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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/168315">168315</a></dd>
<dt>Author</dt> <dd>matthew_hanson@apple.com</dd>
<dt>Date</dt> <dd>2014-05-05 14:13:03 -0700 (Mon, 05 May 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Copy js-test-pre and js-test-post from LayoutTests/fast/js/resources/ to LayoutTests/resources.

Merged tests (such as &lt;rdar://problem/16433711&gt;) expect these files
to live in LayoutTests/resources on the branch.

* resources/js-test-post.js: Added.
* resources/js-test-pre.js: Added.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#branchessafari53776branchLayoutTestsChangeLog">branches/safari-537.76-branch/LayoutTests/ChangeLog</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#branchessafari53776branchLayoutTestsresourcesjstestpostjs">branches/safari-537.76-branch/LayoutTests/resources/js-test-post.js</a></li>
<li><a href="#branchessafari53776branchLayoutTestsresourcesjstestprejs">branches/safari-537.76-branch/LayoutTests/resources/js-test-pre.js</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="branchessafari53776branchLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-537.76-branch/LayoutTests/ChangeLog (168314 => 168315)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-537.76-branch/LayoutTests/ChangeLog        2014-05-05 21:08:25 UTC (rev 168314)
+++ branches/safari-537.76-branch/LayoutTests/ChangeLog        2014-05-05 21:13:03 UTC (rev 168315)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2014-05-05  Matthew Hanson  &lt;matthew_hanson@apple.com&gt;
+
+        Copy js-test-pre and js-test-post from LayoutTests/fast/js/resources/ to LayoutTests/resources.
+
+        Merged tests (such as &lt;rdar://problem/16433711&gt;) expect these files
+        to live in LayoutTests/resources on the branch.
+
+        Unreviewed.
+
+        * resources/js-test-post.js: Added.
+        * resources/js-test-pre.js: Added.
+
</ins><span class="cx"> 2014-05-02  Matthew Hanson  &lt;matthew_hanson@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Merge r166420.
</span></span></pre></div>
<a id="branchessafari53776branchLayoutTestsresourcesjstestpostjs"></a>
<div class="addfile"><h4>Added: branches/safari-537.76-branch/LayoutTests/resources/js-test-post.js (0 => 168315)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-537.76-branch/LayoutTests/resources/js-test-post.js                                (rev 0)
+++ branches/safari-537.76-branch/LayoutTests/resources/js-test-post.js        2014-05-05 21:13:03 UTC (rev 168315)
</span><span class="lines">@@ -0,0 +1,9 @@
</span><ins>+wasPostTestScriptParsed = true;
+
+if (window.jsTestIsAsync) {
+    if (window.testRunner)
+        testRunner.waitUntilDone();
+    if (window.wasFinishJSTestCalled)
+        finishJSTest();
+} else
+    finishJSTest();
</ins></span></pre></div>
<a id="branchessafari53776branchLayoutTestsresourcesjstestprejs"></a>
<div class="addfile"><h4>Added: branches/safari-537.76-branch/LayoutTests/resources/js-test-pre.js (0 => 168315)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-537.76-branch/LayoutTests/resources/js-test-pre.js                                (rev 0)
+++ branches/safari-537.76-branch/LayoutTests/resources/js-test-pre.js        2014-05-05 21:13:03 UTC (rev 168315)
</span><span class="lines">@@ -0,0 +1,667 @@
</span><ins>+// svg/dynamic-updates tests set enablePixelTesting=true, as we want to dump text + pixel results
+if (self.testRunner)
+    testRunner.dumpAsText(self.enablePixelTesting);
+
+var description, debug, successfullyParsed, errorMessage;
+
+(function() {
+
+    function getOrCreate(id, tagName)
+    {
+        var element = document.getElementById(id);
+        if (element)
+            return element;
+
+        element = document.createElement(tagName);
+        element.id = id;
+        var refNode;
+        var parent = document.body || document.documentElement;
+        if (id == &quot;description&quot;)
+            refNode = getOrCreate(&quot;console&quot;, &quot;div&quot;);
+        else
+            refNode = parent.firstChild;
+
+        parent.insertBefore(element, refNode);
+        return element;
+    }
+
+    description = function description(msg, quiet)
+    {
+        // For MSIE 6 compatibility
+        var span = document.createElement(&quot;span&quot;);
+        if (quiet)
+            span.innerHTML = '&lt;p&gt;' + msg + '&lt;/p&gt;&lt;p&gt;On success, you will see no &quot;&lt;span class=&quot;fail&quot;&gt;FAIL&lt;/span&gt;&quot; messages, followed by &quot;&lt;span class=&quot;pass&quot;&gt;TEST COMPLETE&lt;/span&gt;&quot;.&lt;/p&gt;';
+        else
+            span.innerHTML = '&lt;p&gt;' + msg + '&lt;/p&gt;&lt;p&gt;On success, you will see a series of &quot;&lt;span class=&quot;pass&quot;&gt;PASS&lt;/span&gt;&quot; messages, followed by &quot;&lt;span class=&quot;pass&quot;&gt;TEST COMPLETE&lt;/span&gt;&quot;.&lt;/p&gt;';
+
+        var description = getOrCreate(&quot;description&quot;, &quot;p&quot;);
+        if (description.firstChild)
+            description.replaceChild(span, description.firstChild);
+        else
+            description.appendChild(span);
+    };
+
+    debug = function debug(msg)
+    {
+        var span = document.createElement(&quot;span&quot;);
+        getOrCreate(&quot;console&quot;, &quot;div&quot;).appendChild(span); // insert it first so XHTML knows the namespace
+        span.innerHTML = msg + '&lt;br /&gt;';
+    };
+
+    var css =
+        &quot;.pass {&quot; +
+            &quot;font-weight: bold;&quot; +
+            &quot;color: green;&quot; +
+        &quot;}&quot; +
+        &quot;.fail {&quot; +
+            &quot;font-weight: bold;&quot; +
+            &quot;color: red;&quot; +
+        &quot;}&quot; +
+        &quot;#console {&quot; +
+            &quot;white-space: pre-wrap;&quot; +
+            &quot;font-family: monospace;&quot; +
+        &quot;}&quot;;
+
+    function insertStyleSheet()
+    {
+        var styleElement = document.createElement(&quot;style&quot;);
+        styleElement.textContent = css;
+        (document.head || document.documentElement).appendChild(styleElement);
+    }
+
+    if (!isWorker())
+        insertStyleSheet();
+
+    self.onerror = function(message)
+    {
+        errorMessage = message;
+    };
+
+})();
+
+function isWorker()
+{
+    // It's conceivable that someone would stub out 'document' in a worker so
+    // also check for childNodes, an arbitrary DOM-related object that is
+    // meaningless in a WorkerContext.
+    return (typeof document === 'undefined' || typeof document.childNodes === 'undefined') &amp;&amp; !!self.importScripts;
+}
+
+function descriptionQuiet(msg) { description(msg, true); }
+
+function escapeHTML(text)
+{
+    return text.replace(/&amp;/g, &quot;&amp;amp;&quot;).replace(/&lt;/g, &quot;&amp;lt;&quot;).replace(/\0/g, &quot;\\0&quot;);
+}
+
+function testPassed(msg)
+{
+    debug('&lt;span&gt;&lt;span class=&quot;pass&quot;&gt;PASS&lt;/span&gt; ' + escapeHTML(msg) + '&lt;/span&gt;');
+}
+
+function testFailed(msg)
+{
+    debug('&lt;span&gt;&lt;span class=&quot;fail&quot;&gt;FAIL&lt;/span&gt; ' + escapeHTML(msg) + '&lt;/span&gt;');
+}
+
+function areArraysEqual(_a, _b)
+{
+    try {
+        if (_a.length !== _b.length)
+            return false;
+        for (var i = 0; i &lt; _a.length; i++)
+            if (_a[i] !== _b[i])
+                return false;
+    } catch (ex) {
+        return false;
+    }
+    return true;
+}
+
+function isMinusZero(n)
+{
+    // the only way to tell 0 from -0 in JS is the fact that 1/-0 is
+    // -Infinity instead of Infinity
+    return n === 0 &amp;&amp; 1/n &lt; 0;
+}
+
+function isResultCorrect(_actual, _expected)
+{
+    if (_expected === 0)
+        return _actual === _expected &amp;&amp; (1/_actual) === (1/_expected);
+    if (_actual === _expected)
+        return true;
+    if (typeof(_expected) == &quot;number&quot; &amp;&amp; isNaN(_expected))
+        return typeof(_actual) == &quot;number&quot; &amp;&amp; isNaN(_actual);
+    if (_expected &amp;&amp; (Object.prototype.toString.call(_expected) == Object.prototype.toString.call([])))
+        return areArraysEqual(_actual, _expected);
+    return false;
+}
+
+function stringify(v)
+{
+    if (v === 0 &amp;&amp; 1/v &lt; 0)
+        return &quot;-0&quot;;
+    else return &quot;&quot; + v;
+}
+
+function evalAndLog(_a, _quiet)
+{
+  if (typeof _a != &quot;string&quot;)
+    debug(&quot;WARN: tryAndLog() expects a string argument&quot;);
+
+  // Log first in case things go horribly wrong or this causes a sync event.
+  if (!_quiet)
+    debug(_a);
+
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+    testFailed(_a + &quot; threw exception &quot; + e);
+  }
+  return _av;
+}
+
+function shouldBe(_a, _b, quiet)
+{
+  if (typeof _a != &quot;string&quot; || typeof _b != &quot;string&quot;)
+    debug(&quot;WARN: shouldBe() expects string arguments&quot;);
+  var exception;
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+     exception = e;
+  }
+  var _bv = eval(_b);
+
+  if (exception)
+    testFailed(_a + &quot; should be &quot; + _bv + &quot;. Threw exception &quot; + exception);
+  else if (isResultCorrect(_av, _bv)) {
+    if (!quiet) {
+        testPassed(_a + &quot; is &quot; + _b);
+    }
+  } else if (typeof(_av) == typeof(_bv))
+    testFailed(_a + &quot; should be &quot; + _bv + &quot;. Was &quot; + stringify(_av) + &quot;.&quot;);
+  else
+    testFailed(_a + &quot; should be &quot; + _bv + &quot; (of type &quot; + typeof _bv + &quot;). Was &quot; + _av + &quot; (of type &quot; + typeof _av + &quot;).&quot;);
+}
+
+// Execute condition every 5 milliseconds until it succeed or failureTime is reached.
+// completionHandler is executed on success, failureHandler is executed on timeout.
+function _waitForCondition(condition, failureTime, completionHandler, failureHandler)
+{
+  if (condition()) {
+    completionHandler();
+  } else if (Date.now() &gt; failureTime) {
+    failureHandler();
+  } else {
+    setTimeout(_waitForCondition, 5, condition, failureTime, completionHandler, failureHandler);
+  }
+}
+
+function shouldBecomeEqual(_a, _b, completionHandler, timeout)
+{
+  if (typeof _a != &quot;string&quot; || typeof _b != &quot;string&quot;)
+    debug(&quot;WARN: shouldBecomeEqual() expects string arguments&quot;);
+
+  if (timeout === undefined)
+    timeout = 500;
+
+  var condition = function() {
+    var exception;
+    var _av;
+    try {
+      _av = eval(_a);
+    } catch (e) {
+      exception = e;
+    }
+    var _bv = eval(_b);
+    if (exception)
+      testFailed(_a + &quot; should become &quot; + _bv + &quot;. Threw exception &quot; + exception);
+    if (isResultCorrect(_av, _bv)) {
+      testPassed(_a + &quot; became &quot; + _b);
+      return true;
+    }
+    return false;
+  };
+  var failureTime = Date.now() + timeout;
+  var failureHandler = function () {
+    testFailed(_a + &quot; failed to change to &quot; + _b + &quot; in &quot; + (timeout / 1000) + &quot; seconds.&quot;);
+    completionHandler();
+  };
+  _waitForCondition(condition, failureTime, completionHandler, failureHandler);
+}
+
+function shouldBecomeEqualToString(value, reference, completionHandler, timeout)
+{
+  if (typeof value !== &quot;string&quot; || typeof reference !== &quot;string&quot;)
+    debug(&quot;WARN: shouldBecomeEqualToString() expects string arguments&quot;);
+  var unevaledString = JSON.stringify(reference);
+  shouldBecomeEqual(value, unevaledString, completionHandler, timeout);
+}
+
+function shouldBeType(_a, _type) {
+  var exception;
+  var _av;
+  try {
+    _av = eval(_a);
+  } catch (e) {
+    exception = e;
+  }
+
+  var _typev = eval(_type);
+  if (_av instanceof _typev) {
+    testPassed(_a + &quot; is an instance of &quot; + _type);
+  } else {
+    testFailed(_a + &quot; is not an instance of &quot; + _type);
+  }
+}
+
+// Variant of shouldBe()--confirms that result of eval(_to_eval) is within
+// numeric _tolerance of numeric _target.
+function shouldBeCloseTo(_to_eval, _target, _tolerance, quiet)
+{
+  if (typeof _to_eval != &quot;string&quot;) {
+    testFailed(&quot;shouldBeCloseTo() requires string argument _to_eval. was type &quot; + typeof _to_eval);
+    return;
+  }
+  if (typeof _target != &quot;number&quot;) {
+    testFailed(&quot;shouldBeCloseTo() requires numeric argument _target. was type &quot; + typeof _target);
+    return;
+  }
+  if (typeof _tolerance != &quot;number&quot;) {
+    testFailed(&quot;shouldBeCloseTo() requires numeric argument _tolerance. was type &quot; + typeof _tolerance);
+    return;
+  }
+
+  var _result;
+  try {
+     _result = eval(_to_eval);
+  } catch (e) {
+    testFailed(_to_eval + &quot; should be within &quot; + _tolerance + &quot; of &quot;
+               + _target + &quot;. Threw exception &quot; + e);
+    return;
+  }
+
+  if (typeof(_result) != typeof(_target)) {
+    testFailed(_to_eval + &quot; should be of type &quot; + typeof _target
+               + &quot; but was of type &quot; + typeof _result);
+  } else if (Math.abs(_result - _target) &lt;= _tolerance) {
+    if (!quiet) {
+        testPassed(_to_eval + &quot; is within &quot; + _tolerance + &quot; of &quot; + _target);
+    }
+  } else {
+    testFailed(_to_eval + &quot; should be within &quot; + _tolerance + &quot; of &quot; + _target
+               + &quot;. Was &quot; + _result + &quot;.&quot;);
+  }
+}
+
+function shouldNotBe(_a, _b, quiet)
+{
+  if (typeof _a != &quot;string&quot; || typeof _b != &quot;string&quot;)
+    debug(&quot;WARN: shouldNotBe() expects string arguments&quot;);
+  var exception;
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+     exception = e;
+  }
+  var _bv = eval(_b);
+
+  if (exception)
+    testFailed(_a + &quot; should not be &quot; + _bv + &quot;. Threw exception &quot; + exception);
+  else if (!isResultCorrect(_av, _bv)) {
+    if (!quiet) {
+        testPassed(_a + &quot; is not &quot; + _b);
+    }
+  } else
+    testFailed(_a + &quot; should not be &quot; + _bv + &quot;.&quot;);
+}
+
+function shouldBecomeDifferent(_a, _b, completionHandler, timeout)
+{
+  if (typeof _a != &quot;string&quot; || typeof _b != &quot;string&quot;)
+    debug(&quot;WARN: shouldBecomeDifferent() expects string arguments&quot;);
+  if (timeout === undefined)
+    timeout = 500;
+
+  var condition = function() {
+    var exception;
+    var _av;
+    try {
+      _av = eval(_a);
+    } catch (e) {
+      exception = e;
+    }
+    var _bv = eval(_b);
+    if (exception)
+      testFailed(_a + &quot; should became not equal to &quot; + _bv + &quot;. Threw exception &quot; + exception);
+    if (!isResultCorrect(_av, _bv)) {
+      testPassed(_a + &quot; became different from &quot; + _b);
+      return true;
+    }
+    return false;
+  };
+  var failureTime = Date.now() + timeout;
+  var failureHandler = function () {
+    testFailed(_a + &quot; did not become different from &quot; + _b + &quot; in &quot; + (timeout / 1000) + &quot; seconds.&quot;);
+    completionHandler();
+  };
+  _waitForCondition(condition, failureTime, completionHandler, failureHandler);
+}
+
+function shouldBeTrue(_a) { shouldBe(_a, &quot;true&quot;); }
+function shouldBeTrueQuiet(_a) { shouldBe(_a, &quot;true&quot;, true); }
+function shouldBeFalse(_a) { shouldBe(_a, &quot;false&quot;); }
+function shouldBeNaN(_a) { shouldBe(_a, &quot;NaN&quot;); }
+function shouldBeNull(_a) { shouldBe(_a, &quot;null&quot;); }
+function shouldBeZero(_a) { shouldBe(_a, &quot;0&quot;); }
+
+function shouldBeEqualToString(a, b)
+{
+  if (typeof a !== &quot;string&quot; || typeof b !== &quot;string&quot;)
+    debug(&quot;WARN: shouldBeEqualToString() expects string arguments&quot;);
+  var unevaledString = JSON.stringify(b);
+  shouldBe(a, unevaledString);
+}
+
+function shouldBeEmptyString(_a) { shouldBeEqualToString(_a, &quot;&quot;); }
+
+function shouldEvaluateTo(actual, expected) {
+  // A general-purpose comparator.  'actual' should be a string to be
+  // evaluated, as for shouldBe(). 'expected' may be any type and will be
+  // used without being eval'ed.
+  if (expected == null) {
+    // Do this before the object test, since null is of type 'object'.
+    shouldBeNull(actual);
+  } else if (typeof expected == &quot;undefined&quot;) {
+    shouldBeUndefined(actual);
+  } else if (typeof expected == &quot;function&quot;) {
+    // All this fuss is to avoid the string-arg warning from shouldBe().
+    try {
+      actualValue = eval(actual);
+    } catch (e) {
+      testFailed(&quot;Evaluating &quot; + actual + &quot;: Threw exception &quot; + e);
+      return;
+    }
+    shouldBe(&quot;'&quot; + actualValue.toString().replace(/\n/g, &quot;&quot;) + &quot;'&quot;,
+             &quot;'&quot; + expected.toString().replace(/\n/g, &quot;&quot;) + &quot;'&quot;);
+  } else if (typeof expected == &quot;object&quot;) {
+    shouldBeTrue(actual + &quot; == '&quot; + expected + &quot;'&quot;);
+  } else if (typeof expected == &quot;string&quot;) {
+    shouldBe(actual, expected);
+  } else if (typeof expected == &quot;boolean&quot;) {
+    shouldBe(&quot;typeof &quot; + actual, &quot;'boolean'&quot;);
+    if (expected)
+      shouldBeTrue(actual);
+    else
+      shouldBeFalse(actual);
+  } else if (typeof expected == &quot;number&quot;) {
+    shouldBe(actual, stringify(expected));
+  } else {
+    debug(expected + &quot; is unknown type &quot; + typeof expected);
+    shouldBeTrue(actual, &quot;'&quot;  +expected.toString() + &quot;'&quot;);
+  }
+}
+
+function shouldBeNonZero(_a)
+{
+  var exception;
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+     exception = e;
+  }
+
+  if (exception)
+    testFailed(_a + &quot; should be non-zero. Threw exception &quot; + exception);
+  else if (_av != 0)
+    testPassed(_a + &quot; is non-zero.&quot;);
+  else
+    testFailed(_a + &quot; should be non-zero. Was &quot; + _av);
+}
+
+function shouldBeNonNull(_a)
+{
+  var exception;
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+     exception = e;
+  }
+
+  if (exception)
+    testFailed(_a + &quot; should be non-null. Threw exception &quot; + exception);
+  else if (_av != null)
+    testPassed(_a + &quot; is non-null.&quot;);
+  else
+    testFailed(_a + &quot; should be non-null. Was &quot; + _av);
+}
+
+function shouldBeUndefined(_a)
+{
+  var exception;
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+     exception = e;
+  }
+
+  if (exception)
+    testFailed(_a + &quot; should be undefined. Threw exception &quot; + exception);
+  else if (typeof _av == &quot;undefined&quot;)
+    testPassed(_a + &quot; is undefined.&quot;);
+  else
+    testFailed(_a + &quot; should be undefined. Was &quot; + _av);
+}
+
+function shouldBeDefined(_a)
+{
+  var exception;
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+     exception = e;
+  }
+
+  if (exception)
+    testFailed(_a + &quot; should be defined. Threw exception &quot; + exception);
+  else if (_av !== undefined)
+    testPassed(_a + &quot; is defined.&quot;);
+  else
+    testFailed(_a + &quot; should be defined. Was &quot; + _av);
+}
+
+function shouldBeGreaterThanOrEqual(_a, _b) {
+    if (typeof _a != &quot;string&quot; || typeof _b != &quot;string&quot;)
+        debug(&quot;WARN: shouldBeGreaterThanOrEqual expects string arguments&quot;);
+
+    var exception;
+    var _av;
+    try {
+        _av = eval(_a);
+    } catch (e) {
+        exception = e;
+    }
+    var _bv = eval(_b);
+
+    if (exception)
+        testFailed(_a + &quot; should be &gt;= &quot; + _b + &quot;. Threw exception &quot; + exception);
+    else if (typeof _av == &quot;undefined&quot; || _av &lt; _bv)
+        testFailed(_a + &quot; should be &gt;= &quot; + _b + &quot;. Was &quot; + _av + &quot; (of type &quot; + typeof _av + &quot;).&quot;);
+    else
+        testPassed(_a + &quot; is &gt;= &quot; + _b);
+}
+
+function shouldNotThrow(_a) {
+    try {
+        eval(_a);
+        testPassed(_a + &quot; did not throw exception.&quot;);
+    } catch (e) {
+        testFailed(_a + &quot; should not throw exception. Threw exception &quot; + e + &quot;.&quot;);
+    }
+}
+
+function shouldThrow(_a, _e)
+{
+  var exception;
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+     exception = e;
+  }
+
+  var _ev;
+  if (_e)
+      _ev =  eval(_e);
+
+  if (exception) {
+    if (typeof _e == &quot;undefined&quot; || exception == _ev)
+      testPassed(_a + &quot; threw exception &quot; + exception + &quot;.&quot;);
+    else
+      testFailed(_a + &quot; should throw &quot; + (typeof _e == &quot;undefined&quot; ? &quot;an exception&quot; : _ev) + &quot;. Threw exception &quot; + exception + &quot;.&quot;);
+  } else if (typeof _av == &quot;undefined&quot;)
+    testFailed(_a + &quot; should throw &quot; + (typeof _e == &quot;undefined&quot; ? &quot;an exception&quot; : _ev) + &quot;. Was undefined.&quot;);
+  else
+    testFailed(_a + &quot; should throw &quot; + (typeof _e == &quot;undefined&quot; ? &quot;an exception&quot; : _ev) + &quot;. Was &quot; + _av + &quot;.&quot;);
+}
+
+function shouldHaveHadError(message)
+{
+    if (errorMessage) {
+        if (!message)
+            testPassed(&quot;Got expected error&quot;);
+        else if (errorMessage.indexOf(message) !== -1)
+            testPassed(&quot;Got expected error: '&quot; + message + &quot;'&quot;);
+        else
+            testFailed(&quot;Unexpexted error '&quot; + message + &quot;'&quot;);
+    } else
+        testFailed(&quot;Missing expexted error&quot;);
+    errorMessage = undefined;
+}
+
+function gc() {
+    if (typeof GCController !== &quot;undefined&quot;)
+        GCController.collect();
+    else {
+        var gcRec = function (n) {
+            if (n &lt; 1)
+                return {};
+            var temp = {i: &quot;ab&quot; + i + (i / 100000)};
+            temp += &quot;foo&quot;;
+            gcRec(n-1);
+        };
+        for (var i = 0; i &lt; 1000; i++)
+            gcRec(10)
+    }
+}
+
+function isSuccessfullyParsed()
+{
+    // FIXME: Remove this and only report unexpected syntax errors.
+    if (!errorMessage)
+        successfullyParsed = true;
+    shouldBeTrue(&quot;successfullyParsed&quot;);
+    debug('&lt;br /&gt;&lt;span class=&quot;pass&quot;&gt;TEST COMPLETE&lt;/span&gt;');
+}
+
+// It's possible for an async test to call finishJSTest() before js-test-post.js
+// has been parsed.
+function finishJSTest()
+{
+    wasFinishJSTestCalled = true;
+    if (!self.wasPostTestScriptParsed)
+        return;
+    isSuccessfullyParsed();
+    if (self.jsTestIsAsync &amp;&amp; self.testRunner)
+        testRunner.notifyDone();
+}
+
+function startWorker(testScriptURL, shared)
+{
+    self.jsTestIsAsync = true;
+    debug('Starting worker: ' + testScriptURL);
+    var worker = shared ? new SharedWorker(testScriptURL, &quot;Shared Worker&quot;) : new Worker(testScriptURL);
+    worker.onmessage = function(event)
+    {
+        var workerPrefix = &quot;[Worker] &quot;;
+        if (event.data.length &lt; 5 || event.data.charAt(4) != ':') {
+          debug(workerPrefix + event.data);
+          return;
+        }
+        var code = event.data.substring(0, 4);
+        var payload = workerPrefix + event.data.substring(5);
+        if (code == &quot;PASS&quot;)
+            testPassed(payload);
+        else if (code == &quot;FAIL&quot;)
+            testFailed(payload);
+        else if (code == &quot;DESC&quot;)
+            description(payload);
+        else if (code == &quot;DONE&quot;)
+            finishJSTest();
+        else
+            debug(workerPrefix + event.data);
+    };
+
+    worker.onerror = function(event)
+    {
+        debug('Got error from worker: ' + event.message);
+        finishJSTest();
+    }
+
+    if (shared) {
+        worker.port.onmessage = function(event) { worker.onmessage(event); };
+        worker.port.start();
+    }
+    return worker;
+}
+
+if (isWorker()) {
+    var workerPort = self;
+    if (self.name == &quot;Shared Worker&quot;) {
+        self.onconnect = function(e) {
+            workerPort = e.ports[0];
+            workerPort.onmessage = function(event)
+            {
+                var colon = event.data.indexOf(&quot;:&quot;);
+                if (colon == -1) {
+                    testFailed(&quot;Unrecognized message to shared worker: &quot; + event.data);
+                    return;
+                }
+                var code = event.data.substring(0, colon);
+                var payload = event.data.substring(colon + 1);
+                try {
+                    if (code == &quot;IMPORT&quot;)
+                        importScripts(payload);
+                    else
+                        testFailed(&quot;Unrecognized message to shared worker: &quot; + event.data);
+                } catch (ex) {
+                    testFailed(&quot;Caught exception in shared worker onmessage: &quot; + ex);
+                }
+            };
+        };
+    }
+    description = function(msg, quiet) {
+        workerPort.postMessage('DESC:' + msg);
+    }
+    testFailed = function(msg) {
+        workerPort.postMessage('FAIL:' + msg);
+    }
+    testPassed = function(msg) {
+        workerPort.postMessage('PASS:' + msg);
+    }
+    finishJSTest = function() {
+        workerPort.postMessage('DONE:');
+    }
+    debug = function(msg) {
+        workerPort.postMessage(msg);
+    }
+}
</ins></span></pre>
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