ppapi/tests/test_case.html - chromium/src.git - Git at Google

 <html><head>
 <meta http-equiv="Pragma" content="no-cache" />
 <meta http-equiv="Expires" content="-1" />
 <link rel="stylesheet" href="test_page.css">
 <script>
 // Do a deep comparison of two values. Return true if their values are
 // identical, false otherwise.
 function deepCompare(left, right) {
   if (typeof(left) !== typeof(right))
     return false;
   // If their identity is the same or they're basic types with the same value,
   // they are equal.
   if (left === right)
     return true;
   // If it's a basic type and we got here, we know they're not equal.
   if (["undefined", "boolean", "number", "string", "function"].indexOf(
           typeof(left)) > -1) {
     return false;
   }
   // Use right_keys as a set containing all keys from |right| which we haven't
   // yet compared.
   var right_keys = {};
   for (var key in right)
     right_keys[key] = true;
   for (var key in left) {
     if (key in right_keys) {
        if (!deepCompare(left[key], right[key]))
         return false;
     } else {
       // |left| had a key that |right| didn't.
       return false;
     }
     delete right_keys[key];
   }
   // If there are keys left in |right_keys|, it means they didn't exist in
   // |left|, so the objects aren't equal.
   if (Object.keys(right_keys).length > 0)
     return false;
   return true;
 }

 function AdjustHeight(frameWin) {
   var div = frameWin.document.getElementsByTagName("div")[0];
   var height = frameWin.getComputedStyle(div).height;
   frameWin.frameElement.style.height = height;
 }

 // Called when the tests are completed. |result| should be "PASS" if the test(s)
 // passed, or information about the failure if the test(s) did not pass.
 function DidExecuteTests(result) {
   var plugin = document.getElementById("plugin");
   if (plugin.parentNode.removePlugin) {
     plugin.parentNode.removeChild(plugin);
     plugin = undefined;
   }
   if (CheckPostConditions())
     sendAutomationMessage(result);

   if (window == top)
     return;

   // Otherwise, we are in a subframe, so we can use this opportunity to resize
   // ourselves.  This can only be done if the parent frame has the same origin.
   if (window.frameElement)
     AdjustHeight(window);
 }

 function AppendFrame(testcase, i) {
   var p = document.createElement("P");
   p.setAttribute("class", "frame-container");

   var title = document.createElement("H2");
   title.appendChild(document.createTextNode(testcase));
   p.appendChild(title);

   var frame = document.createElement("IFRAME");
   var mode = ExtractSearchParameter("mode");
   var websocket_host = ExtractSearchParameter("websocket_host");
   var websocket_port = ExtractSearchParameter("websocket_port");
   var ssl_server_port = ExtractSearchParameter("ssl_server_port");
   var src = "?testcase=" + testcase;
   if (mode == "nacl")
     src += "&mode=nacl";
   if (websocket_host != "")
     src += "&websocket_host=" + websocket_host;
   if (websocket_port != "")
     src += "&websocket_port=" + websocket_port;
   if (ssl_server_port != "")
     src += "&ssl_server_port=" + ssl_server_port;
   frame.setAttribute("src", src);

   frame.setAttribute("onload", "LoadNext(" + (i + 1) + ")");
   p.appendChild(frame);

   document.body.appendChild(p);
 }

 function LoadNext(i) {
   var links = document.links;
   if (links.length > i)
     AppendFrame(links[i].firstChild.nodeValue, i);
 }

 function RunAll() {
   // Remove any existing frames.
   var existing = document.getElementsByClassName("frame-container");
   while (existing.length)
     existing[0].parentNode.removeChild(existing[0]);

   // Add new frames for each test, but do so one frame at a time.
   LoadNext(0);
 }

 function ExtractSearchParameter(name) {
   var nameIndex = location.search.indexOf(name + "=");
   if (nameIndex != -1) {
     var value = location.search.substring(nameIndex + name.length + 1);
     var endIndex = value.indexOf("&");
     if (endIndex != -1)
       value = value.substring(0, endIndex);
     return value;
   }
   return "";
 }

 // Parses the message, looking for strings of the form:
 // TESTING_MESSAGE:<message_type>:<message_contents>
 //
 // If the message_data is not a string or does not match the above format, then
 // undefined is returned.
 //
 // Otherwise, returns an array containing 2 items. The 0th element is the
 // message_type, one of:
 //  - AddPostCondition
 //  - ClearConsole
 //  - DidExecuteTests
 //  - EvalScript
 //  - LogHTML
 //  - RemovePluginWhenFinished
 //  - ReportProgress
 // The second item is the verbatim message_contents.
 function ParseTestingMessage(message_data) {
   if (typeof(message_data) != "string")
     return undefined;
   var testing_message_prefix = "TESTING_MESSAGE";
   var delim_str = ":";
   var delim1 = message_data.indexOf(delim_str);
   if (message_data.substring(0, delim1) !== testing_message_prefix)
     return undefined;
   var delim2 = message_data.indexOf(delim_str, delim1 + 1);
   if (delim2 == -1)
     delim2 = message_data.length;
   var message_type = message_data.substring(delim1 + 1, delim2);
   var message_contents = message_data.substring(delim2 + 1);
   return [message_type, message_contents];
 }

 function ClearConsole() {
   window.document.getElementById("console").innerHTML = "";
 }

 function LogHTML(html) {
   window.document.getElementById("console").innerHTML += html;
 }

 function RemovePluginWhenFinished() {
   window.document.getElementById("container").removePlugin = true;
 }

 function sendAutomationMessage(msg) {
   if (window.domAutomationController) {
     window.domAutomationController.setAutomationId(0);
     window.domAutomationController.send(msg);
   }
 }

 function LogTestTime(test_time) {
   console.log(test_time);
 }

 // If something goes really wrong, the test running inside the plugin may not
 // terminate.  For example, if the plugin does not load, the test will never
 // send "PASS" to the browser.  In this case we should explicitly use the
 // automation controller to terminate the test.
 function InternalError(msg) {
   LogHTML("<p>" + msg);
   sendAutomationMessage(msg);
 }

 function EvalScript(script) {
   try {
     eval(script);
   } catch(ex) {
   }
 }

 var conditions = [];
 // Add a "PostCondition". These are bits of script that are run after the plugin
 // is destroyed. If they evaluate to false or throw an exception, it's
 // considered a failure.
 function AddPostCondition(script) {
   conditions.push(script);
 }
 // Update the HTML to show the failure and update cookies so that ui_tests
 // doesn't count this as a pass.
 function ConditionFailed(error) {
   error_string = "Post condition check failed: " + error;
   InternalError(error_string);
 }
 // Iterate through the post conditions defined in |conditions| and check that
 // they all pass.
 function CheckPostConditions() {
   var success = true;
   for (var i = 0; i < conditions.length; ++i) {
     var script = conditions[i];
     try {
       if (!eval(script)) {
         ConditionFailed("\"" + script + "\"");
         success = false;
       }
     } catch (ex) {
       ConditionFailed("\"" + script + "\"" + " failed with exception: " +
                       "\"" + ex.toString() + "\"");
       success = false;
     }
   }
   return success;
 }

 function IsTestingMessage(message_data) {
   return (ParseTestingMessage(message_data) != undefined);
 }

 function handleTestingMessage(message_event) {
   var type_contents_tuple = ParseTestingMessage(message_event.data);
   if (type_contents_tuple) {
     var type = type_contents_tuple[0];
     var contents = type_contents_tuple[1];
     if (type === "AddPostCondition")
       AddPostCondition(contents);
     else if (type === "ClearConsole")
       ClearConsole();
     else if (type === "DidExecuteTests")
       DidExecuteTests(contents);
     else if (type === "EvalScript")
       EvalScript(contents);
     else if (type === "LogHTML")
       LogHTML(contents);
     else if (type === "RemovePluginWhenFinished")
       RemovePluginWhenFinished();
     else if (type === "ReportProgress")
       sendAutomationMessage(contents);
     else if (type === "LogTestTime")
       LogTestTime(contents);
   }
 }

 function sendProgress() {
   // We send "..." to signal that we're still working. See
   // ppapi/tests/testing_instance.h for how this works.
   sendAutomationMessage("...");
 }

 onload = function() {
   var testcase = ExtractSearchParameter("testcase");
   var mode = ExtractSearchParameter("mode");
   document.title = 'Test ' + testcase;
   var obj;
   if (mode == "nacl_newlib") {
     obj = document.createElement("EMBED");
     obj.setAttribute("src", "ppapi_nacl_tests_newlib.nmf");
     obj.setAttribute("type", "application/x-nacl");
     obj.setAttribute("mode", mode);
   } else if (mode == "nacl_glibc") {
     obj = document.createElement("EMBED");
     obj.setAttribute("src", "ppapi_nacl_tests_glibc.nmf");
     obj.setAttribute("type", "application/x-nacl");
     obj.setAttribute("mode", mode);
   } else if (mode == "nacl_pnacl") {
     obj = document.createElement("EMBED");
     obj.setAttribute("src", "ppapi_nacl_tests_pnacl.nmf");
     obj.setAttribute("type", "application/x-nacl");
     obj.setAttribute("mode", mode);
   } else if (mode == "nacl_pnacl_nonsfi") {
     obj = document.createElement("EMBED");
     obj.setAttribute("src", "ppapi_nacl_tests_pnacl_nonsfi.nmf");
     obj.setAttribute("type", "application/x-nacl");
     obj.setAttribute("mode", mode);
   } else if (mode == "mojo") {
     obj = document.createElement("EMBED");
     obj.setAttribute("src",
                      "test_data/ppapi/tests/mojo/pnacl/ppapi_tests_mojo.nmf");
     obj.setAttribute("type", "application/x-pnacl");
     obj.setAttribute("mode", mode);
   } else {
     var mimeType = "application/x-ppapi-tests";
     if (mimeType in navigator.mimeTypes) {
       obj = document.createElement("EMBED");
       obj.setAttribute("src", "http://a.b.c/test");
       obj.setAttribute("type", mimeType);
     } else {
       document.getElementById("console").innerHTML =
           '<span class="fail">FAIL</span>: ' +
           '<span class="err_msg">Test plugin is not registered.</span>';
     }
   }

   if (obj) {
     obj.setAttribute("width", 80);
     obj.setAttribute("height", 80);
     obj.setAttribute("style",
                      "background-color:#AAAAAA;border:1px solid black;");
     obj.setAttribute("id", "plugin");
     obj.setAttribute("testcase", testcase);
     obj.setAttribute("protocol", window.location.protocol);
     var websocket_host = ExtractSearchParameter("websocket_host");
     if (websocket_host != "")
       obj.setAttribute("websocket_host", websocket_host);
     var websocket_port = ExtractSearchParameter("websocket_port");
     if (websocket_port != "")
       obj.setAttribute("websocket_port", websocket_port);
     var ssl_server_port = ExtractSearchParameter("ssl_server_port");
     if (ssl_server_port != "")
       obj.setAttribute("ssl_server_port", ssl_server_port);

     var container = document.getElementById("container");
     container.addEventListener("message", handleTestingMessage, true);

     // "error" and "crash" events will only fire for NaCl, but adding these
     // listeners doesn't hurt in the non-NaCl cases.
     obj.addEventListener("error", function() {
       InternalError("Plugin did not load. '" + obj.lastError + "'");
     }, true);
     obj.addEventListener("crash", function() {
       InternalError("Plugin crashed. '" + obj.lastError + "'");
     }, true);

     // NaCl sends progress events while loading. When we get one, notify the
     // domAutomationController so that it knows we're still working.
     obj.addEventListener("loadstart", sendProgress, true);
     obj.addEventListener("progress", sendProgress, true);
     obj.addEventListener("load", sendProgress, true);
     obj.addEventListener("loadend", sendProgress, true);

     // Register a bad dispatchEvent to make sure it isn't used. See 'EVIL' note
     // below.
     var original = obj.dispatchEvent;
     obj.dispatchEvent = function() {
       InternalError("Bad dispatchEvent called!");
     }
     container.appendChild(obj);
   }
 }

 // EVIL Note:
 // This part of the script does some nefarious things to make sure that it
 // doesn't affect the behavior of PostMessage (on which all the tests rely). In
 // particular, we replace document.createEvent, MessageEvent.initMessageEvent,
 // and the MessageEvent constructor. Previously, the NaCl integration
 // implementation made use of these and would fail (http://crbug.com/82604
 // and http://crbug.com/109775).
 document.createEvent = function() {
   InternalError("Bad document.createEvent called!");
 }
 function MessageEvent() {
   InternalError("Bad MessageEvent constructor called!");
 }
 MessageEvent.prototype.initMessageEvent = function() {
   InternalError("Bad MessageEvent.initMessageEvent called!");
 }

 </script>
 </head><body>
 <div>
   <div id="container"></div>
   <div id="console"><span class="load_msg">loading...</span></div>
 </div>
 </body></html>
	<html><head>
	<meta http-equiv="Pragma" content="no-cache" />
	<meta http-equiv="Expires" content="-1" />
	<link rel="stylesheet" href="test_page.css">
	<script>
	// Do a deep comparison of two values. Return true if their values are
	// identical, false otherwise.
	function deepCompare(left, right) {
	if (typeof(left) !== typeof(right))
	return false;
	// If their identity is the same or they're basic types with the same value,
	// they are equal.
	if (left === right)
	return true;
	// If it's a basic type and we got here, we know they're not equal.
	if (["undefined", "boolean", "number", "string", "function"].indexOf(
	typeof(left)) > -1) {
	return false;
	}
	// Use right_keys as a set containing all keys from \|right\| which we haven't
	// yet compared.
	var right_keys = {};
	for (var key in right)
	right_keys[key] = true;
	for (var key in left) {
	if (key in right_keys) {
	if (!deepCompare(left[key], right[key]))
	return false;
	} else {
	// \|left\| had a key that \|right\| didn't.
	return false;
	}
	delete right_keys[key];
	}
	// If there are keys left in \|right_keys\|, it means they didn't exist in
	// \|left\|, so the objects aren't equal.
	if (Object.keys(right_keys).length > 0)
	return false;
	return true;
	}

	function AdjustHeight(frameWin) {
	var div = frameWin.document.getElementsByTagName("div")[0];
	var height = frameWin.getComputedStyle(div).height;
	frameWin.frameElement.style.height = height;
	}

	// Called when the tests are completed. \|result\| should be "PASS" if the test(s)
	// passed, or information about the failure if the test(s) did not pass.
	function DidExecuteTests(result) {
	var plugin = document.getElementById("plugin");
	if (plugin.parentNode.removePlugin) {
	plugin.parentNode.removeChild(plugin);
	plugin = undefined;
	}
	if (CheckPostConditions())
	sendAutomationMessage(result);

	if (window == top)
	return;

	// Otherwise, we are in a subframe, so we can use this opportunity to resize
	// ourselves. This can only be done if the parent frame has the same origin.
	if (window.frameElement)
	AdjustHeight(window);
	}

	function AppendFrame(testcase, i) {
	var p = document.createElement("P");
	p.setAttribute("class", "frame-container");

	var title = document.createElement("H2");
	title.appendChild(document.createTextNode(testcase));
	p.appendChild(title);

	var frame = document.createElement("IFRAME");
	var mode = ExtractSearchParameter("mode");
	var websocket_host = ExtractSearchParameter("websocket_host");
	var websocket_port = ExtractSearchParameter("websocket_port");
	var ssl_server_port = ExtractSearchParameter("ssl_server_port");
	var src = "?testcase=" + testcase;
	if (mode == "nacl")
	src += "&mode=nacl";
	if (websocket_host != "")
	src += "&websocket_host=" + websocket_host;
	if (websocket_port != "")
	src += "&websocket_port=" + websocket_port;
	if (ssl_server_port != "")
	src += "&ssl_server_port=" + ssl_server_port;
	frame.setAttribute("src", src);

	frame.setAttribute("onload", "LoadNext(" + (i + 1) + ")");
	p.appendChild(frame);

	document.body.appendChild(p);
	}

	function LoadNext(i) {
	var links = document.links;
	if (links.length > i)
	AppendFrame(links[i].firstChild.nodeValue, i);
	}

	function RunAll() {
	// Remove any existing frames.
	var existing = document.getElementsByClassName("frame-container");
	while (existing.length)
	existing[0].parentNode.removeChild(existing[0]);

	// Add new frames for each test, but do so one frame at a time.
	LoadNext(0);
	}

	function ExtractSearchParameter(name) {
	var nameIndex = location.search.indexOf(name + "=");
	if (nameIndex != -1) {
	var value = location.search.substring(nameIndex + name.length + 1);
	var endIndex = value.indexOf("&");
	if (endIndex != -1)
	value = value.substring(0, endIndex);
	return value;
	}
	return "";
	}

	// Parses the message, looking for strings of the form:
	// TESTING_MESSAGE:<message_type>:<message_contents>
	//
	// If the message_data is not a string or does not match the above format, then
	// undefined is returned.
	//
	// Otherwise, returns an array containing 2 items. The 0th element is the
	// message_type, one of:
	// - AddPostCondition
	// - ClearConsole
	// - DidExecuteTests
	// - EvalScript
	// - LogHTML
	// - RemovePluginWhenFinished
	// - ReportProgress
	// The second item is the verbatim message_contents.
	function ParseTestingMessage(message_data) {
	if (typeof(message_data) != "string")
	return undefined;
	var testing_message_prefix = "TESTING_MESSAGE";
	var delim_str = ":";
	var delim1 = message_data.indexOf(delim_str);
	if (message_data.substring(0, delim1) !== testing_message_prefix)
	return undefined;
	var delim2 = message_data.indexOf(delim_str, delim1 + 1);
	if (delim2 == -1)
	delim2 = message_data.length;
	var message_type = message_data.substring(delim1 + 1, delim2);
	var message_contents = message_data.substring(delim2 + 1);
	return [message_type, message_contents];
	}

	function ClearConsole() {
	window.document.getElementById("console").innerHTML = "";
	}

	function LogHTML(html) {
	window.document.getElementById("console").innerHTML += html;
	}

	function RemovePluginWhenFinished() {
	window.document.getElementById("container").removePlugin = true;
	}

	function sendAutomationMessage(msg) {
	if (window.domAutomationController) {
	window.domAutomationController.setAutomationId(0);
	window.domAutomationController.send(msg);
	}
	}

	function LogTestTime(test_time) {
	console.log(test_time);
	}

	// If something goes really wrong, the test running inside the plugin may not
	// terminate. For example, if the plugin does not load, the test will never
	// send "PASS" to the browser. In this case we should explicitly use the
	// automation controller to terminate the test.
	function InternalError(msg) {
	LogHTML("<p>" + msg);
	sendAutomationMessage(msg);
	}

	function EvalScript(script) {
	try {
	eval(script);
	} catch(ex) {
	}
	}

	var conditions = [];
	// Add a "PostCondition". These are bits of script that are run after the plugin
	// is destroyed. If they evaluate to false or throw an exception, it's
	// considered a failure.
	function AddPostCondition(script) {
	conditions.push(script);
	}
	// Update the HTML to show the failure and update cookies so that ui_tests
	// doesn't count this as a pass.
	function ConditionFailed(error) {
	error_string = "Post condition check failed: " + error;
	InternalError(error_string);
	}
	// Iterate through the post conditions defined in \|conditions\| and check that
	// they all pass.
	function CheckPostConditions() {
	var success = true;
	for (var i = 0; i < conditions.length; ++i) {
	var script = conditions[i];
	try {
	if (!eval(script)) {
	ConditionFailed("\"" + script + "\"");
	success = false;
	}
	} catch (ex) {
	ConditionFailed("\"" + script + "\"" + " failed with exception: " +
	"\"" + ex.toString() + "\"");
	success = false;
	}
	}
	return success;
	}

	function IsTestingMessage(message_data) {
	return (ParseTestingMessage(message_data) != undefined);
	}

	function handleTestingMessage(message_event) {
	var type_contents_tuple = ParseTestingMessage(message_event.data);
	if (type_contents_tuple) {
	var type = type_contents_tuple[0];
	var contents = type_contents_tuple[1];
	if (type === "AddPostCondition")
	AddPostCondition(contents);
	else if (type === "ClearConsole")
	ClearConsole();
	else if (type === "DidExecuteTests")
	DidExecuteTests(contents);
	else if (type === "EvalScript")
	EvalScript(contents);
	else if (type === "LogHTML")
	LogHTML(contents);
	else if (type === "RemovePluginWhenFinished")
	RemovePluginWhenFinished();
	else if (type === "ReportProgress")
	sendAutomationMessage(contents);
	else if (type === "LogTestTime")
	LogTestTime(contents);
	}
	}

	function sendProgress() {
	// We send "..." to signal that we're still working. See
	// ppapi/tests/testing_instance.h for how this works.
	sendAutomationMessage("...");
	}

	onload = function() {
	var testcase = ExtractSearchParameter("testcase");
	var mode = ExtractSearchParameter("mode");
	document.title = 'Test ' + testcase;
	var obj;
	if (mode == "nacl_newlib") {
	obj = document.createElement("EMBED");
	obj.setAttribute("src", "ppapi_nacl_tests_newlib.nmf");
	obj.setAttribute("type", "application/x-nacl");
	obj.setAttribute("mode", mode);
	} else if (mode == "nacl_glibc") {
	obj = document.createElement("EMBED");
	obj.setAttribute("src", "ppapi_nacl_tests_glibc.nmf");
	obj.setAttribute("type", "application/x-nacl");
	obj.setAttribute("mode", mode);
	} else if (mode == "nacl_pnacl") {
	obj = document.createElement("EMBED");
	obj.setAttribute("src", "ppapi_nacl_tests_pnacl.nmf");
	obj.setAttribute("type", "application/x-nacl");
	obj.setAttribute("mode", mode);
	} else if (mode == "nacl_pnacl_nonsfi") {
	obj = document.createElement("EMBED");
	obj.setAttribute("src", "ppapi_nacl_tests_pnacl_nonsfi.nmf");
	obj.setAttribute("type", "application/x-nacl");
	obj.setAttribute("mode", mode);
	} else if (mode == "mojo") {
	obj = document.createElement("EMBED");
	obj.setAttribute("src",
	"test_data/ppapi/tests/mojo/pnacl/ppapi_tests_mojo.nmf");
	obj.setAttribute("type", "application/x-pnacl");
	obj.setAttribute("mode", mode);
	} else {
	var mimeType = "application/x-ppapi-tests";
	if (mimeType in navigator.mimeTypes) {
	obj = document.createElement("EMBED");
	obj.setAttribute("src", "http://a.b.c/test");
	obj.setAttribute("type", mimeType);
	} else {
	document.getElementById("console").innerHTML =
	'<span class="fail">FAIL</span>: ' +
	'<span class="err_msg">Test plugin is not registered.</span>';
	}
	}

	if (obj) {
	obj.setAttribute("width", 80);
	obj.setAttribute("height", 80);
	obj.setAttribute("style",
	"background-color:#AAAAAA;border:1px solid black;");
	obj.setAttribute("id", "plugin");
	obj.setAttribute("testcase", testcase);
	obj.setAttribute("protocol", window.location.protocol);
	var websocket_host = ExtractSearchParameter("websocket_host");
	if (websocket_host != "")
	obj.setAttribute("websocket_host", websocket_host);
	var websocket_port = ExtractSearchParameter("websocket_port");
	if (websocket_port != "")
	obj.setAttribute("websocket_port", websocket_port);
	var ssl_server_port = ExtractSearchParameter("ssl_server_port");
	if (ssl_server_port != "")
	obj.setAttribute("ssl_server_port", ssl_server_port);

	var container = document.getElementById("container");
	container.addEventListener("message", handleTestingMessage, true);

	// "error" and "crash" events will only fire for NaCl, but adding these
	// listeners doesn't hurt in the non-NaCl cases.
	obj.addEventListener("error", function() {
	InternalError("Plugin did not load. '" + obj.lastError + "'");
	}, true);
	obj.addEventListener("crash", function() {
	InternalError("Plugin crashed. '" + obj.lastError + "'");
	}, true);

	// NaCl sends progress events while loading. When we get one, notify the
	// domAutomationController so that it knows we're still working.
	obj.addEventListener("loadstart", sendProgress, true);
	obj.addEventListener("progress", sendProgress, true);
	obj.addEventListener("load", sendProgress, true);
	obj.addEventListener("loadend", sendProgress, true);

	// Register a bad dispatchEvent to make sure it isn't used. See 'EVIL' note
	// below.
	var original = obj.dispatchEvent;
	obj.dispatchEvent = function() {
	InternalError("Bad dispatchEvent called!");
	}
	container.appendChild(obj);
	}
	}

	// EVIL Note:
	// This part of the script does some nefarious things to make sure that it
	// doesn't affect the behavior of PostMessage (on which all the tests rely). In
	// particular, we replace document.createEvent, MessageEvent.initMessageEvent,
	// and the MessageEvent constructor. Previously, the NaCl integration
	// implementation made use of these and would fail (http://crbug.com/82604
	// and http://crbug.com/109775).
	document.createEvent = function() {
	InternalError("Bad document.createEvent called!");
	}
	function MessageEvent() {
	InternalError("Bad MessageEvent constructor called!");
	}
	MessageEvent.prototype.initMessageEvent = function() {
	InternalError("Bad MessageEvent.initMessageEvent called!");
	}

	</script>
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