activation-traverse-then-clobber.html

<!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));

  i.contentWindow.navigation.navigate("/common/blank.html?a");
  await new Promise(resolve => i.onload = () => t.step_timeout(resolve, 0));

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

  i.contentWindow.navigation.back();
  await new Promise(resolve => i.onload = () => t.step_timeout(resolve, 0));

  // activation.entry is the current entry. activation.from is the entry the
  // traverse came from.
  assert_equals(i.contentWindow.navigation.entries().length, 2);
  assert_equals(i.contentWindow.navigation.activation.entry, i.contentWindow.navigation.currentEntry);
  assert_equals(i.contentWindow.navigation.activation.entry.index, 0);
  assert_equals(i.contentWindow.navigation.activation.from,
                i.contentWindow.navigation.entries()[1]);
  assert_equals(i.contentWindow.navigation.activation.navigationType, "traverse");

  let from_key_before_push = i.contentWindow.navigation.activation.from.key;
  let from_id_before_push = i.contentWindow.navigation.activation.from.id;
  let from_url_before_push = i.contentWindow.navigation.activation.from.url;
  await i.contentWindow.navigation.navigate("/common/blank.html#fragment").finished;

  // pushing same document will not change activation.entry, but it will cut
  // activation.from out of the entries array. Its parameters should not change
  //except for its index, which becomes -1.
  assert_equals(i.contentWindow.navigation.entries().length, 2);
  assert_equals(i.contentWindow.navigation.activation.entry, i.contentWindow.navigation.entries()[0]);
  assert_equals(i.contentWindow.navigation.activation.entry.index, 0);
  assert_not_equals(i.contentWindow.navigation.activation.from,
                    i.contentWindow.navigation.entries()[1]);
  assert_equals(i.contentWindow.navigation.activation.from.key, from_key_before_push);
  assert_equals(i.contentWindow.navigation.activation.from.id, from_id_before_push);
  assert_equals(i.contentWindow.navigation.activation.from.url, from_url_before_push);
  assert_equals(i.contentWindow.navigation.activation.from.index, -1);
  assert_equals(i.contentWindow.navigation.activation.navigationType, "traverse");
}, "navigation.activation - traverse, then push same-document");
</script>
chromium/third_party/blink/web_tests/external/wpt/navigation-api/navigation-activation/activation-traverse-then-clobber.html
