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diff --git a/dom/base/test/file_bug357450.js b/dom/base/test/file_bug357450.js
new file mode 100644
index 000000000..c432052b8
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+++ b/dom/base/test/file_bug357450.js
@@ -0,0 +1,64 @@
+/** Test for Bug 357450 **/
+
+SimpleTest.waitForExplicitFinish();
+
+function testGetElements (root, classtestCount) {
+
+  ok(root.getElementsByClassName, "getElementsByClassName exists");
+  is(typeof(root.getElementsByClassName), "function", "getElementsByClassName is a function");
+
+  var nodes = root.getElementsByClassName("f");
+
+  is(typeof(nodes.item), "function");
+  is(typeof(nodes.length), "number");
+  is(nodes.length, 0, "string with no matching class should get an empty list");
+
+  nodes = root.getElementsByClassName("foo");
+  ok(nodes, "should have nodelist object");
+
+  // HTML5 says ints are allowed in class names
+  // should match int class
+
+  nodes = root.getElementsByClassName("1");
+  is(nodes[0], $('int-class'), "match integer class name");
+  nodes = root.getElementsByClassName([1]);
+  is(nodes[0], $('int-class'), "match integer class name 2");
+  nodes = root.getElementsByClassName(["1 junk"]);
+
+  is(nodes.length, 0, "two classes, but no elements have both");
+
+  nodes = root.getElementsByClassName("test1");
+  is(nodes[0], $('test1'), "Id and class name turn up the same node");
+  nodes = root.getElementsByClassName("test1 test2");
+  is(nodes.length, 0, "two classes, but no elements have both");
+
+  // WHATWG examples
+  nodes = document.getElementById('example').getElementsByClassName('aaa');
+  is(nodes.length, 2, "returns 2 elements");
+
+  nodes = document.getElementById('example').getElementsByClassName('ccc bbb') 
+  is(nodes.length, 1, "only match elements that have all the classes specified in that array. tokenize string arg.")
+  is(nodes[0], $('p3'), "matched tokenized string");
+
+  nodes = document.getElementById('example').getElementsByClassName('');
+  is(nodes.length, 0, "class name with empty string shouldn't return nodes");
+
+  nodes = root.getElementsByClassName({});
+  ok(nodes, "bogus arg shouldn't be null");
+  is(typeof(nodes.item), "function");
+  is(typeof(nodes.length), "number");
+  is(nodes.length, 0, "bogus arg should get an empty nodelist");
+}
+
+addLoadEvent(function() {
+  if (document.getElementsByName) {
+    var anchorNodes = document.getElementsByName("nametest");
+    is(anchorNodes.length, 1, "getElementsByName still works");
+    is(anchorNodes[0].getAttribute("name"), "nametest", 
+       "getElementsByName still works");
+  }
+  testGetElements($("content"), 1);
+  testGetElements(document.documentElement, 3);
+  testGetElements(document, 3); 
+});
+addLoadEvent(SimpleTest.finish);