<!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 => {
  window.onload = t.step_func(() => {
    let start_key = i.contentWindow.navigation.currentEntry.key;
    let start_url = i.contentWindow.navigation.currentEntry.url;
    let start_id = i.contentWindow.navigation.currentEntry.id;
    let did_js_url_nav = false;
    i.onload = t.step_func(() => {
      if (!did_js_url_nav) {
        assert_equals(i.contentWindow.navigation.entries().length, 2);
        before_js_nav_key = i.contentWindow.navigation.currentEntry.key;
        before_js_nav_url = i.contentWindow.navigation.currentEntry.url;
        before_js_nav_id = i.contentWindow.navigation.currentEntry.id;
        i.src = "javascript:'new content'";
        did_js_url_nav = true;
      } else {
        assert_equals(i.contentWindow.navigation.entries().length, 2);
        let first_entry = i.contentWindow.navigation.entries()[0];
        let js_url_entry = i.contentWindow.navigation.entries()[1];
        assert_equals(first_entry.key, start_key);
        assert_equals(first_entry.url, start_url);
        assert_equals(first_entry.id, start_id);

        assert_equals(js_url_entry, i.contentWindow.navigation.currentEntry);
        assert_equals(js_url_entry.key, before_js_nav_key);
        assert_equals(js_url_entry.url, before_js_nav_url);
        assert_not_equals(js_url_entry.id, before_js_nav_id);
        t.done();
      }
    });
    i.contentWindow.navigation.navigate("?1");
  });
}, "entries() after navigation to a javascript: URL");
</script>
