<!DOCTYPE html>
<meta charset=utf-8>
<title>Named items: iframes</title>
<link rel="author" title="Ms2ger" href="mailto:ms2ger@gmail.com">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-document-nameditem">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<div id="test">
<iframe name="test1"></iframe>

<iframe name="test2"></iframe>
<iframe name="test2"></iframe>

<iframe name="test3"></iframe>
<img name="test3">

<img name="test4">
<iframe name="test4"></iframe>

<iframe id="test5"></iframe>

<iframe name="test6" id="fail"></iframe>

<iframe name="fail" id="test7"></iframe>

<iframe name="42"></iframe>
</div>
<script>
test(function() {
  var iframe = document.getElementsByTagName("iframe")[0];
  assert_equals(iframe.name, "test1");

  assert_true("test1" in document, '"test1" in document should be true');
  assert_equals(document.test1, iframe.contentWindow);
}, "If the only named item is an iframe, the contentWindow should be returned.");

test(function() {
  var iframe1 = document.getElementsByTagName("iframe")[1];
  assert_equals(iframe1.name, "test2");
  var iframe2 = document.getElementsByTagName("iframe")[2];
  assert_equals(iframe2.name, "test2");

  assert_true("test2" in document, '"test2" in document should be true');
  var collection = document.test2;
  assert_class_string(collection, "HTMLCollection", "collection should be an HTMLCollection");
  assert_array_equals(collection, [iframe1, iframe2]);
}, "If there are two iframes, a collection should be returned.");

test(function() {
  var iframe = document.getElementsByTagName("iframe")[3];
  assert_equals(iframe.name, "test3");
  var img = document.getElementsByTagName("img")[0];
  assert_equals(img.name, "test3");

  assert_true("test3" in document, '"test3" in document should be true');
  var collection = document.test3;
  assert_class_string(collection, "HTMLCollection", "collection should be an HTMLCollection");
  assert_array_equals(collection, [iframe, img]);
}, "If there are an iframe and another element (iframe first), a collection should be returned.");

test(function() {
  var iframe = document.getElementsByTagName("iframe")[4];
  assert_equals(iframe.name, "test4");
  var img = document.getElementsByTagName("img")[1];
  assert_equals(img.name, "test4");

  assert_true("test4" in document, '"test4" in document should be true');
  var collection = document.test4;
  assert_class_string(collection, "HTMLCollection", "collection should be an HTMLCollection");
  assert_array_equals(collection, [img, iframe]);
}, "If there are an iframe and another element (iframe last), a collection should be returned.");

test(function() {
  assert_false("test5" in document, '"test5" in document should be false');
  assert_equals(document.test5, undefined);
}, "If an iframe has an id and no name, it should not be returned.");

test(function() {
  var iframe = document.getElementsByTagName("iframe")[6];
  assert_equals(iframe.name, "test6");

  assert_true("test6" in document, '"test6" in document should be true');
  assert_equals(document.test6, iframe.contentWindow);
}, "If an iframe has a name and a different id, it should be returned by its name.");

test(function() {
  assert_false("test7" in document, '"test7" in document should be false');
  assert_equals(document.test7, undefined);
}, "If an iframe has an id and a different name, it should not be returned by its id.");

test(function() {
  var iframe = document.getElementsByTagName("iframe")[8];
  assert_equals(iframe.name, "42");

  assert_true(42 in document, '42 in document should be true');
  assert_equals(document[42], iframe.contentWindow);
}, "An iframe whose name looks like an array index should work.");
</script>