<!DOCTYPE html>
<meta charset=utf-8>
<title>Attributes tests</title>
<link rel=help href="https://dom.spec.whatwg.org/#attr">
<link rel=help href="https://dom.spec.whatwg.org/#dom-element-setattribute">
<link rel=help href="https://dom.spec.whatwg.org/#dom-element-setattributens">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="attributes.js"></script>
<script src="productions.js"></script>
<div id="log"></div>
<span id="test1"></span>
<span class="&amp;&lt;&gt;foo"></span>
<span id="test2">
  <span ~=""></span>
  <span ~></span>
  <span></span>
</span>
<script>
var XML = "http://www.w3.org/XML/1998/namespace"
var XMLNS = "http://www.w3.org/2000/xmlns/"

// toggleAttribute exhaustive tests
// Step 1
test(function() {
  var el = document.createElement("foo")
  for (var i = 0; i < invalid_names.length; i++) {
    assert_throws_dom("INVALID_CHARACTER_ERR", function() { el.toggleAttribute(invalid_names[i], true) })
  }
  for (var i = 0; i < invalid_names.length; i++) {
    assert_throws_dom("INVALID_CHARACTER_ERR", function() { el.toggleAttribute(invalid_names[i]) })
  }
  for (var i = 0; i < invalid_names.length; i++) {
    assert_throws_dom("INVALID_CHARACTER_ERR", function() { el.toggleAttribute(invalid_names[i], false) })
  }
}, "When qualifiedName does not match the Name production, an " +
   "INVALID_CHARACTER_ERR exception is to be thrown. (toggleAttribute)")
test(function() {
  var el = document.getElementById("test2")
  for (var i = 0; i < el.children.length; i++) {
    assert_throws_dom("INVALID_CHARACTER_ERR", function() {
      el.children[i].toggleAttribute("~", false)
    })
  }
  for (var i = 0; i < el.children.length; i++) {
    assert_throws_dom("INVALID_CHARACTER_ERR", function() {
      el.children[i].toggleAttribute("~")
    })
  }
  for (var i = 0; i < el.children.length; i++) {
    assert_throws_dom("INVALID_CHARACTER_ERR", function() {
      el.children[i].toggleAttribute("~", true)
    })
  }
}, "When qualifiedName does not match the Name production, an " +
   "INVALID_CHARACTER_ERR exception is to be thrown, even if the attribute " +
   "is already present. (toggleAttribute)")

// Step 2
test(function() {
  var el = document.createElement("div")
  assert_true(el.toggleAttribute("ALIGN"))
  assert_true(!el.hasAttributeNS("", "ALIGN"))
  assert_true(el.hasAttributeNS("", "align"))
  assert_true(el.hasAttribute("align"))
  assert_true(!el.toggleAttribute("ALIGN"))
  assert_true(!el.hasAttributeNS("", "ALIGN"))
  assert_true(!el.hasAttributeNS("", "align"))
  assert_true(!el.hasAttribute("align"))
}, "toggleAttribute should lowercase its name argument (upper case attribute)")
test(function() {
  var el = document.createElement("div")
  assert_true(el.toggleAttribute("CHEEseCaKe"))
  assert_true(!el.hasAttributeNS("", "CHEEseCaKe"))
  assert_true(el.hasAttributeNS("", "cheesecake"))
  assert_true(el.hasAttribute("cheesecake"))
}, "toggleAttribute should lowercase its name argument (mixed case attribute)")

// Step 3
test(function() {
  var el = document.createElement("foo")
  var tests = ["xmlns", "xmlns:a", "xmlnsx", "xmlns0"]
  for (var i = 0; i < tests.length; i++) {
    assert_true(el.toggleAttribute(tests[i]));
    assert_true(el.hasAttribute(tests[i]));
  }
}, "toggleAttribute should not throw even when qualifiedName starts with 'xmlns'")

// Step 4
test(function() {
  var el = document.createElement("foo")
  for (var i = 0; i < valid_names.length; i++) {
    assert_true(el.toggleAttribute(valid_names[i]))
    assert_true(el.hasAttribute(valid_names[i]))
    assert_true(!el.toggleAttribute(valid_names[i]))
    assert_true(!el.hasAttribute(valid_names[i]))
    // Check using force attr
    assert_true(el.toggleAttribute(valid_names[i], true))
    assert_true(el.hasAttribute(valid_names[i]))
    assert_true(el.toggleAttribute(valid_names[i], true))
    assert_true(el.hasAttribute(valid_names[i]))
    assert_true(!el.toggleAttribute(valid_names[i], false))
    assert_true(!el.hasAttribute(valid_names[i]))
  }
}, "Basic functionality should be intact. (toggleAttribute)")

// Step 5
test(function() {
  var el = document.createElement("foo")
  el.toggleAttribute("a")
  el.toggleAttribute("b")
  el.setAttribute("a", "thing")
  el.toggleAttribute("c")
  attributes_are(el, [["a", "thing"],
                      ["b", ""],
                      ["c", ""]])
}, "toggleAttribute should not change the order of previously set attributes.")
test(function() {
  var el = document.createElement("baz")
  el.setAttributeNS("ab", "attr", "fail")
  el.setAttributeNS("kl", "attr", "pass")
  el.toggleAttribute("attr")
  attributes_are(el, [["attr", "pass", "kl"]])
}, "toggleAttribute should set the first attribute with the given name")
test(function() {
  // Based on a test by David Flanagan.
  var el = document.createElement("baz")
  el.setAttributeNS("foo", "foo:bar", "1");
  el.setAttributeNS("foo", "foo:bat", "2");
  assert_equals(el.getAttribute("foo:bar"), "1")
  assert_equals(el.getAttribute("foo:bat"), "2")
  attr_is(el.attributes[0], "1", "bar", "foo", "foo", "foo:bar")
  attr_is(el.attributes[1], "2", "bat", "foo", "foo", "foo:bat")
  el.toggleAttribute("foo:bar");
  assert_true(!el.hasAttribute("foo:bar"))
  attr_is(el.attributes[0], "2", "bat", "foo", "foo", "foo:bat")
}, "toggleAttribute should set the attribute with the given qualified name")

test(function() {
  var el = document.createElement("foo")
  el.style = "color: red; background-color: green"
  assert_equals(el.toggleAttribute("style"), false)
}, "Toggling element with inline style should make inline style disappear")

// setAttribute exhaustive tests
// Step 1
test(function() {
  var el = document.createElement("foo")
  for (var i = 0; i < invalid_names.length; i++) {
    assert_throws_dom("INVALID_CHARACTER_ERR", function() { el.setAttribute(invalid_names[i], "test") })
  }
}, "When qualifiedName does not match the Name production, an " +
   "INVALID_CHARACTER_ERR exception is to be thrown. (setAttribute)")
test(function() {
  var el = document.getElementById("test2")
  for (var i = 0; i < el.children.length; i++) {
    assert_throws_dom("INVALID_CHARACTER_ERR", function() {
      el.children[i].setAttribute("~", "test")
    })
  }
}, "When qualifiedName does not match the Name production, an " +
   "INVALID_CHARACTER_ERR exception is to be thrown, even if the attribute " +
   "is already present. (setAttribute)")

// Step 2
test(function() {
  var el = document.createElement("div")
  el.setAttribute("ALIGN", "left")
  assert_equals(el.getAttributeNS("", "ALIGN"), null)
  assert_equals(el.getAttributeNS("", "align"), "left")
  assert_equals(el.getAttribute("align"), "left")
}, "setAttribute should lowercase its name argument (upper case attribute)")
test(function() {
  var el = document.createElement("div")
  el.setAttribute("CHEEseCaKe", "tasty")
  assert_equals(el.getAttributeNS("", "CHEEseCaKe"), null)
  assert_equals(el.getAttributeNS("", "cheesecake"), "tasty")
  assert_equals(el.getAttribute("cheesecake"), "tasty")
}, "setAttribute should lowercase its name argument (mixed case attribute)")

// Step 3
test(function() {
  var el = document.createElement("foo")
  var tests = ["xmlns", "xmlns:a", "xmlnsx", "xmlns0"]
  for (var i = 0; i < tests.length; i++) {
    el.setAttribute(tests[i], "success");
  }
}, "setAttribute should not throw even when qualifiedName starts with 'xmlns'")

// Step 4
test(function() {
  var el = document.createElement("foo")
  for (var i = 0; i < valid_names.length; i++) {
    el.setAttribute(valid_names[i], "test")
    assert_equals(el.getAttribute(valid_names[i]), "test")
  }
}, "Basic functionality should be intact.")

// Step 5
test(function() {
  var el = document.createElement("foo")
  el.setAttribute("a", "1")
  el.setAttribute("b", "2")
  el.setAttribute("a", "3")
  el.setAttribute("c", "4")
  attributes_are(el, [["a", "3"],
                      ["b", "2"],
                      ["c", "4"]])
}, "setAttribute should not change the order of previously set attributes.")
test(function() {
  var el = document.createElement("baz")
  el.setAttributeNS("ab", "attr", "fail")
  el.setAttributeNS("kl", "attr", "pass")
  el.setAttribute("attr", "pass")
  attributes_are(el, [["attr", "pass", "ab"],
                      ["attr", "pass", "kl"]])
}, "setAttribute should set the first attribute with the given name")
test(function() {
  // Based on a test by David Flanagan.
  var el = document.createElement("baz")
  el.setAttributeNS("foo", "foo:bar", "1");
  assert_equals(el.getAttribute("foo:bar"), "1")
  attr_is(el.attributes[0], "1", "bar", "foo", "foo", "foo:bar")
  el.setAttribute("foo:bar", "2");
  assert_equals(el.getAttribute("foo:bar"), "2")
  attr_is(el.attributes[0], "2", "bar", "foo", "foo", "foo:bar")
}, "setAttribute should set the attribute with the given qualified name")

// setAttributeNS exhaustive tests
// Step 1
test(function() {
  var el = document.createElement("foo")
  for (var i = 0, il = invalid_names.length; i < il; ++i) {
    assert_throws_dom("INVALID_CHARACTER_ERR",
                      function() { el.setAttributeNS("a", invalid_names[i], "fail") })
  }
}, "When qualifiedName does not match the Name production, an " +
   "INVALID_CHARACTER_ERR exception is to be thrown. (setAttributeNS)")

test(function() {
  var el = document.getElementById("test2")
  for (var i = 0; i < el.children.length; i++) {
    assert_throws_dom("INVALID_CHARACTER_ERR", function() {
      el.children[i].setAttributeNS(null, "~", "test")
    })
  }
}, "When qualifiedName does not match the Name production, an " +
   "INVALID_CHARACTER_ERR exception is to be thrown, even if the attribute " +
   "is already present. (setAttributeNS)")

// Step 2
test(function() {
  var el = document.createElement("foo")
  for (var i = 0, il = invalid_qnames.length; i < il; ++i) {
    assert_throws_dom("INVALID_CHARACTER_ERR",
                      function() { el.setAttributeNS("a", invalid_qnames[i], "fail") },
                      "Expected exception for " + invalid_qnames[i] + ".")
  }
}, "When qualifiedName does not match the QName production, an " +
   "INVALID_CHARACTER_ERR exception is to be thrown.")

// Step 3
test(function() {
  var el = document.createElement("foo")
  el.setAttributeNS(null, "aa", "bb")
  el.setAttributeNS("", "xx", "bb")
  attributes_are(el, [["aa", "bb"],
                      ["xx", "bb"]])
}, "null and the empty string should result in a null namespace.")

// Step 4
test(function() {
  var el = document.createElement("foo")
  assert_throws_dom("NAMESPACE_ERR",
                    function() { el.setAttributeNS("", "aa:bb", "fail") })
  assert_throws_dom("NAMESPACE_ERR",
                    function() { el.setAttributeNS(null, "aa:bb", "fail") })
}, "A namespace is required to use a prefix.")

// Step 5
test(function() {
  var el = document.createElement("foo")
  assert_throws_dom("NAMESPACE_ERR",
                    function() { el.setAttributeNS("a", "xml:bb", "fail") })
}, "The xml prefix should not be allowed for arbitrary namespaces")
test(function() {
  var el = document.createElement("foo")
  el.setAttributeNS(XML, "a:bb", "pass")
  assert_equals(el.attributes.length, 1)
  attr_is(el.attributes[0], "pass", "bb", XML, "a", "a:bb")
}, "XML-namespaced attributes don't need an xml prefix")

// Step 6
test(function() {
  var el = document.createElement("foo")
  assert_throws_dom("NAMESPACE_ERR",
                    function() { el.setAttributeNS("a", "xmlns:bb", "fail") })
}, "The xmlns prefix should not be allowed for arbitrary namespaces")
test(function() {
  var el = document.createElement("foo")
  assert_throws_dom("NAMESPACE_ERR",
                    function() { el.setAttributeNS("a", "xmlns", "fail") })
}, "The xmlns qualified name should not be allowed for arbitrary namespaces")
test(function() {
  var el = document.createElement("foo")
  el.setAttributeNS("ns", "a:xmlns", "pass")
  assert_equals(el.attributes.length, 1)
  attr_is(el.attributes[0], "pass", "xmlns", "ns", "a", "a:xmlns")
}, "xmlns should be allowed as local name")

// Step 7
test(function() {
  var el = document.createElement("foo")
  assert_throws_dom("NAMESPACE_ERR",
                    function() { el.setAttributeNS(XMLNS, "a:xmlns", "fail") })
  assert_throws_dom("NAMESPACE_ERR",
                    function() { el.setAttributeNS(XMLNS, "b:foo", "fail") })
}, "The XMLNS namespace should require xmlns as prefix or qualified name")
test(function() {
  var el = document.createElement("foo")
  el.setAttributeNS(XMLNS, "xmlns:a", "pass")
  assert_equals(el.attributes.length, 1)
  attr_is(el.attributes[0], "pass", "a", XMLNS, "xmlns", "xmlns:a")
}, "xmlns should be allowed as prefix in the XMLNS namespace")
test(function() {
  var el = document.createElement("foo")
  el.setAttributeNS(XMLNS, "xmlns", "pass")
  assert_equals(el.attributes.length, 1)
  attr_is(el.attributes[0], "pass", "xmlns", XMLNS, null, "xmlns")
}, "xmlns should be allowed as qualified name in the XMLNS namespace")

// Step 8-9
test(function() {
  var el = document.createElement("foo")
  el.setAttributeNS("a", "foo:bar", "X")
  assert_equals(el.attributes.length, 1)
  attr_is(el.attributes[0], "X", "bar", "a", "foo", "foo:bar")

  el.setAttributeNS("a", "quux:bar", "Y")
  assert_equals(el.attributes.length, 1)
  attr_is(el.attributes[0], "Y", "bar", "a", "foo", "foo:bar")
  el.removeAttributeNS("a", "bar")
}, "Setting the same attribute with another prefix should not change the prefix")

// Miscellaneous tests
test(function() {
  var el = document.createElement("iframe")
  el.setAttribute("src", "file:///home")
  assert_equals(el.getAttribute("src"), "file:///home")
}, "setAttribute should not throw even if a load is not allowed")
test(function() {
  var docFragment = document.createDocumentFragment()
  var newOne = document.createElement("newElement")
  newOne.setAttribute("newdomestic", "Yes")
  docFragment.appendChild(newOne)
  var domesticNode = docFragment.firstChild
  var attr = domesticNode.attributes.item(0)
  attr_is(attr, "Yes", "newdomestic", null, null, "newdomestic")
}, "Attributes should work in document fragments.")
test(function() {
  var el = document.createElement("foo")
  el.setAttribute("x", "y")
  var attr = el.attributes[0]
  attr.value = "Y&lt;"
  attr_is(attr, "Y&lt;", "x", null, null, "x")
  assert_equals(el.getAttribute("x"), "Y&lt;")
}, "Attribute values should not be parsed.")
test(function() {
  var el = document.getElementsByTagName("span")[0]
  attr_is(el.attributes[0], "test1", "id", null, null, "id")
}, "Specified attributes should be accessible.")
test(function() {
  var el = document.getElementsByTagName("span")[1]
  attr_is(el.attributes[0], "&<>foo", "class", null, null, "class")
}, "Entities in attributes should have been expanded while parsing.")

test(function() {
  var el = document.createElement("div")
  assert_equals(el.hasAttribute("bar"), false)
  assert_equals(el.hasAttributeNS(null, "bar"), false)
  assert_equals(el.hasAttributeNS("", "bar"), false)
  assert_equals(el.getAttribute("bar"), null)
  assert_equals(el.getAttributeNS(null, "bar"), null)
  assert_equals(el.getAttributeNS("", "bar"), null)
}, "Unset attributes return null")
test(function() {
  var el = document.createElement("div")
  el.setAttributeNS("ab", "attr", "t1")
  el.setAttributeNS("kl", "attr", "t2")
  assert_equals(el.hasAttribute("attr"), true)
  assert_equals(el.hasAttributeNS("ab", "attr"), true)
  assert_equals(el.hasAttributeNS("kl", "attr"), true)
  assert_equals(el.getAttribute("attr"), "t1")
  assert_equals(el.getAttributeNS("ab", "attr"), "t1")
  assert_equals(el.getAttributeNS("kl", "attr"), "t2")
  assert_equals(el.getAttributeNS(null, "attr"), null)
  assert_equals(el.getAttributeNS("", "attr"), null)
}, "First set attribute is returned by getAttribute")
test(function() {
  var el = document.createElement("div")
  el.setAttribute("style", "color:#fff;")
  assert_equals(el.hasAttribute("style"), true)
  assert_equals(el.hasAttributeNS(null, "style"), true)
  assert_equals(el.hasAttributeNS("", "style"), true)
  assert_equals(el.getAttribute("style"), "color:#fff;")
  assert_equals(el.getAttributeNS(null, "style"), "color:#fff;")
  assert_equals(el.getAttributeNS("", "style"), "color:#fff;")
}, "Style attributes are not normalized")
test(function() {
  var el = document.createElement("div")
  el.setAttributeNS("", "ALIGN", "left")
  assert_equals(el.hasAttribute("ALIGN"), false)
  assert_equals(el.hasAttribute("align"), false)
  assert_equals(el.hasAttributeNS(null, "ALIGN"), true)
  assert_equals(el.hasAttributeNS(null, "align"), false)
  assert_equals(el.hasAttributeNS("", "ALIGN"), true)
  assert_equals(el.hasAttributeNS("", "align"), false)
  assert_equals(el.getAttribute("ALIGN"), null)
  assert_equals(el.getAttribute("align"), null)
  assert_equals(el.getAttributeNS(null, "ALIGN"), "left")
  assert_equals(el.getAttributeNS("", "ALIGN"), "left")
  assert_equals(el.getAttributeNS(null, "align"), null)
  assert_equals(el.getAttributeNS("", "align"), null)
  el.removeAttributeNS("", "ALIGN")
}, "Only lowercase attributes are returned on HTML elements (upper case attribute)")
test(function() {
  var el = document.createElement("div")
  el.setAttributeNS("", "CHEEseCaKe", "tasty")
  assert_equals(el.hasAttribute("CHEESECAKE"), false)
  assert_equals(el.hasAttribute("CHEEseCaKe"), false)
  assert_equals(el.hasAttribute("cheesecake"), false)
  assert_equals(el.hasAttributeNS("", "CHEESECAKE"), false)
  assert_equals(el.hasAttributeNS("", "CHEEseCaKe"), true)
  assert_equals(el.hasAttributeNS("", "cheesecake"), false)
  assert_equals(el.hasAttributeNS(null, "CHEESECAKE"), false)
  assert_equals(el.hasAttributeNS(null, "CHEEseCaKe"), true)
  assert_equals(el.hasAttributeNS(null, "cheesecake"), false)
  assert_equals(el.getAttribute("CHEESECAKE"), null)
  assert_equals(el.getAttribute("CHEEseCaKe"), null)
  assert_equals(el.getAttribute("cheesecake"), null)
  assert_equals(el.getAttributeNS(null, "CHEESECAKE"), null)
  assert_equals(el.getAttributeNS("", "CHEESECAKE"), null)
  assert_equals(el.getAttributeNS(null, "CHEEseCaKe"), "tasty")
  assert_equals(el.getAttributeNS("", "CHEEseCaKe"), "tasty")
  assert_equals(el.getAttributeNS(null, "cheesecake"), null)
  assert_equals(el.getAttributeNS("", "cheesecake"), null)
  el.removeAttributeNS("", "CHEEseCaKe")
}, "Only lowercase attributes are returned on HTML elements (mixed case attribute)")
test(function() {
  var el = document.createElement("div")
  document.body.appendChild(el)
  el.setAttributeNS("", "align", "left")
  el.setAttributeNS("xx", "align", "right")
  el.setAttributeNS("", "foo", "left")
  el.setAttributeNS("xx", "foo", "right")
  assert_equals(el.hasAttribute("align"), true)
  assert_equals(el.hasAttribute("foo"), true)
  assert_equals(el.hasAttributeNS("xx", "align"), true)
  assert_equals(el.hasAttributeNS(null, "foo"), true)
  assert_equals(el.getAttribute("align"), "left")
  assert_equals(el.getAttribute("foo"), "left")
  assert_equals(el.getAttributeNS("xx", "align"), "right")
  assert_equals(el.getAttributeNS(null, "foo"), "left")
  assert_equals(el.getAttributeNS("", "foo"), "left")
  el.removeAttributeNS("", "align")
  el.removeAttributeNS("xx", "align")
  el.removeAttributeNS("", "foo")
  el.removeAttributeNS("xx", "foo")
  document.body.removeChild(el)
}, "First set attribute is returned with mapped attribute set first")
test(function() {
  var el = document.createElement("div")
  el.setAttributeNS("xx", "align", "right")
  el.setAttributeNS("", "align", "left")
  el.setAttributeNS("xx", "foo", "right")
  el.setAttributeNS("", "foo", "left")
  assert_equals(el.hasAttribute("align"), true)
  assert_equals(el.hasAttribute("foo"), true)
  assert_equals(el.hasAttributeNS("xx", "align"), true)
  assert_equals(el.hasAttributeNS(null, "foo"), true)
  assert_equals(el.getAttribute("align"), "right")
  assert_equals(el.getAttribute("foo"), "right")
  assert_equals(el.getAttributeNS("xx", "align"), "right")
  assert_equals(el.getAttributeNS(null, "foo"), "left")
  assert_equals(el.getAttributeNS("", "foo"), "left")
  el.removeAttributeNS("", "align")
  el.removeAttributeNS("xx", "align")
  el.removeAttributeNS("", "foo")
  el.removeAttributeNS("xx", "foo")
}, "First set attribute is returned with mapped attribute set later")

test(function() {
  var el = document.createElementNS("http://www.example.com", "foo")
  el.setAttribute("A", "test")
  assert_equals(el.hasAttribute("A"), true, "hasAttribute()")
  assert_equals(el.hasAttributeNS("", "A"), true, "el.hasAttributeNS(\"\")")
  assert_equals(el.hasAttributeNS(null, "A"), true, "el.hasAttributeNS(null)")
  assert_equals(el.hasAttributeNS(undefined, "A"), true, "el.hasAttributeNS(undefined)")
  assert_equals(el.hasAttributeNS("foo", "A"), false, "el.hasAttributeNS(\"foo\")")

  assert_equals(el.getAttribute("A"), "test", "getAttribute()")
  assert_equals(el.getAttributeNS("", "A"), "test", "el.getAttributeNS(\"\")")
  assert_equals(el.getAttributeNS(null, "A"), "test", "el.getAttributeNS(null)")
  assert_equals(el.getAttributeNS(undefined, "A"), "test", "el.getAttributeNS(undefined)")
  assert_equals(el.getAttributeNS("foo", "A"), null, "el.getAttributeNS(\"foo\")")
}, "Non-HTML element with upper-case attribute")

test(function() {
  var el = document.createElement("div")
  el.setAttribute("pre:fix", "value 1")
  el.setAttribute("fix", "value 2")

  var prefixed = el.attributes[0]
  assert_equals(prefixed.localName, "pre:fix", "prefixed local name")
  assert_equals(prefixed.namespaceURI, null, "prefixed namespace")

  var unprefixed = el.attributes[1]
  assert_equals(unprefixed.localName, "fix", "unprefixed local name")
  assert_equals(unprefixed.namespaceURI, null, "unprefixed namespace")

  el.removeAttributeNS(null, "pre:fix")
  assert_equals(el.attributes[0], unprefixed)
}, "Attribute with prefix in local name")

test(function() {
  var el = document.createElement("div")
  el.setAttribute("foo", "bar")
  var attr = el.attributes[0]
  assert_equals(attr.ownerElement, el)
  el.removeAttribute("foo")
  assert_equals(attr.ownerElement, null)
}, "Attribute loses its owner when removed")

test(function() {
  var el = document.createElement("div")
  el.setAttribute("foo", "bar")
  var attr = el.attributes[0]
  var attrNode = el.getAttributeNode("foo");
  var attrNodeNS = el.getAttributeNodeNS("", "foo");
  assert_equals(attr, attrNode);
  assert_equals(attr, attrNodeNS);
  el.setAttributeNS("x", "foo2", "bar2");
  var attr2 = el.attributes[1];
  var attrNodeNS2 = el.getAttributeNodeNS("x", "foo2");
  assert_equals(attr2, attrNodeNS2);
}, "Basic functionality of getAttributeNode/getAttributeNodeNS")

test(function() {
  var el = document.createElement("div")
  el.setAttribute("foo", "bar")
  var attrNode = el.getAttributeNode("foo");
  var attrNodeNS = el.getAttributeNodeNS("", "foo");
  assert_equals(attrNode, attrNodeNS);
  el.removeAttribute("foo");
  var el2 = document.createElement("div");
  el2.setAttributeNode(attrNode);
  assert_equals(attrNode, el2.getAttributeNode("foo"));
  assert_equals(attrNode, el2.attributes[0]);
  assert_equals(attrNode.ownerElement, el2);
  assert_equals(attrNode.value, "bar");

   var el3 = document.createElement("div");
   el2.removeAttribute("foo");
   el3.setAttribute("foo", "baz");
   el3.setAttributeNode(attrNode);
   assert_equals(el3.getAttribute("foo"), "bar");
}, "Basic functionality of setAttributeNode")

test(function() {
  var el = document.createElement("div");
  var attr1 = document.createAttributeNS("ns1", "p1:name");
  attr1.value = "value1";
  var attr2 = document.createAttributeNS("ns2", "p2:name");
  attr2.value = "value2";
  el.setAttributeNode(attr1);
  el.setAttributeNode(attr2);
  assert_equals(el.getAttributeNodeNS("ns1", "name").value, "value1");
  assert_equals(el.getAttributeNodeNS("ns2", "name").value, "value2");
}, "setAttributeNode should distinguish attributes with same local name and different namespaces")

test(function() {
  var el = document.createElement("div");
  var attr1 = document.createAttributeNS("ns1", "p1:name");
  attr1.value = "value1";
  var attr2 = document.createAttributeNS("ns1", "p1:NAME");
  attr2.value = "VALUE2";
  el.setAttributeNode(attr1);
  el.setAttributeNode(attr2);
  assert_equals(el.getAttributeNodeNS("ns1", "name").value, "value1");
  assert_equals(el.getAttributeNodeNS("ns1", "NAME").value, "VALUE2");
}, "setAttributeNode doesn't have case-insensitivity even with an HTMLElement")

test(function() {
  var el = document.createElement("div")
  el.setAttributeNS("x", "foo", "bar")
  var attrNode = el.getAttributeNodeNS("x", "foo");
  el.removeAttribute("foo");
  var el2 = document.createElement("div");
  el2.setAttributeNS("x", "foo", "baz");
  el2.setAttributeNodeNS(attrNode);
  assert_equals(el2.getAttributeNS("x", "foo"), "bar");
}, "Basic functionality of setAttributeNodeNS")

test(function() {
  var el = document.createElement("div");
  var other = document.createElement("div");
  var attr = document.createAttribute("foo");
  assert_equals(el.setAttributeNode(attr), null);
  assert_equals(attr.ownerElement, el);
  assert_throws_dom("INUSE_ATTRIBUTE_ERR",
                  function() { other.setAttributeNode(attr) },
                  "Attribute already associated with el")
}, "If attr’s element is neither null nor element, throw an InUseAttributeError.");

test(function() {
  var el = document.createElement("div");
  var attr = document.createAttribute("foo");
  assert_equals(el.setAttributeNode(attr), null);
  el.setAttribute("bar", "qux");
  assert_equals(el.setAttributeNode(attr), attr);
  assert_equals(el.attributes[0], attr);
}, "Replacing an attr by itself");

test(function() {
  var el = document.createElement("div")
  el.setAttribute("foo", "bar")
  var attrNode = el.getAttributeNode("foo");
  el.removeAttributeNode(attrNode);
  var el2 = document.createElement("div");
  el2.setAttributeNode(attrNode);
  assert_equals(el2.attributes[0], attrNode);
  assert_equals(el.attributes.length, 0);
}, "Basic functionality of removeAttributeNode")

test(function() {
  var el = document.createElement("div")
  el.setAttribute("foo", "bar")
  var attrNode = el.getAttributeNode("foo");
  var el2 = document.createElement("div");
  assert_throws_dom("INUSE_ATTRIBUTE_ERR", function(){el2.setAttributeNode(attrNode)});
}, "setAttributeNode on bound attribute should throw InUseAttributeError")

// Have to use an async_test to see what a DOMAttrModified listener sees,
// because otherwise the event dispatch code will swallow our exceptions.  And
// we want to make sure this test always happens, even when no mutation events
// run.
var setAttributeNode_mutation_test = async_test("setAttributeNode, if it fires mutation events, should fire one with the new node when resetting an existing attribute");

test(function(){
  var el = document.createElement("div")
  var attrNode1 = document.createAttribute("foo");
  attrNode1.value = "bar";
  el.setAttributeNode(attrNode1);
  var attrNode2 = document.createAttribute("foo");
  attrNode2.value = "baz";

  el.addEventListener("DOMAttrModified", function(e) {
    // If this never gets called, that's OK, I guess.  But if it gets called, it
    // better represent a single modification with attrNode2 as the relatedNode.
    // We have to do an inner test() call here, because otherwise the exceptions
    // our asserts trigger will get swallowed by the event dispatch code.
    setAttributeNode_mutation_test.step(function() {
      assert_equals(e.attrName, "foo");
      assert_equals(e.attrChange, MutationEvent.MODIFICATION);
      assert_equals(e.prevValue, "bar");
      assert_equals(e.newValue, "baz");
      assert_equals(e.relatedNode, attrNode2);
    });
  });

  var oldNode = el.setAttributeNode(attrNode2);
  assert_equals(oldNode, attrNode1,
                "Must return the old attr node from a setAttributeNode call");
}, "setAttributeNode, if it fires mutation events, should fire one with the new node when resetting an existing attribute (outer shell)");
setAttributeNode_mutation_test.done();

test(function(){
  var el = document.createElement("div")
  el.setAttribute("a", "b");
  el.setAttribute("c", "d");

  assert_array_equals(Array.prototype.map.call(el.attributes, function(a) { return a.name }),
                      ["a", "c"]);
  assert_array_equals(Array.prototype.map.call(el.attributes, function(a) { return a.value }),
                      ["b", "d"]);

  var attrNode = document.createAttribute("a");
  attrNode.value = "e";
  el.setAttributeNode(attrNode);

  assert_array_equals(Array.prototype.map.call(el.attributes, function(a) { return a.name }),
                      ["a", "c"]);
  assert_array_equals(Array.prototype.map.call(el.attributes, function(a) { return a.value }),
                      ["e", "d"]);
}, "setAttributeNode called with an Attr that has the same name as an existing one should not change attribute order");

test(function() {
  var el = document.createElement("div");
  el.setAttribute("foo", "bar");
  assert_equals(el.getAttributeNames().length, 1);
  assert_equals(el.getAttributeNames()[0], el.attributes[0].name);
  assert_equals(el.getAttributeNames()[0], "foo");

  el.removeAttribute("foo");
  assert_equals(el.getAttributeNames().length, 0);

  el.setAttribute("foo", "bar");
  el.setAttributeNS("", "FOO", "bar");
  el.setAttributeNS("dummy1", "foo", "bar");
  el.setAttributeNS("dummy2", "dummy:foo", "bar");
  assert_equals(el.getAttributeNames().length, 4);
  assert_equals(el.getAttributeNames()[0], "foo");
  assert_equals(el.getAttributeNames()[1], "FOO");
  assert_equals(el.getAttributeNames()[2], "foo");
  assert_equals(el.getAttributeNames()[3], "dummy:foo");
  assert_equals(el.getAttributeNames()[0], el.attributes[0].name);
  assert_equals(el.getAttributeNames()[1], el.attributes[1].name);
  assert_equals(el.getAttributeNames()[2], el.attributes[2].name);
  assert_equals(el.getAttributeNames()[3], el.attributes[3].name);

  el.removeAttributeNS("", "FOO");
  assert_equals(el.getAttributeNames().length, 3);
  assert_equals(el.getAttributeNames()[0], "foo");
  assert_equals(el.getAttributeNames()[1], "foo");
  assert_equals(el.getAttributeNames()[2], "dummy:foo");
  assert_equals(el.getAttributeNames()[0], el.attributes[0].name);
  assert_equals(el.getAttributeNames()[1], el.attributes[1].name);
  assert_equals(el.getAttributeNames()[2], el.attributes[2].name);
}, "getAttributeNames tests");

function getEnumerableOwnProps1(obj) {
  var arr = [];
  for (var prop in obj) {
    if (obj.hasOwnProperty(prop)) {
      arr.push(prop);
    }
  }
  return arr;
}

function getEnumerableOwnProps2(obj) {
  return Object.getOwnPropertyNames(obj).filter(
    function (name) { return Object.getOwnPropertyDescriptor(obj, name).enumerable; })
}

test(function() {
  var el = document.createElement("div");
  el.setAttribute("a", "");
  el.setAttribute("b", "");
  assert_array_equals(getEnumerableOwnProps1(el.attributes),
                      ["0", "1"])
  assert_array_equals(getEnumerableOwnProps2(el.attributes),
                      ["0", "1"])
  assert_array_equals(Object.getOwnPropertyNames(el.attributes),
                      ["0", "1", "a", "b"])
}, "Own property correctness with basic attributes");

test(function() {
  var el = document.createElement("div");
  el.setAttributeNS("", "a", "");
  el.setAttribute("b", "");
  el.setAttributeNS("foo", "a", "");
  assert_array_equals(getEnumerableOwnProps1(el.attributes),
                      ["0", "1", "2"])
  assert_array_equals(getEnumerableOwnProps2(el.attributes),
                      ["0", "1", "2"])
  assert_array_equals(Object.getOwnPropertyNames(el.attributes),
                      ["0", "1", "2", "a", "b"])
  for (var propName of Object.getOwnPropertyNames(el.attributes)) {
    assert_true(el.attributes[propName] instanceof Attr,
                "el.attributes has an Attr for property name " + propName);
  }
}, "Own property correctness with non-namespaced attribute before same-name namespaced one");

test(function() {
  var el = document.createElement("div");
  el.setAttributeNS("foo", "a", "");
  el.setAttribute("b", "");
  el.setAttributeNS("", "a", "");
  assert_array_equals(getEnumerableOwnProps1(el.attributes),
                      ["0", "1", "2"])
  assert_array_equals(getEnumerableOwnProps2(el.attributes),
                      ["0", "1", "2"])
  assert_array_equals(Object.getOwnPropertyNames(el.attributes),
                      ["0", "1", "2", "a", "b"])
  for (var propName of Object.getOwnPropertyNames(el.attributes)) {
    assert_true(el.attributes[propName] instanceof Attr,
                "el.attributes has an Attr for property name " + propName);
  }
}, "Own property correctness with namespaced attribute before same-name non-namespaced one");

test(function() {
  var el = document.createElement("div");
  el.setAttributeNS("foo", "a:b", "");
  el.setAttributeNS("foo", "c:d", "");
  el.setAttributeNS("bar", "a:b", "");
  assert_array_equals(getEnumerableOwnProps1(el.attributes),
                      ["0", "1", "2"])
  assert_array_equals(getEnumerableOwnProps2(el.attributes),
                      ["0", "1", "2"])
  assert_array_equals(Object.getOwnPropertyNames(el.attributes),
                      ["0", "1", "2", "a:b", "c:d"])
  for (var propName of Object.getOwnPropertyNames(el.attributes)) {
    assert_true(el.attributes[propName] instanceof Attr,
                "el.attributes has an Attr for property name " + propName);
  }
}, "Own property correctness with two namespaced attributes with the same name-with-prefix");

test(function() {
  var el = document.createElement("div");
  el.setAttributeNS("foo", "A:B", "");
  el.setAttributeNS("bar", "c:D", "");
  el.setAttributeNS("baz", "e:F", "");
  el.setAttributeNS("qux", "g:h", "");
  el.setAttributeNS("", "I", "");
  el.setAttributeNS("", "j", "");
  assert_array_equals(Object.getOwnPropertyNames(el.attributes),
                      ["0", "1", "2", "3", "4", "5", "g:h", "j"])
  for (var propName of Object.getOwnPropertyNames(el.attributes)) {
    assert_true(el.attributes[propName] instanceof Attr,
                "el.attributes has an Attr for property name " + propName);
  }
}, "Own property names should only include all-lowercase qualified names for an HTML element in an HTML document");

test(function() {
  var el = document.createElementNS("", "div");
  el.setAttributeNS("foo", "A:B", "");
  el.setAttributeNS("bar", "c:D", "");
  el.setAttributeNS("baz", "e:F", "");
  el.setAttributeNS("qux", "g:h", "");
  el.setAttributeNS("", "I", "");
  el.setAttributeNS("", "j", "");
  assert_array_equals(Object.getOwnPropertyNames(el.attributes),
                      ["0", "1", "2", "3", "4", "5", "A:B", "c:D", "e:F", "g:h", "I", "j"])
  for (var propName of Object.getOwnPropertyNames(el.attributes)) {
    assert_true(el.attributes[propName] instanceof Attr,
                "el.attributes has an Attr for property name " + propName);
  }
}, "Own property names should include all qualified names for a non-HTML element in an HTML document");

test(function() {
  var doc = document.implementation.createDocument(null, "");
  assert_equals(doc.contentType, "application/xml");
  var el = doc.createElementNS("http://www.w3.org/1999/xhtml", "div");
  el.setAttributeNS("foo", "A:B", "");
  el.setAttributeNS("bar", "c:D", "");
  el.setAttributeNS("baz", "e:F", "");
  el.setAttributeNS("qux", "g:h", "");
  el.setAttributeNS("", "I", "");
  el.setAttributeNS("", "j", "");
  assert_array_equals(Object.getOwnPropertyNames(el.attributes),
                      ["0", "1", "2", "3", "4", "5", "A:B", "c:D", "e:F", "g:h", "I", "j"])
  for (var propName of Object.getOwnPropertyNames(el.attributes)) {
    assert_true(el.attributes[propName] instanceof Attr,
                "el.attributes has an Attr for property name " + propName);
  }
}, "Own property names should include all qualified names for an HTML element in a non-HTML document");
</script>
