contentWindow.navigation.entries().length, 3);

  assert_equals(i.contentWindow.navigation.entries()[0].getState(), "someState");

  i.contentWindow.navigation.back();

  await new Promise(resolve => i.onload = resolve);

  assert_equals(i.contentWindow.navigation.entries().length, 3);

  assert_equals(i.contentWindow.navigation.currentEntry.index, 1);

  assert_equals(i.contentWindow.navigation.entries()[0].getState(), "someState");

}, "entry.getState() is properly restored after cross-document back");

</script>