<script>
var popup, popup2, popup3, popup4;

// window.open, window.close should be synchronous
function test1() {
  popup = window.open('title1.html', 'name');
  popup.close();

  popup = window.open('title2.html', 'name', 'width=200,height=200');
  popup.close();
}

// Try opening/closing a few windows.
function test2() {
  openPopups();
  closePopups();
}

function test3() {
  openPopups();
  setTimeout(closePopups, 0);
  setTimeout(test4, 1);
}

function test4() {
  openPopups();
  setTimeout(closePopupsAndDone, 250);
}

function openPopups() {
  popup = window.open('title1.html', 'name');
  popup2 = window.open('title1.html', 'name2');
  popup3 = window.open('title1.html', 'name3');
  popup4 = window.open('title1.html', 'name4');
}

function closePopups() {
  popup.close();
  popup2.close();
  popup3.close();
  popup4.close();
}

function closePopupsAndDone() {
  closePopups();
  document.title = "PASSED";
}

test1();
test2();
test3();

</script>