1 files changed, 62 insertions, 0 deletions
diff --git a/dom/base/test/test_bug313646.html b/dom/base/test/test_bug313646.html
new file mode 100644
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+++ b/dom/base/test/test_bug313646.html
@@ -0,0 +1,62 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=313646
+-->
+<head>
+  <title>Test for Bug 313646</title>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>        
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=313646">Mozilla Bug 313646</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+  
+</div>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+
+/** Test for Bug 313646 **/
+
+// dom/base/test/bug313646.txt
+
+SimpleTest.waitForExplicitFinish();
+
+var count1 = 0;
+var count2 = 0;
+var count3 = 0;
+var count4 = 0;
+var innerXHRDone = 0;
+var req = new XMLHttpRequest();
+req.onreadystatechange = function(evt) {
+  ++window["count" + evt.target.readyState];
+
+  // Do something a bit evil, start a new sync XHR in
+  // readyStateChange listener.
+  var innerXHR = new XMLHttpRequest();
+  innerXHR.onreadystatechange = function(e) {
+    if (e.target.readyState == 4) {
+      ++innerXHRDone;
+    }
+  }
+  innerXHR.open("GET","bug313646.txt", false);
+  innerXHR.send();
+}
+
+// make the synchronous request
+req.open("GET","bug313646.txt", false);
+req.send();
+
+ok(count1, "XMLHttpRequest wasn't in state 1");
+is(count2, 0, "XMLHttpRequest shouldn't have been in state 2");
+is(count3, 0, "XMLHttpRequest shouldn't have been in state 3");
+ok(count4, "XMLHttpRequest wasn't in state 4");
+is(innerXHRDone, 2, "There should have been 2 inner XHRs.");
+
+SimpleTest.finish();
+
+</script>
+</pre>
+</body>
+</html>