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<!doctype html>
<meta charset=utf-8>
<title>HTMLCollection and empty names</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<div id=log></div>
<div id=test>
<div class=a id></div>
<div class=a name></div>
<a class=a name></a>
</div>
<script>
test(function() {
var c = document.getElementsByTagName("*");
assert_false("" in c, "Empty string should not be in the collection.");
assert_equals(c[""], undefined, "Named getter should return undefined for empty string.");
assert_equals(c.namedItem(""), null, "namedItem should return null for empty string.");
}, "Empty string as a name for Document.getElementsByTagName");
test(function() {
var div = document.getElementById("test");
var c = div.getElementsByTagName("*");
assert_false("" in c, "Empty string should not be in the collection.");
assert_equals(c[""], undefined, "Named getter should return undefined for empty string.");
assert_equals(c.namedItem(""), null, "namedItem should return null for empty string.");
}, "Empty string as a name for Element.getElementsByTagName");
test(function() {
var c = document.getElementsByTagNameNS("http://www.w3.org/1999/xhtml", "a");
assert_false("" in c, "Empty string should not be in the collection.");
assert_equals(c[""], undefined, "Named getter should return undefined for empty string.");
assert_equals(c.namedItem(""), null, "namedItem should return null for empty string.");
}, "Empty string as a name for Document.getElementsByTagNameNS");
test(function() {
var div = document.getElementById("test");
var c = div.getElementsByTagNameNS("http://www.w3.org/1999/xhtml", "a");
assert_false("" in c, "Empty string should not be in the collection.");
assert_equals(c[""], undefined, "Named getter should return undefined for empty string.");
assert_equals(c.namedItem(""), null, "namedItem should return null for empty string.");
}, "Empty string as a name for Element.getElementsByTagNameNS");
test(function() {
var c = document.getElementsByClassName("a");
assert_false("" in c, "Empty string should not be in the collection.");
assert_equals(c[""], undefined, "Named getter should return undefined for empty string.");
assert_equals(c.namedItem(""), null, "namedItem should return null for empty string.");
}, "Empty string as a name for Document.getElementsByClassName");
test(function() {
var div = document.getElementById("test");
var c = div.getElementsByClassName("a");
assert_false("" in c, "Empty string should not be in the collection.");
assert_equals(c[""], undefined, "Named getter should return undefined for empty string.");
assert_equals(c.namedItem(""), null, "namedItem should return null for empty string.");
}, "Empty string as a name for Element.getElementsByClassName");
test(function() {
var div = document.getElementById("test");
var c = div.children;
assert_false("" in c, "Empty string should not be in the collection.");
assert_equals(c[""], undefined, "Named getter should return undefined for empty string.");
assert_equals(c.namedItem(""), null, "namedItem should return null for empty string.");
}, "Empty string as a name for Element.children");
</script>
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