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diff --git a/dom/tests/mochitest/bugs/test_errorReporting.html b/dom/tests/mochitest/bugs/test_errorReporting.html
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+++ b/dom/tests/mochitest/bugs/test_errorReporting.html
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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1070842
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 1070842</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+ <script type="application/javascript">
+
+ /** Test for error reporting behavior. **/
+ SimpleTest.waitForExplicitFinish();
+
+ function testErrorReportingHelper(f, rgxp, preventDefault) {
+ return new Promise(function(resolve, reject) {
+ window.addEventListener('error', function l(e) {
+ window.removeEventListener('error', l);
+ ok(rgxp.test(e.message), "Should get message matching " + rgxp + ". Got: " + e.message);
+ var expectedMessages;
+ if (preventDefault) {
+ e.preventDefault();
+ expectedMessages = [];
+ } else {
+ expectedMessages = [{message: rgxp}];
+ }
+ SimpleTest.monitorConsole(resolve, expectedMessages, /* forbidUnexpectedMsgs = */ true);
+ setTimeout(SimpleTest.endMonitorConsole.bind(SimpleTest), 0);
+ });
+
+ // Notify the test harness to avoid treating the next exception as a test failure.
+ SimpleTest.expectUncaughtException();
+
+ // Invoke the function async so that the exception doesn't get eaten by
+ // the Promise machinery.
+ setTimeout(f, 0);
+ });
+ }
+ function testErrorReporting(f, rgxp) {
+ return new Promise(function(resolve, reject) {
+ testErrorReportingHelper.bind(null, f, rgxp, false)().then(
+ testErrorReportingHelper.bind(null, f, rgxp, true)).then(
+ resolve);
+ });
+ }
+
+ function go() {
+ var otherWin = $('emptyFrame').contentWindow;
+ var clickMe = $('clickMe');
+ testErrorReporting.bind(null, () => { throw Error("Simple Error") }, /Simple Error/)().then(
+ testErrorReporting.bind(null, () => otherWin.eval('throw Error("Cross Global Error")'), /Cross Global Error/)).then(
+ testErrorReporting.bind(null, () => clickMe.dispatchEvent(new MouseEvent('click')), /thrwan/)).then(
+ testErrorReporting.bind(null, () => { clickMe.setAttribute('onclick', ' '); /* Make sure we recompile. */
+ clickMe.setAttribute('onclick', '?');
+ clickMe.onclick; }, /SyntaxError/)).then(
+ SimpleTest.finish.bind(SimpleTest));
+ }
+
+ </script>
+</head>
+<body onload="go();">
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1070842">Mozilla Bug 1070842</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+<button id="clickMe" onclick="thrwan.error;">Click Me</button>
+<iframe id="emptyFrame"></iframe>
+
+</div>
+<pre id="test">
+</pre>
+</body>
+</html>