Entry1, finalEntry2] = navigation.entries().slice(start_index);
  assert_equals(finalEntry0, entry0);
  assert_equals(finalEntry1, entry1);
  assert_not_equals(finalEntry2, entry2);
  assert_equals(navigation.currentEntry, finalEntry2);
  assert_equals((new URL(finalEntry2.url)).hash, "#fork");
}, "dispose events when forward-pruning same-document entries");
</script>
