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-rw-r--r--js/xpconnect/tests/mochitest/test_bug390488.html64
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diff --git a/js/xpconnect/tests/mochitest/test_bug390488.html b/js/xpconnect/tests/mochitest/test_bug390488.html
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+++ b/js/xpconnect/tests/mochitest/test_bug390488.html
@@ -0,0 +1,64 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=390488
+-->
+<head>
+ <title>Test for Bug 390488</title>
+ <script 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=390488">Mozilla Bug 390488</a>
+<p id="display">
+ <div id="testdiv" onclick="checkForStacks();" style="visibility:hidden">
+ </div>
+</p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+
+/** Test for Bug 390488 **/
+ function getStack1() {
+ var func = arguments.callee.caller;
+ var stack = "";
+ for (var i = 1; func && i < 8; i++) {
+ stack += " " + i + ". " + func.name;
+ func = func.caller;
+ }
+ return stack;
+ }
+
+ function getStack2() {
+ var stack = new Error().stack;
+ // Remove the two lines due to calling this
+ return stack.substring(stack.indexOf("\n", stack.indexOf("\n")+1)+1);
+ }
+
+ function simulateClick() {
+ var evt = document.createEvent("MouseEvents");
+ evt.initMouseEvent("click", true, true, window,
+ 0, 0, 0, 0, 0, false, false, false, false, 0, null);
+ $("testdiv").dispatchEvent(evt);
+ }
+
+ function matches(s, p, name) {
+ ok(s.match(p) != null,
+ name + " - got " + s + ", expected a string matching " + p);
+ }
+
+ function checkForStacks() {
+ matches(getStack1(), /checkForStacks .* onclick .* simulateClick/,
+ "Stack from walking caller chain should be correct");
+ isnot(getStack2().indexOf("simulateClick@"), -1,
+ "Stack from |new Error().stack| should include simulateClick");
+ }
+
+ simulateClick();
+</script>
+</pre>
+</body>
+</html>
+