annotate iframe-resizer/test/resources/qunit.js @ 9:7300ed4c1481 draft default tip

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1 /**
2  * QUnit v1.12.0 - A JavaScript Unit Testing Framework
3  *
4  * http://qunitjs.com
5  *
6  * Copyright 2013 jQuery Foundation and other contributors
7  * Released under the MIT license.
8  * https://jquery.org/license/
9  */
10 
11 (function( window ) {
12 
13 var QUnit,
14 	assert,
15 	config,
16 	onErrorFnPrev,
17 	testId = 0,
18 	fileName = (sourceFromStacktrace( 0 ) || "" ).replace(/(:\d+)+\)?/, "").replace(/.+\//, ""),
19 	toString = Object.prototype.toString,
20 	hasOwn = Object.prototype.hasOwnProperty,
21 	// Keep a local reference to Date (GH-283)
22 	Date = window.Date,
23 	setTimeout = window.setTimeout,
24 	defined = {
25 		setTimeout: typeof window.setTimeout !== "undefined",
26 		sessionStorage: (function() {
27 			var x = "qunit-test-string";
28 			try {
29 				sessionStorage.setItem( x, x );
30 				sessionStorage.removeItem( x );
31 				return true;
32 			} catch( e ) {
33 				return false;
34 			}
35 		}())
36 	},
37 	/**
38 	 * Provides a normalized error string, correcting an issue
39 	 * with IE 7 (and prior) where Error.prototype.toString is
40 	 * not properly implemented
41 	 *
42 	 * Based on http://es5.github.com/#x15.11.4.4
43 	 *
44 	 * @param {String|Error} error
45 	 * @return {String} error message
46 	 */
47 	errorString = function( error ) {
48 		var name, message,
49 			errorString = error.toString();
50 		if ( errorString.substring( 0, 7 ) === "[object" ) {
51 			name = error.name ? error.name.toString() : "Error";
52 			message = error.message ? error.message.toString() : "";
53 			if ( name && message ) {
54 				return name + ": " + message;
55 			} else if ( name ) {
56 				return name;
57 			} else if ( message ) {
58 				return message;
59 			} else {
60 				return "Error";
61 			}
62 		} else {
63 			return errorString;
64 		}
65 	},
66 	/**
67 	 * Makes a clone of an object using only Array or Object as base,
68 	 * and copies over the own enumerable properties.
69 	 *
70 	 * @param {Object} obj
71 	 * @return {Object} New object with only the own properties (recursively).
72 	 */
73 	objectValues = function( obj ) {
74 		// Grunt 0.3.x uses an older version of jshint that still has jshint/jshint#392.
75 		/*jshint newcap: false */
76 		var key, val,
77 			vals = QUnit.is( "array", obj ) ? [] : {};
78 		for ( key in obj ) {
79 			if ( hasOwn.call( obj, key ) ) {
80 				val = obj[key];
81 				vals[key] = val === Object(val) ? objectValues(val) : val;
82 			}
83 		}
84 		return vals;
85 	};
86 
87 function Test( settings ) {
88 	extend( this, settings );
89 	this.assertions = [];
90 	this.testNumber = ++Test.count;
91 }
92 
93 Test.count = 0;
94 
95 Test.prototype = {
96 	init: function() {
97 		var a, b, li,
98 			tests = id( "qunit-tests" );
99 
00 		if ( tests ) {
01 			b = document.createElement( "strong" );
02 			b.innerHTML = this.nameHtml;
03 
04 			// `a` initialized at top of scope
05 			a = document.createElement( "a" );
06 			a.innerHTML = "Rerun";
07 			a.href = QUnit.url({ testNumber: this.testNumber });
08 
09 			li = document.createElement( "li" );
10 			li.appendChild( b );
11 			li.appendChild( a );
12 			li.className = "running";
13 			li.id = this.id = "qunit-test-output" + testId++;
14 
15 			tests.appendChild( li );
16 		}
17 	},
18 	setup: function() {
19 		if (
20 			// Emit moduleStart when we're switching from one module to another
21 			this.module !== config.previousModule ||
22 				// They could be equal (both undefined) but if the previousModule property doesn't
23 				// yet exist it means this is the first test in a suite that isn't wrapped in a
24 				// module, in which case we'll just emit a moduleStart event for 'undefined'.
25 				// Without this, reporters can get testStart before moduleStart  which is a problem.
26 				!hasOwn.call( config, "previousModule" )
27 		) {
28 			if ( hasOwn.call( config, "previousModule" ) ) {
29 				runLoggingCallbacks( "moduleDone", QUnit, {
30 					name: config.previousModule,
31 					failed: config.moduleStats.bad,
32 					passed: config.moduleStats.all - config.moduleStats.bad,
33 					total: config.moduleStats.all
34 				});
35 			}
36 			config.previousModule = this.module;
37 			config.moduleStats = { all: 0, bad: 0 };
38 			runLoggingCallbacks( "moduleStart", QUnit, {
39 				name: this.module
40 			});
41 		}
42 
43 		config.current = this;
44 
45 		this.testEnvironment = extend({
46 			setup: function() {},
47 			teardown: function() {}
48 		}, this.moduleTestEnvironment );
49 
50 		this.started = +new Date();
51 		runLoggingCallbacks( "testStart", QUnit, {
52 			name: this.testName,
53 			module: this.module
54 		});
55 
56 		/*jshint camelcase:false */
57 
58 
59 		/**
60 		 * Expose the current test environment.
61 		 *
62 		 * @deprecated since 1.12.0: Use QUnit.config.current.testEnvironment instead.
63 		 */
64 		QUnit.current_testEnvironment = this.testEnvironment;
65 
66 		/*jshint camelcase:true */
67 
68 		if ( !config.pollution ) {
69 			saveGlobal();
70 		}
71 		if ( config.notrycatch ) {
72 			this.testEnvironment.setup.call( this.testEnvironment, QUnit.assert );
73 			return;
74 		}
75 		try {
76 			this.testEnvironment.setup.call( this.testEnvironment, QUnit.assert );
77 		} catch( e ) {
78 			QUnit.pushFailure( "Setup failed on " + this.testName + ": " + ( e.message || e ), extractStacktrace( e, 1 ) );
79 		}
80 	},
81 	run: function() {
82 		config.current = this;
83 
84 		var running = id( "qunit-testresult" );
85 
86 		if ( running ) {
87 			running.innerHTML = "Running: <br/>" + this.nameHtml;
88 		}
89 
90 		if ( this.async ) {
91 			QUnit.stop();
92 		}
93 
94 		this.callbackStarted = +new Date();
95 
96 		if ( config.notrycatch ) {
97 			this.callback.call( this.testEnvironment, QUnit.assert );
98 			this.callbackRuntime = +new Date() - this.callbackStarted;
99 			return;
00 		}
01 
02 		try {
03 			this.callback.call( this.testEnvironment, QUnit.assert );
04 			this.callbackRuntime = +new Date() - this.callbackStarted;
05 		} catch( e ) {
06 			this.callbackRuntime = +new Date() - this.callbackStarted;
07 
08 			QUnit.pushFailure( "Died on test #" + (this.assertions.length + 1) + " " + this.stack + ": " + ( e.message || e ), extractStacktrace( e, 0 ) );
09 			// else next test will carry the responsibility
10 			saveGlobal();
11 
12 			// Restart the tests if they're blocking
13 			if ( config.blocking ) {
14 				QUnit.start();
15 			}
16 		}
17 	},
18 	teardown: function() {
19 		config.current = this;
20 		if ( config.notrycatch ) {
21 			if ( typeof this.callbackRuntime === "undefined" ) {
22 				this.callbackRuntime = +new Date() - this.callbackStarted;
23 			}
24 			this.testEnvironment.teardown.call( this.testEnvironment, QUnit.assert );
25 			return;
26 		} else {
27 			try {
28 				this.testEnvironment.teardown.call( this.testEnvironment, QUnit.assert );
29 			} catch( e ) {
30 				QUnit.pushFailure( "Teardown failed on " + this.testName + ": " + ( e.message || e ), extractStacktrace( e, 1 ) );
31 			}
32 		}
33 		checkPollution();
34 	},
35 	finish: function() {
36 		config.current = this;
37 		if ( config.requireExpects && this.expected === null ) {
38 			QUnit.pushFailure( "Expected number of assertions to be defined, but expect() was not called.", this.stack );
39 		} else if ( this.expected !== null && this.expected !== this.assertions.length ) {
40 			QUnit.pushFailure( "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run", this.stack );
41 		} else if ( this.expected === null && !this.assertions.length ) {
42 			QUnit.pushFailure( "Expected at least one assertion, but none were run - call expect(0) to accept zero assertions.", this.stack );
43 		}
44 
45 		var i, assertion, a, b, time, li, ol,
46 			test = this,
47 			good = 0,
48 			bad = 0,
49 			tests = id( "qunit-tests" );
50 
51 		this.runtime = +new Date() - this.started;
52 		config.stats.all += this.assertions.length;
53 		config.moduleStats.all += this.assertions.length;
54 
55 		if ( tests ) {
56 			ol = document.createElement( "ol" );
57 			ol.className = "qunit-assert-list";
58 
59 			for ( i = 0; i < this.assertions.length; i++ ) {
60 				assertion = this.assertions[i];
61 
62 				li = document.createElement( "li" );
63 				li.className = assertion.result ? "pass" : "fail";
64 				li.innerHTML = assertion.message || ( assertion.result ? "okay" : "failed" );
65 				ol.appendChild( li );
66 
67 				if ( assertion.result ) {
68 					good++;
69 				} else {
70 					bad++;
71 					config.stats.bad++;
72 					config.moduleStats.bad++;
73 				}
74 			}
75 
76 			// store result when possible
77 			if ( QUnit.config.reorder && defined.sessionStorage ) {
78 				if ( bad ) {
79 					sessionStorage.setItem( "qunit-test-" + this.module + "-" + this.testName, bad );
80 				} else {
81 					sessionStorage.removeItem( "qunit-test-" + this.module + "-" + this.testName );
82 				}
83 			}
84 
85 			if ( bad === 0 ) {
86 				addClass( ol, "qunit-collapsed" );
87 			}
88 
89 			// `b` initialized at top of scope
90 			b = document.createElement( "strong" );
91 			b.innerHTML = this.nameHtml + " <b class='counts'>(<b class='failed'>" + bad + "</b>, <b class='passed'>" + good + "</b>, " + this.assertions.length + ")</b>";
92 
93 			addEvent(b, "click", function() {
94 				var next = b.parentNode.lastChild,
95 					collapsed = hasClass( next, "qunit-collapsed" );
96 				( collapsed ? removeClass : addClass )( next, "qunit-collapsed" );
97 			});
98 
99 			addEvent(b, "dblclick", function( e ) {
00 				var target = e && e.target ? e.target : window.event.srcElement;
01 				if ( target.nodeName.toLowerCase() === "span" || target.nodeName.toLowerCase() === "b" ) {
02 					target = target.parentNode;
03 				}
04 				if ( window.location && target.nodeName.toLowerCase() === "strong" ) {
05 					window.location = QUnit.url({ testNumber: test.testNumber });
06 				}
07 			});
08 
09 			// `time` initialized at top of scope
10 			time = document.createElement( "span" );
11 			time.className = "runtime";
12 			time.innerHTML = this.runtime + " ms";
13 
14 			// `li` initialized at top of scope
15 			li = id( this.id );
16 			li.className = bad ? "fail" : "pass";
17 			li.removeChild( li.firstChild );
18 			a = li.firstChild;
19 			li.appendChild( b );
20 			li.appendChild( a );
21 			li.appendChild( time );
22 			li.appendChild( ol );
23 
24 		} else {
25 			for ( i = 0; i < this.assertions.length; i++ ) {
26 				if ( !this.assertions[i].result ) {
27 					bad++;
28 					config.stats.bad++;
29 					config.moduleStats.bad++;
30 				}
31 			}
32 		}
33 
34 		runLoggingCallbacks( "testDone", QUnit, {
35 			name: this.testName,
36 			module: this.module,
37 			failed: bad,
38 			passed: this.assertions.length - bad,
39 			total: this.assertions.length,
40 			duration: this.runtime
41 		});
42 
43 		QUnit.reset();
44 
45 		config.current = undefined;
46 	},
47 
48 	queue: function() {
49 		var bad,
50 			test = this;
51 
52 		synchronize(function() {
53 			test.init();
54 		});
55 		function run() {
56 			// each of these can by async
57 			synchronize(function() {
58 				test.setup();
59 			});
60 			synchronize(function() {
61 				test.run();
62 			});
63 			synchronize(function() {
64 				test.teardown();
65 			});
66 			synchronize(function() {
67 				test.finish();
68 			});
69 		}
70 
71 		// `bad` initialized at top of scope
72 		// defer when previous test run passed, if storage is available
73 		bad = QUnit.config.reorder && defined.sessionStorage &&
74 						+sessionStorage.getItem( "qunit-test-" + this.module + "-" + this.testName );
75 
76 		if ( bad ) {
77 			run();
78 		} else {
79 			synchronize( run, true );
80 		}
81 	}
82 };
83 
84 // Root QUnit object.
85 // `QUnit` initialized at top of scope
86 QUnit = {
87 
88 	// call on start of module test to prepend name to all tests
89 	module: function( name, testEnvironment ) {
90 		config.currentModule = name;
91 		config.currentModuleTestEnvironment = testEnvironment;
92 		config.modules[name] = true;
93 	},
94 
95 	asyncTest: function( testName, expected, callback ) {
96 		if ( arguments.length === 2 ) {
97 			callback = expected;
98 			expected = null;
99 		}
00 
01 		QUnit.test( testName, expected, callback, true );
02 	},
03 
04 	test: function( testName, expected, callback, async ) {
05 		var test,
06 			nameHtml = "<span class='test-name'>" + escapeText( testName ) + "</span>";
07 
08 		if ( arguments.length === 2 ) {
09 			callback = expected;
10 			expected = null;
11 		}
12 
13 		if ( config.currentModule ) {
14 			nameHtml = "<span class='module-name'>" + escapeText( config.currentModule ) + "</span>: " + nameHtml;
15 		}
16 
17 		test = new Test({
18 			nameHtml: nameHtml,
19 			testName: testName,
20 			expected: expected,
21 			async: async,
22 			callback: callback,
23 			module: config.currentModule,
24 			moduleTestEnvironment: config.currentModuleTestEnvironment,
25 			stack: sourceFromStacktrace( 2 )
26 		});
27 
28 		if ( !validTest( test ) ) {
29 			return;
30 		}
31 
32 		test.queue();
33 	},
34 
35 	// Specify the number of expected assertions to guarantee that failed test (no assertions are run at all) don't slip through.
36 	expect: function( asserts ) {
37 		if (arguments.length === 1) {
38 			config.current.expected = asserts;
39 		} else {
40 			return config.current.expected;
41 		}
42 	},
43 
44 	start: function( count ) {
45 		// QUnit hasn't been initialized yet.
46 		// Note: RequireJS (et al) may delay onLoad
47 		if ( config.semaphore === undefined ) {
48 			QUnit.begin(function() {
49 				// This is triggered at the top of QUnit.load, push start() to the event loop, to allow QUnit.load to finish first
50 				setTimeout(function() {
51 					QUnit.start( count );
52 				});
53 			});
54 			return;
55 		}
56 
57 		config.semaphore -= count || 1;
58 		// don't start until equal number of stop-calls
59 		if ( config.semaphore > 0 ) {
60 			return;
61 		}
62 		// ignore if start is called more often then stop
63 		if ( config.semaphore < 0 ) {
64 			config.semaphore = 0;
65 			QUnit.pushFailure( "Called start() while already started (QUnit.config.semaphore was 0 already)", null, sourceFromStacktrace(2) );
66 			return;
67 		}
68 		// A slight delay, to avoid any current callbacks
69 		if ( defined.setTimeout ) {
70 			setTimeout(function() {
71 				if ( config.semaphore > 0 ) {
72 					return;
73 				}
74 				if ( config.timeout ) {
75 					clearTimeout( config.timeout );
76 				}
77 
78 				config.blocking = false;
79 				process( true );
80 			}, 13);
81 		} else {
82 			config.blocking = false;
83 			process( true );
84 		}
85 	},
86 
87 	stop: function( count ) {
88 		config.semaphore += count || 1;
89 		config.blocking = true;
90 
91 		if ( config.testTimeout && defined.setTimeout ) {
92 			clearTimeout( config.timeout );
93 			config.timeout = setTimeout(function() {
94 				QUnit.ok( false, "Test timed out" );
95 				config.semaphore = 1;
96 				QUnit.start();
97 			}, config.testTimeout );
98 		}
99 	}
00 };
01 
02 // `assert` initialized at top of scope
03 // Assert helpers
04 // All of these must either call QUnit.push() or manually do:
05 // - runLoggingCallbacks( "log", .. );
06 // - config.current.assertions.push({ .. });
07 // We attach it to the QUnit object *after* we expose the public API,
08 // otherwise `assert` will become a global variable in browsers (#341).
09 assert = {
10 	/**
11 	 * Asserts rough true-ish result.
12 	 * @name ok
13 	 * @function
14 	 * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
15 	 */
16 	ok: function( result, msg ) {
17 		if ( !config.current ) {
18 			throw new Error( "ok() assertion outside test context, was " + sourceFromStacktrace(2) );
19 		}
20 		result = !!result;
21 		msg = msg || (result ? "okay" : "failed" );
22 
23 		var source,
24 			details = {
25 				module: config.current.module,
26 				name: config.current.testName,
27 				result: result,
28 				message: msg
29 			};
30 
31 		msg = "<span class='test-message'>" + escapeText( msg ) + "</span>";
32 
33 		if ( !result ) {
34 			source = sourceFromStacktrace( 2 );
35 			if ( source ) {
36 				details.source = source;
37 				msg += "<table><tr class='test-source'><th>Source: </th><td><pre>" + escapeText( source ) + "</pre></td></tr></table>";
38 			}
39 		}
40 		runLoggingCallbacks( "log", QUnit, details );
41 		config.current.assertions.push({
42 			result: result,
43 			message: msg
44 		});
45 	},
46 
47 	/**
48 	 * Assert that the first two arguments are equal, with an optional message.
49 	 * Prints out both actual and expected values.
50 	 * @name equal
51 	 * @function
52 	 * @example equal( format( "Received {0} bytes.", 2), "Received 2 bytes.", "format() replaces {0} with next argument" );
53 	 */
54 	equal: function( actual, expected, message ) {
55 		/*jshint eqeqeq:false */
56 		QUnit.push( expected == actual, actual, expected, message );
57 	},
58 
59 	/**
60 	 * @name notEqual
61 	 * @function
62 	 */
63 	notEqual: function( actual, expected, message ) {
64 		/*jshint eqeqeq:false */
65 		QUnit.push( expected != actual, actual, expected, message );
66 	},
67 
68 	/**
69 	 * @name propEqual
70 	 * @function
71 	 */
72 	propEqual: function( actual, expected, message ) {
73 		actual = objectValues(actual);
74 		expected = objectValues(expected);
75 		QUnit.push( QUnit.equiv(actual, expected), actual, expected, message );
76 	},
77 
78 	/**
79 	 * @name notPropEqual
80 	 * @function
81 	 */
82 	notPropEqual: function( actual, expected, message ) {
83 		actual = objectValues(actual);
84 		expected = objectValues(expected);
85 		QUnit.push( !QUnit.equiv(actual, expected), actual, expected, message );
86 	},
87 
88 	/**
89 	 * @name deepEqual
90 	 * @function
91 	 */
92 	deepEqual: function( actual, expected, message ) {
93 		QUnit.push( QUnit.equiv(actual, expected), actual, expected, message );
94 	},
95 
96 	/**
97 	 * @name notDeepEqual
98 	 * @function
99 	 */
00 	notDeepEqual: function( actual, expected, message ) {
01 		QUnit.push( !QUnit.equiv(actual, expected), actual, expected, message );
02 	},
03 
04 	/**
05 	 * @name strictEqual
06 	 * @function
07 	 */
08 	strictEqual: function( actual, expected, message ) {
09 		QUnit.push( expected === actual, actual, expected, message );
10 	},
11 
12 	/**
13 	 * @name notStrictEqual
14 	 * @function
15 	 */
16 	notStrictEqual: function( actual, expected, message ) {
17 		QUnit.push( expected !== actual, actual, expected, message );
18 	},
19 
20 	"throws": function( block, expected, message ) {
21 		var actual,
22 			expectedOutput = expected,
23 			ok = false;
24 
25 		// 'expected' is optional
26 		if ( typeof expected === "string" ) {
27 			message = expected;
28 			expected = null;
29 		}
30 
31 		config.current.ignoreGlobalErrors = true;
32 		try {
33 			block.call( config.current.testEnvironment );
34 		} catch (e) {
35 			actual = e;
36 		}
37 		config.current.ignoreGlobalErrors = false;
38 
39 		if ( actual ) {
40 			// we don't want to validate thrown error
41 			if ( !expected ) {
42 				ok = true;
43 				expectedOutput = null;
44 			// expected is a regexp
45 			} else if ( QUnit.objectType( expected ) === "regexp" ) {
46 				ok = expected.test( errorString( actual ) );
47 			// expected is a constructor
48 			} else if ( actual instanceof expected ) {
49 				ok = true;
50 			// expected is a validation function which returns true is validation passed
51 			} else if ( expected.call( {}, actual ) === true ) {
52 				expectedOutput = null;
53 				ok = true;
54 			}
55 
56 			QUnit.push( ok, actual, expectedOutput, message );
57 		} else {
58 			QUnit.pushFailure( message, null, "No exception was thrown." );
59 		}
60 	}
61 };
62 
63 /**
64  * @deprecated since 1.8.0
65  * Kept assertion helpers in root for backwards compatibility.
66  */
67 extend( QUnit, assert );
68 
69 /**
70  * @deprecated since 1.9.0
71  * Kept root "raises()" for backwards compatibility.
72  * (Note that we don't introduce assert.raises).
73  */
74 QUnit.raises = assert[ "throws" ];
75 
76 /**
77  * @deprecated since 1.0.0, replaced with error pushes since 1.3.0
78  * Kept to avoid TypeErrors for undefined methods.
79  */
80 QUnit.equals = function() {
81 	QUnit.push( false, false, false, "QUnit.equals has been deprecated since 2009 (e88049a0), use QUnit.equal instead" );
82 };
83 QUnit.same = function() {
84 	QUnit.push( false, false, false, "QUnit.same has been deprecated since 2009 (e88049a0), use QUnit.deepEqual instead" );
85 };
86 
87 // We want access to the constructor's prototype
88 (function() {
89 	function F() {}
90 	F.prototype = QUnit;
91 	QUnit = new F();
92 	// Make F QUnit's constructor so that we can add to the prototype later
93 	QUnit.constructor = F;
94 }());
95 
96 /**
97  * Config object: Maintain internal state
98  * Later exposed as QUnit.config
99  * `config` initialized at top of scope
00  */
01 config = {
02 	// The queue of tests to run
03 	queue: [],
04 
05 	// block until document ready
06 	blocking: true,
07 
08 	// when enabled, show only failing tests
09 	// gets persisted through sessionStorage and can be changed in UI via checkbox
10 	hidepassed: false,
11 
12 	// by default, run previously failed tests first
13 	// very useful in combination with "Hide passed tests" checked
14 	reorder: true,
15 
16 	// by default, modify document.title when suite is done
17 	altertitle: true,
18 
19 	// when enabled, all tests must call expect()
20 	requireExpects: false,
21 
22 	// add checkboxes that are persisted in the query-string
23 	// when enabled, the id is set to `true` as a `QUnit.config` property
24 	urlConfig: [
25 		{
26 			id: "noglobals",
27 			label: "Check for Globals",
28 			tooltip: "Enabling this will test if any test introduces new properties on the `window` object. Stored as query-strings."
29 		},
30 		{
31 			id: "notrycatch",
32 			label: "No try-catch",
33 			tooltip: "Enabling this will run tests outside of a try-catch block. Makes debugging exceptions in IE reasonable. Stored as query-strings."
34 		}
35 	],
36 
37 	// Set of all modules.
38 	modules: {},
39 
40 	// logging callback queues
41 	begin: [],
42 	done: [],
43 	log: [],
44 	testStart: [],
45 	testDone: [],
46 	moduleStart: [],
47 	moduleDone: []
48 };
49 
50 // Export global variables, unless an 'exports' object exists,
51 // in that case we assume we're in CommonJS (dealt with on the bottom of the script)
52 if ( typeof exports === "undefined" ) {
53 	extend( window, QUnit.constructor.prototype );
54 
55 	// Expose QUnit object
56 	window.QUnit = QUnit;
57 }
58 
59 // Initialize more QUnit.config and QUnit.urlParams
60 (function() {
61 	var i,
62 		location = window.location || { search: "", protocol: "file:" },
63 		params = location.search.slice( 1 ).split( "&" ),
64 		length = params.length,
65 		urlParams = {},
66 		current;
67 
68 	if ( params[ 0 ] ) {
69 		for ( i = 0; i < length; i++ ) {
70 			current = params[ i ].split( "=" );
71 			current[ 0 ] = decodeURIComponent( current[ 0 ] );
72 			// allow just a key to turn on a flag, e.g., test.html?noglobals
73 			current[ 1 ] = current[ 1 ] ? decodeURIComponent( current[ 1 ] ) : true;
74 			urlParams[ current[ 0 ] ] = current[ 1 ];
75 		}
76 	}
77 
78 	QUnit.urlParams = urlParams;
79 
80 	// String search anywhere in moduleName+testName
81 	config.filter = urlParams.filter;
82 
83 	// Exact match of the module name
84 	config.module = urlParams.module;
85 
86 	config.testNumber = parseInt( urlParams.testNumber, 10 ) || null;
87 
88 	// Figure out if we're running the tests from a server or not
89 	QUnit.isLocal = location.protocol === "file:";
90 }());
91 
92 // Extend QUnit object,
93 // these after set here because they should not be exposed as global functions
94 extend( QUnit, {
95 	assert: assert,
96 
97 	config: config,
98 
99 	// Initialize the configuration options
00 	init: function() {
01 		extend( config, {
02 			stats: { all: 0, bad: 0 },
03 			moduleStats: { all: 0, bad: 0 },
04 			started: +new Date(),
05 			updateRate: 1000,
06 			blocking: false,
07 			autostart: true,
08 			autorun: false,
09 			filter: "",
10 			queue: [],
11 			semaphore: 1
12 		});
13 
14 		var tests, banner, result,
15 			qunit = id( "qunit" );
16 
17 		if ( qunit ) {
18 			qunit.innerHTML =
19 				"<h1 id='qunit-header'>" + escapeText( document.title ) + "</h1>" +
20 				"<h2 id='qunit-banner'></h2>" +
21 				"<div id='qunit-testrunner-toolbar'></div>" +
22 				"<h2 id='qunit-userAgent'></h2>" +
23 				"<ol id='qunit-tests'></ol>";
24 		}
25 
26 		tests = id( "qunit-tests" );
27 		banner = id( "qunit-banner" );
28 		result = id( "qunit-testresult" );
29 
30 		if ( tests ) {
31 			tests.innerHTML = "";
32 		}
33 
34 		if ( banner ) {
35 			banner.className = "";
36 		}
37 
38 		if ( result ) {
39 			result.parentNode.removeChild( result );
40 		}
41 
42 		if ( tests ) {
43 			result = document.createElement( "p" );
44 			result.id = "qunit-testresult";
45 			result.className = "result";
46 			tests.parentNode.insertBefore( result, tests );
47 			result.innerHTML = "Running...<br/>&nbsp;";
48 		}
49 	},
50 
51 	// Resets the test setup. Useful for tests that modify the DOM.
52 	/*
53 	DEPRECATED: Use multiple tests instead of resetting inside a test.
54 	Use testStart or testDone for custom cleanup.
55 	This method will throw an error in 2.0, and will be removed in 2.1
56 	*/
57 	reset: function() {
58 		var fixture = id( "qunit-fixture" );
59 		if ( fixture ) {
60 			fixture.innerHTML = config.fixture;
61 		}
62 	},
63 
64 	// Trigger an event on an element.
65 	// @example triggerEvent( document.body, "click" );
66 	triggerEvent: function( elem, type, event ) {
67 		if ( document.createEvent ) {
68 			event = document.createEvent( "MouseEvents" );
69 			event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView,
70 				0, 0, 0, 0, 0, false, false, false, false, 0, null);
71 
72 			elem.dispatchEvent( event );
73 		} else if ( elem.fireEvent ) {
74 			elem.fireEvent( "on" + type );
75 		}
76 	},
77 
78 	// Safe object type checking
79 	is: function( type, obj ) {
80 		return QUnit.objectType( obj ) === type;
81 	},
82 
83 	objectType: function( obj ) {
84 		if ( typeof obj === "undefined" ) {
85 				return "undefined";
86 		// consider: typeof null === object
87 		}
88 		if ( obj === null ) {
89 				return "null";
90 		}
91 
92 		var match = toString.call( obj ).match(/^\[object\s(.*)\]$/),
93 			type = match && match[1] || "";
94 
95 		switch ( type ) {
96 			case "Number":
97 				if ( isNaN(obj) ) {
98 					return "nan";
99 				}
00 				return "number";
01 			case "String":
02 			case "Boolean":
03 			case "Array":
04 			case "Date":
05 			case "RegExp":
06 			case "Function":
07 				return type.toLowerCase();
08 		}
09 		if ( typeof obj === "object" ) {
10 			return "object";
11 		}
12 		return undefined;
13 	},
14 
15 	push: function( result, actual, expected, message ) {
16 		if ( !config.current ) {
17 			throw new Error( "assertion outside test context, was " + sourceFromStacktrace() );
18 		}
19 
20 		var output, source,
21 			details = {
22 				module: config.current.module,
23 				name: config.current.testName,
24 				result: result,
25 				message: message,
26 				actual: actual,
27 				expected: expected
28 			};
29 
30 		message = escapeText( message ) || ( result ? "okay" : "failed" );
31 		message = "<span class='test-message'>" + message + "</span>";
32 		output = message;
33 
34 		if ( !result ) {
35 			expected = escapeText( QUnit.jsDump.parse(expected) );
36 			actual = escapeText( QUnit.jsDump.parse(actual) );
37 			output += "<table><tr class='test-expected'><th>Expected: </th><td><pre>" + expected + "</pre></td></tr>";
38 
39 			if ( actual !== expected ) {
40 				output += "<tr class='test-actual'><th>Result: </th><td><pre>" + actual + "</pre></td></tr>";
41 				output += "<tr class='test-diff'><th>Diff: </th><td><pre>" + QUnit.diff( expected, actual ) + "</pre></td></tr>";
42 			}
43 
44 			source = sourceFromStacktrace();
45 
46 			if ( source ) {
47 				details.source = source;
48 				output += "<tr class='test-source'><th>Source: </th><td><pre>" + escapeText( source ) + "</pre></td></tr>";
49 			}
50 
51 			output += "</table>";
52 		}
53 
54 		runLoggingCallbacks( "log", QUnit, details );
55 
56 		config.current.assertions.push({
57 			result: !!result,
58 			message: output
59 		});
60 	},
61 
62 	pushFailure: function( message, source, actual ) {
63 		if ( !config.current ) {
64 			throw new Error( "pushFailure() assertion outside test context, was " + sourceFromStacktrace(2) );
65 		}
66 
67 		var output,
68 			details = {
69 				module: config.current.module,
70 				name: config.current.testName,
71 				result: false,
72 				message: message
73 			};
74 
75 		message = escapeText( message ) || "error";
76 		message = "<span class='test-message'>" + message + "</span>";
77 		output = message;
78 
79 		output += "<table>";
80 
81 		if ( actual ) {
82 			output += "<tr class='test-actual'><th>Result: </th><td><pre>" + escapeText( actual ) + "</pre></td></tr>";
83 		}
84 
85 		if ( source ) {
86 			details.source = source;
87 			output += "<tr class='test-source'><th>Source: </th><td><pre>" + escapeText( source ) + "</pre></td></tr>";
88 		}
89 
90 		output += "</table>";
91 
92 		runLoggingCallbacks( "log", QUnit, details );
93 
94 		config.current.assertions.push({
95 			result: false,
96 			message: output
97 		});
98 	},
99 
00 	url: function( params ) {
01 		params = extend( extend( {}, QUnit.urlParams ), params );
02 		var key,
03 			querystring = "?";
04 
05 		for ( key in params ) {
06 			if ( hasOwn.call( params, key ) ) {
07 				querystring += encodeURIComponent( key ) + "=" +
08 					encodeURIComponent( params[ key ] ) + "&";
09 			}
10 		}
11 		return window.location.protocol + "//" + window.location.host +
12 			window.location.pathname + querystring.slice( 0, -1 );
13 	},
14 
15 	extend: extend,
16 	id: id,
17 	addEvent: addEvent,
18 	addClass: addClass,
19 	hasClass: hasClass,
20 	removeClass: removeClass
21 	// load, equiv, jsDump, diff: Attached later
22 });
23 
24 /**
25  * @deprecated: Created for backwards compatibility with test runner that set the hook function
26  * into QUnit.{hook}, instead of invoking it and passing the hook function.
27  * QUnit.constructor is set to the empty F() above so that we can add to it's prototype here.
28  * Doing this allows us to tell if the following methods have been overwritten on the actual
29  * QUnit object.
30  */
31 extend( QUnit.constructor.prototype, {
32 
33 	// Logging callbacks; all receive a single argument with the listed properties
34 	// run test/logs.html for any related changes
35 	begin: registerLoggingCallback( "begin" ),
36 
37 	// done: { failed, passed, total, runtime }
38 	done: registerLoggingCallback( "done" ),
39 
40 	// log: { result, actual, expected, message }
41 	log: registerLoggingCallback( "log" ),
42 
43 	// testStart: { name }
44 	testStart: registerLoggingCallback( "testStart" ),
45 
46 	// testDone: { name, failed, passed, total, duration }
47 	testDone: registerLoggingCallback( "testDone" ),
48 
49 	// moduleStart: { name }
50 	moduleStart: registerLoggingCallback( "moduleStart" ),
51 
52 	// moduleDone: { name, failed, passed, total }
53 	moduleDone: registerLoggingCallback( "moduleDone" )
54 });
55 
56 if ( typeof document === "undefined" || document.readyState === "complete" ) {
57 	config.autorun = true;
58 }
59 
60 QUnit.load = function() {
61 	runLoggingCallbacks( "begin", QUnit, {} );
62 
63 	// Initialize the config, saving the execution queue
64 	var banner, filter, i, label, len, main, ol, toolbar, userAgent, val,
65 		urlConfigCheckboxesContainer, urlConfigCheckboxes, moduleFilter,
66 		numModules = 0,
67 		moduleNames = [],
68 		moduleFilterHtml = "",
69 		urlConfigHtml = "",
70 		oldconfig = extend( {}, config );
71 
72 	QUnit.init();
73 	extend(config, oldconfig);
74 
75 	config.blocking = false;
76 
77 	len = config.urlConfig.length;
78 
79 	for ( i = 0; i < len; i++ ) {
80 		val = config.urlConfig[i];
81 		if ( typeof val === "string" ) {
82 			val = {
83 				id: val,
84 				label: val,
85 				tooltip: "[no tooltip available]"
86 			};
87 		}
88 		config[ val.id ] = QUnit.urlParams[ val.id ];
89 		urlConfigHtml += "<input id='qunit-urlconfig-" + escapeText( val.id ) +
90 			"' name='" + escapeText( val.id ) +
91 			"' type='checkbox'" + ( config[ val.id ] ? " checked='checked'" : "" ) +
92 			" title='" + escapeText( val.tooltip ) +
93 			"'><label for='qunit-urlconfig-" + escapeText( val.id ) +
94 			"' title='" + escapeText( val.tooltip ) + "'>" + val.label + "</label>";
95 	}
96 	for ( i in config.modules ) {
97 		if ( config.modules.hasOwnProperty( i ) ) {
98 			moduleNames.push(i);
99 		}
00 	}
01 	numModules = moduleNames.length;
02 	moduleNames.sort( function( a, b ) {
03 		return a.localeCompare( b );
04 	});
05 	moduleFilterHtml += "<label for='qunit-modulefilter'>Module: </label><select id='qunit-modulefilter' name='modulefilter'><option value='' " +
06 		( config.module === undefined  ? "selected='selected'" : "" ) +
07 		">< All Modules ></option>";
08 
09 
10 	for ( i = 0; i < numModules; i++) {
11 			moduleFilterHtml += "<option value='" + escapeText( encodeURIComponent(moduleNames[i]) ) + "' " +
12 				( config.module === moduleNames[i] ? "selected='selected'" : "" ) +
13 				">" + escapeText(moduleNames[i]) + "</option>";
14 	}
15 	moduleFilterHtml += "</select>";
16 
17 	// `userAgent` initialized at top of scope
18 	userAgent = id( "qunit-userAgent" );
19 	if ( userAgent ) {
20 		userAgent.innerHTML = navigator.userAgent;
21 	}
22 
23 	// `banner` initialized at top of scope
24 	banner = id( "qunit-header" );
25 	if ( banner ) {
26 		banner.innerHTML = "<a href='" + QUnit.url({ filter: undefined, module: undefined, testNumber: undefined }) + "'>" + banner.innerHTML + "</a> ";
27 	}
28 
29 	// `toolbar` initialized at top of scope
30 	toolbar = id( "qunit-testrunner-toolbar" );
31 	if ( toolbar ) {
32 		// `filter` initialized at top of scope
33 		filter = document.createElement( "input" );
34 		filter.type = "checkbox";
35 		filter.id = "qunit-filter-pass";
36 
37 		addEvent( filter, "click", function() {
38 			var tmp,
39 				ol = document.getElementById( "qunit-tests" );
40 
41 			if ( filter.checked ) {
42 				ol.className = ol.className + " hidepass";
43 			} else {
44 				tmp = " " + ol.className.replace( /[\n\t\r]/g, " " ) + " ";
45 				ol.className = tmp.replace( / hidepass /, " " );
46 			}
47 			if ( defined.sessionStorage ) {
48 				if (filter.checked) {
49 					sessionStorage.setItem( "qunit-filter-passed-tests", "true" );
50 				} else {
51 					sessionStorage.removeItem( "qunit-filter-passed-tests" );
52 				}
53 			}
54 		});
55 
56 		if ( config.hidepassed || defined.sessionStorage && sessionStorage.getItem( "qunit-filter-passed-tests" ) ) {
57 			filter.checked = true;
58 			// `ol` initialized at top of scope
59 			ol = document.getElementById( "qunit-tests" );
60 			ol.className = ol.className + " hidepass";
61 		}
62 		toolbar.appendChild( filter );
63 
64 		// `label` initialized at top of scope
65 		label = document.createElement( "label" );
66 		label.setAttribute( "for", "qunit-filter-pass" );
67 		label.setAttribute( "title", "Only show tests and assertions that fail. Stored in sessionStorage." );
68 		label.innerHTML = "Hide passed tests";
69 		toolbar.appendChild( label );
70 
71 		urlConfigCheckboxesContainer = document.createElement("span");
72 		urlConfigCheckboxesContainer.innerHTML = urlConfigHtml;
73 		urlConfigCheckboxes = urlConfigCheckboxesContainer.getElementsByTagName("input");
74 		// For oldIE support:
75 		// * Add handlers to the individual elements instead of the container
76 		// * Use "click" instead of "change"
77 		// * Fallback from event.target to event.srcElement
78 		addEvents( urlConfigCheckboxes, "click", function( event ) {
79 			var params = {},
80 				target = event.target || event.srcElement;
81 			params[ target.name ] = target.checked ? true : undefined;
82 			window.location = QUnit.url( params );
83 		});
84 		toolbar.appendChild( urlConfigCheckboxesContainer );
85 
86 		if (numModules > 1) {
87 			moduleFilter = document.createElement( "span" );
88 			moduleFilter.setAttribute( "id", "qunit-modulefilter-container" );
89 			moduleFilter.innerHTML = moduleFilterHtml;
90 			addEvent( moduleFilter.lastChild, "change", function() {
91 				var selectBox = moduleFilter.getElementsByTagName("select")[0],
92 					selectedModule = decodeURIComponent(selectBox.options[selectBox.selectedIndex].value);
93 
94 				window.location = QUnit.url({
95 					module: ( selectedModule === "" ) ? undefined : selectedModule,
96 					// Remove any existing filters
97 					filter: undefined,
98 					testNumber: undefined
99 				});
00 			});
01 			toolbar.appendChild(moduleFilter);
02 		}
03 	}
04 
05 	// `main` initialized at top of scope
06 	main = id( "qunit-fixture" );
07 	if ( main ) {
08 		config.fixture = main.innerHTML;
09 	}
10 
11 	if ( config.autostart ) {
12 		QUnit.start();
13 	}
14 };
15 
16 addEvent( window, "load", QUnit.load );
17 
18 // `onErrorFnPrev` initialized at top of scope
19 // Preserve other handlers
20 onErrorFnPrev = window.onerror;
21 
22 // Cover uncaught exceptions
23 // Returning true will suppress the default browser handler,
24 // returning false will let it run.
25 window.onerror = function ( error, filePath, linerNr ) {
26 	var ret = false;
27 	if ( onErrorFnPrev ) {
28 		ret = onErrorFnPrev( error, filePath, linerNr );
29 	}
30 
31 	// Treat return value as window.onerror itself does,
32 	// Only do our handling if not suppressed.
33 	if ( ret !== true ) {
34 		if ( QUnit.config.current ) {
35 			if ( QUnit.config.current.ignoreGlobalErrors ) {
36 				return true;
37 			}
38 			QUnit.pushFailure( error, filePath + ":" + linerNr );
39 		} else {
40 			QUnit.test( "global failure", extend( function() {
41 				QUnit.pushFailure( error, filePath + ":" + linerNr );
42 			}, { validTest: validTest } ) );
43 		}
44 		return false;
45 	}
46 
47 	return ret;
48 };
49 
50 function done() {
51 	config.autorun = true;
52 
53 	// Log the last module results
54 	if ( config.currentModule ) {
55 		runLoggingCallbacks( "moduleDone", QUnit, {
56 			name: config.currentModule,
57 			failed: config.moduleStats.bad,
58 			passed: config.moduleStats.all - config.moduleStats.bad,
59 			total: config.moduleStats.all
60 		});
61 	}
62 	delete config.previousModule;
63 
64 	var i, key,
65 		banner = id( "qunit-banner" ),
66 		tests = id( "qunit-tests" ),
67 		runtime = +new Date() - config.started,
68 		passed = config.stats.all - config.stats.bad,
69 		html = [
70 			"Tests completed in ",
71 			runtime,
72 			" milliseconds.<br/>",
73 			"<span class='passed'>",
74 			passed,
75 			"</span> assertions of <span class='total'>",
76 			config.stats.all,
77 			"</span> passed, <span class='failed'>",
78 			config.stats.bad,
79 			"</span> failed."
80 		].join( "" );
81 
82 	if ( banner ) {
83 		banner.className = ( config.stats.bad ? "qunit-fail" : "qunit-pass" );
84 	}
85 
86 	if ( tests ) {
87 		id( "qunit-testresult" ).innerHTML = html;
88 	}
89 
90 	if ( config.altertitle && typeof document !== "undefined" && document.title ) {
91 		// show ✖ for good, ✔ for bad suite result in title
92 		// use escape sequences in case file gets loaded with non-utf-8-charset
93 		document.title = [
94 			( config.stats.bad ? "\u2716" : "\u2714" ),
95 			document.title.replace( /^[\u2714\u2716] /i, "" )
96 		].join( " " );
97 	}
98 
99 	// clear own sessionStorage items if all tests passed
00 	if ( config.reorder && defined.sessionStorage && config.stats.bad === 0 ) {
01 		// `key` & `i` initialized at top of scope
02 		for ( i = 0; i < sessionStorage.length; i++ ) {
03 			key = sessionStorage.key( i++ );
04 			if ( key.indexOf( "qunit-test-" ) === 0 ) {
05 				sessionStorage.removeItem( key );
06 			}
07 		}
08 	}
09 
10 	// scroll back to top to show results
11 	if ( window.scrollTo ) {
12 		window.scrollTo(0, 0);
13 	}
14 
15 	runLoggingCallbacks( "done", QUnit, {
16 		failed: config.stats.bad,
17 		passed: passed,
18 		total: config.stats.all,
19 		runtime: runtime
20 	});
21 }
22 
23 /** @return Boolean: true if this test should be ran */
24 function validTest( test ) {
25 	var include,
26 		filter = config.filter && config.filter.toLowerCase(),
27 		module = config.module && config.module.toLowerCase(),
28 		fullName = (test.module + ": " + test.testName).toLowerCase();
29 
30 	// Internally-generated tests are always valid
31 	if ( test.callback && test.callback.validTest === validTest ) {
32 		delete test.callback.validTest;
33 		return true;
34 	}
35 
36 	if ( config.testNumber ) {
37 		return test.testNumber === config.testNumber;
38 	}
39 
40 	if ( module && ( !test.module || test.module.toLowerCase() !== module ) ) {
41 		return false;
42 	}
43 
44 	if ( !filter ) {
45 		return true;
46 	}
47 
48 	include = filter.charAt( 0 ) !== "!";
49 	if ( !include ) {
50 		filter = filter.slice( 1 );
51 	}
52 
53 	// If the filter matches, we need to honour include
54 	if ( fullName.indexOf( filter ) !== -1 ) {
55 		return include;
56 	}
57 
58 	// Otherwise, do the opposite
59 	return !include;
60 }
61 
62 // so far supports only Firefox, Chrome and Opera (buggy), Safari (for real exceptions)
63 // Later Safari and IE10 are supposed to support error.stack as well
64 // See also https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error/Stack
65 function extractStacktrace( e, offset ) {
66 	offset = offset === undefined ? 3 : offset;
67 
68 	var stack, include, i;
69 
70 	if ( e.stacktrace ) {
71 		// Opera
72 		return e.stacktrace.split( "\n" )[ offset + 3 ];
73 	} else if ( e.stack ) {
74 		// Firefox, Chrome
75 		stack = e.stack.split( "\n" );
76 		if (/^error$/i.test( stack[0] ) ) {
77 			stack.shift();
78 		}
79 		if ( fileName ) {
80 			include = [];
81 			for ( i = offset; i < stack.length; i++ ) {
82 				if ( stack[ i ].indexOf( fileName ) !== -1 ) {
83 					break;
84 				}
85 				include.push( stack[ i ] );
86 			}
87 			if ( include.length ) {
88 				return include.join( "\n" );
89 			}
90 		}
91 		return stack[ offset ];
92 	} else if ( e.sourceURL ) {
93 		// Safari, PhantomJS
94 		// hopefully one day Safari provides actual stacktraces
95 		// exclude useless self-reference for generated Error objects
96 		if ( /qunit.js$/.test( e.sourceURL ) ) {
97 			return;
98 		}
99 		// for actual exceptions, this is useful
00 		return e.sourceURL + ":" + e.line;
01 	}
02 }
03 function sourceFromStacktrace( offset ) {
04 	try {
05 		throw new Error();
06 	} catch ( e ) {
07 		return extractStacktrace( e, offset );
08 	}
09 }
10 
11 /**
12  * Escape text for attribute or text content.
13  */
14 function escapeText( s ) {
15 	if ( !s ) {
16 		return "";
17 	}
18 	s = s + "";
19 	// Both single quotes and double quotes (for attributes)
20 	return s.replace( /['"<>&]/g, function( s ) {
21 		switch( s ) {
22 			case "'":
23 				return "&#039;";
24 			case "\"":
25 				return "&quot;";
26 			case "<":
27 				return "&lt;";
28 			case ">":
29 				return "&gt;";
30 			case "&":
31 				return "&amp;";
32 		}
33 	});
34 }
35 
36 function synchronize( callback, last ) {
37 	config.queue.push( callback );
38 
39 	if ( config.autorun && !config.blocking ) {
40 		process( last );
41 	}
42 }
43 
44 function process( last ) {
45 	function next() {
46 		process( last );
47 	}
48 	var start = new Date().getTime();
49 	config.depth = config.depth ? config.depth + 1 : 1;
50 
51 	while ( config.queue.length && !config.blocking ) {
52 		if ( !defined.setTimeout || config.updateRate <= 0 || ( ( new Date().getTime() - start ) < config.updateRate ) ) {
53 			config.queue.shift()();
54 		} else {
55 			setTimeout( next, 13 );
56 			break;
57 		}
58 	}
59 	config.depth--;
60 	if ( last && !config.blocking && !config.queue.length && config.depth === 0 ) {
61 		done();
62 	}
63 }
64 
65 function saveGlobal() {
66 	config.pollution = [];
67 
68 	if ( config.noglobals ) {
69 		for ( var key in window ) {
70 			if ( hasOwn.call( window, key ) ) {
71 				// in Opera sometimes DOM element ids show up here, ignore them
72 				if ( /^qunit-test-output/.test( key ) ) {
73 					continue;
74 				}
75 				config.pollution.push( key );
76 			}
77 		}
78 	}
79 }
80 
81 function checkPollution() {
82 	var newGlobals,
83 		deletedGlobals,
84 		old = config.pollution;
85 
86 	saveGlobal();
87 
88 	newGlobals = diff( config.pollution, old );
89 	if ( newGlobals.length > 0 ) {
90 		QUnit.pushFailure( "Introduced global variable(s): " + newGlobals.join(", ") );
91 	}
92 
93 	deletedGlobals = diff( old, config.pollution );
94 	if ( deletedGlobals.length > 0 ) {
95 		QUnit.pushFailure( "Deleted global variable(s): " + deletedGlobals.join(", ") );
96 	}
97 }
98 
99 // returns a new Array with the elements that are in a but not in b
00 function diff( a, b ) {
01 	var i, j,
02 		result = a.slice();
03 
04 	for ( i = 0; i < result.length; i++ ) {
05 		for ( j = 0; j < b.length; j++ ) {
06 			if ( result[i] === b[j] ) {
07 				result.splice( i, 1 );
08 				i--;
09 				break;
10 			}
11 		}
12 	}
13 	return result;
14 }
15 
16 function extend( a, b ) {
17 	for ( var prop in b ) {
18 		if ( hasOwn.call( b, prop ) ) {
19 			// Avoid "Member not found" error in IE8 caused by messing with window.constructor
20 			if ( !( prop === "constructor" && a === window ) ) {
21 				if ( b[ prop ] === undefined ) {
22 					delete a[ prop ];
23 				} else {
24 					a[ prop ] = b[ prop ];
25 				}
26 			}
27 		}
28 	}
29 
30 	return a;
31 }
32 
33 /**
34  * @param {HTMLElement} elem
35  * @param {string} type
36  * @param {Function} fn
37  */
38 function addEvent( elem, type, fn ) {
39 	// Standards-based browsers
40 	if ( elem.addEventListener ) {
41 		elem.addEventListener( type, fn, false );
42 	// IE
43 	} else {
44 		elem.attachEvent( "on" + type, fn );
45 	}
46 }
47 
48 /**
49  * @param {Array|NodeList} elems
50  * @param {string} type
51  * @param {Function} fn
52  */
53 function addEvents( elems, type, fn ) {
54 	var i = elems.length;
55 	while ( i-- ) {
56 		addEvent( elems[i], type, fn );
57 	}
58 }
59 
60 function hasClass( elem, name ) {
61 	return (" " + elem.className + " ").indexOf(" " + name + " ") > -1;
62 }
63 
64 function addClass( elem, name ) {
65 	if ( !hasClass( elem, name ) ) {
66 		elem.className += (elem.className ? " " : "") + name;
67 	}
68 }
69 
70 function removeClass( elem, name ) {
71 	var set = " " + elem.className + " ";
72 	// Class name may appear multiple times
73 	while ( set.indexOf(" " + name + " ") > -1 ) {
74 		set = set.replace(" " + name + " " , " ");
75 	}
76 	// If possible, trim it for prettiness, but not necessarily
77 	elem.className = typeof set.trim === "function" ? set.trim() : set.replace(/^\s+|\s+$/g, "");
78 }
79 
80 function id( name ) {
81 	return !!( typeof document !== "undefined" && document && document.getElementById ) &&
82 		document.getElementById( name );
83 }
84 
85 function registerLoggingCallback( key ) {
86 	return function( callback ) {
87 		config[key].push( callback );
88 	};
89 }
90 
91 // Supports deprecated method of completely overwriting logging callbacks
92 function runLoggingCallbacks( key, scope, args ) {
93 	var i, callbacks;
94 	if ( QUnit.hasOwnProperty( key ) ) {
95 		QUnit[ key ].call(scope, args );
96 	} else {
97 		callbacks = config[ key ];
98 		for ( i = 0; i < callbacks.length; i++ ) {
99 			callbacks[ i ].call( scope, args );
00 		}
01 	}
02 }
03 
04 // Test for equality any JavaScript type.
05 // Author: Philippe Rathé <[e-mail]>
06 QUnit.equiv = (function() {
07 
08 	// Call the o related callback with the given arguments.
09 	function bindCallbacks( o, callbacks, args ) {
10 		var prop = QUnit.objectType( o );
11 		if ( prop ) {
12 			if ( QUnit.objectType( callbacks[ prop ] ) === "function" ) {
13 				return callbacks[ prop ].apply( callbacks, args );
14 			} else {
15 				return callbacks[ prop ]; // or undefined
16 			}
17 		}
18 	}
19 
20 	// the real equiv function
21 	var innerEquiv,
22 		// stack to decide between skip/abort functions
23 		callers = [],
24 		// stack to avoiding loops from circular referencing
25 		parents = [],
26 		parentsB = [],
27 
28 		getProto = Object.getPrototypeOf || function ( obj ) {
29 			/*jshint camelcase:false */
30 			return obj.__proto__;
31 		},
32 		callbacks = (function () {
33 
34 			// for string, boolean, number and null
35 			function useStrictEquality( b, a ) {
36 				/*jshint eqeqeq:false */
37 				if ( b instanceof a.constructor || a instanceof b.constructor ) {
38 					// to catch short annotation VS 'new' annotation of a
39 					// declaration
40 					// e.g. var i = 1;
41 					// var j = new Number(1);
42 					return a == b;
43 				} else {
44 					return a === b;
45 				}
46 			}
47 
48 			return {
49 				"string": useStrictEquality,
50 				"boolean": useStrictEquality,
51 				"number": useStrictEquality,
52 				"null": useStrictEquality,
53 				"undefined": useStrictEquality,
54 
55 				"nan": function( b ) {
56 					return isNaN( b );
57 				},
58 
59 				"date": function( b, a ) {
60 					return QUnit.objectType( b ) === "date" && a.valueOf() === b.valueOf();
61 				},
62 
63 				"regexp": function( b, a ) {
64 					return QUnit.objectType( b ) === "regexp" &&
65 						// the regex itself
66 						a.source === b.source &&
67 						// and its modifiers
68 						a.global === b.global &&
69 						// (gmi) ...
70 						a.ignoreCase === b.ignoreCase &&
71 						a.multiline === b.multiline &&
72 						a.sticky === b.sticky;
73 				},
74 
75 				// - skip when the property is a method of an instance (OOP)
76 				// - abort otherwise,
77 				// initial === would have catch identical references anyway
78 				"function": function() {
79 					var caller = callers[callers.length - 1];
80 					return caller !== Object && typeof caller !== "undefined";
81 				},
82 
83 				"array": function( b, a ) {
84 					var i, j, len, loop, aCircular, bCircular;
85 
86 					// b could be an object literal here
87 					if ( QUnit.objectType( b ) !== "array" ) {
88 						return false;
89 					}
90 
91 					len = a.length;
92 					if ( len !== b.length ) {
93 						// safe and faster
94 						return false;
95 					}
96 
97 					// track reference to avoid circular references
98 					parents.push( a );
99 					parentsB.push( b );
00 					for ( i = 0; i < len; i++ ) {
01 						loop = false;
02 						for ( j = 0; j < parents.length; j++ ) {
03 							aCircular = parents[j] === a[i];
04 							bCircular = parentsB[j] === b[i];
05 							if ( aCircular || bCircular ) {
06 								if ( a[i] === b[i] || aCircular && bCircular ) {
07 									loop = true;
08 								} else {
09 									parents.pop();
10 									parentsB.pop();
11 									return false;
12 								}
13 							}
14 						}
15 						if ( !loop && !innerEquiv(a[i], b[i]) ) {
16 							parents.pop();
17 							parentsB.pop();
18 							return false;
19 						}
20 					}
21 					parents.pop();
22 					parentsB.pop();
23 					return true;
24 				},
25 
26 				"object": function( b, a ) {
27 					/*jshint forin:false */
28 					var i, j, loop, aCircular, bCircular,
29 						// Default to true
30 						eq = true,
31 						aProperties = [],
32 						bProperties = [];
33 
34 					// comparing constructors is more strict than using
35 					// instanceof
36 					if ( a.constructor !== b.constructor ) {
37 						// Allow objects with no prototype to be equivalent to
38 						// objects with Object as their constructor.
39 						if ( !(( getProto(a) === null && getProto(b) === Object.prototype ) ||
40 							( getProto(b) === null && getProto(a) === Object.prototype ) ) ) {
41 								return false;
42 						}
43 					}
44 
45 					// stack constructor before traversing properties
46 					callers.push( a.constructor );
47 
48 					// track reference to avoid circular references
49 					parents.push( a );
50 					parentsB.push( b );
51 
52 					// be strict: don't ensure hasOwnProperty and go deep
53 					for ( i in a ) {
54 						loop = false;
55 						for ( j = 0; j < parents.length; j++ ) {
56 							aCircular = parents[j] === a[i];
57 							bCircular = parentsB[j] === b[i];
58 							if ( aCircular || bCircular ) {
59 								if ( a[i] === b[i] || aCircular && bCircular ) {
60 									loop = true;
61 								} else {
62 									eq = false;
63 									break;
64 								}
65 							}
66 						}
67 						aProperties.push(i);
68 						if ( !loop && !innerEquiv(a[i], b[i]) ) {
69 							eq = false;
70 							break;
71 						}
72 					}
73 
74 					parents.pop();
75 					parentsB.pop();
76 					callers.pop(); // unstack, we are done
77 
78 					for ( i in b ) {
79 						bProperties.push( i ); // collect b's properties
80 					}
81 
82 					// Ensures identical properties name
83 					return eq && innerEquiv( aProperties.sort(), bProperties.sort() );
84 				}
85 			};
86 		}());
87 
88 	innerEquiv = function() { // can take multiple arguments
89 		var args = [].slice.apply( arguments );
90 		if ( args.length < 2 ) {
91 			return true; // end transition
92 		}
93 
94 		return (function( a, b ) {
95 			if ( a === b ) {
96 				return true; // catch the most you can
97 			} else if ( a === null || b === null || typeof a === "undefined" ||
98 					typeof b === "undefined" ||
99 					QUnit.objectType(a) !== QUnit.objectType(b) ) {
00 				return false; // don't lose time with error prone cases
01 			} else {
02 				return bindCallbacks(a, callbacks, [ b, a ]);
03 			}
04 
05 			// apply transition with (1..n) arguments
06 		}( args[0], args[1] ) && innerEquiv.apply( this, args.splice(1, args.length - 1 )) );
07 	};
08 
09 	return innerEquiv;
10 }());
11 
12 /**
13  * jsDump Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com |
14  * http://flesler.blogspot.com Licensed under BSD
15  * (http://www.opensource.org/licenses/bsd-license.php) Date: 5/15/2008
16  *
17  * @projectDescription Advanced and extensible data dumping for Javascript.
18  * @version 1.0.0
19  * @author Ariel Flesler
20  * @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
21  */
22 QUnit.jsDump = (function() {
23 	function quote( str ) {
24 		return "\"" + str.toString().replace( /"/g, "\\\"" ) + "\"";
25 	}
26 	function literal( o ) {
27 		return o + "";
28 	}
29 	function join( pre, arr, post ) {
30 		var s = jsDump.separator(),
31 			base = jsDump.indent(),
32 			inner = jsDump.indent(1);
33 		if ( arr.join ) {
34 			arr = arr.join( "," + s + inner );
35 		}
36 		if ( !arr ) {
37 			return pre + post;
38 		}
39 		return [ pre, inner + arr, base + post ].join(s);
40 	}
41 	function array( arr, stack ) {
42 		var i = arr.length, ret = new Array(i);
43 		this.up();
44 		while ( i-- ) {
45 			ret[i] = this.parse( arr[i] , undefined , stack);
46 		}
47 		this.down();
48 		return join( "[", ret, "]" );
49 	}
50 
51 	var reName = /^function (\w+)/,
52 		jsDump = {
53 			// type is used mostly internally, you can fix a (custom)type in advance
54 			parse: function( obj, type, stack ) {
55 				stack = stack || [ ];
56 				var inStack, res,
57 					parser = this.parsers[ type || this.typeOf(obj) ];
58 
59 				type = typeof parser;
60 				inStack = inArray( obj, stack );
61 
62 				if ( inStack !== -1 ) {
63 					return "recursion(" + (inStack - stack.length) + ")";
64 				}
65 				if ( type === "function" )  {
66 					stack.push( obj );
67 					res = parser.call( this, obj, stack );
68 					stack.pop();
69 					return res;
70 				}
71 				return ( type === "string" ) ? parser : this.parsers.error;
72 			},
73 			typeOf: function( obj ) {
74 				var type;
75 				if ( obj === null ) {
76 					type = "null";
77 				} else if ( typeof obj === "undefined" ) {
78 					type = "undefined";
79 				} else if ( QUnit.is( "regexp", obj) ) {
80 					type = "regexp";
81 				} else if ( QUnit.is( "date", obj) ) {
82 					type = "date";
83 				} else if ( QUnit.is( "function", obj) ) {
84 					type = "function";
85 				} else if ( typeof obj.setInterval !== undefined && typeof obj.document !== "undefined" && typeof obj.nodeType === "undefined" ) {
86 					type = "window";
87 				} else if ( obj.nodeType === 9 ) {
88 					type = "document";
89 				} else if ( obj.nodeType ) {
90 					type = "node";
91 				} else if (
92 					// native arrays
93 					toString.call( obj ) === "[object Array]" ||
94 					// NodeList objects
95 					( typeof obj.length === "number" && typeof obj.item !== "undefined" && ( obj.length ? obj.item(0) === obj[0] : ( obj.item( 0 ) === null && typeof obj[0] === "undefined" ) ) )
96 				) {
97 					type = "array";
98 				} else if ( obj.constructor === Error.prototype.constructor ) {
99 					type = "error";
00 				} else {
01 					type = typeof obj;
02 				}
03 				return type;
04 			},
05 			separator: function() {
06 				return this.multiline ?	this.HTML ? "<br />" : "\n" : this.HTML ? "&nbsp;" : " ";
07 			},
08 			// extra can be a number, shortcut for increasing-calling-decreasing
09 			indent: function( extra ) {
10 				if ( !this.multiline ) {
11 					return "";
12 				}
13 				var chr = this.indentChar;
14 				if ( this.HTML ) {
15 					chr = chr.replace( /\t/g, "   " ).replace( / /g, "&nbsp;" );
16 				}
17 				return new Array( this.depth + ( extra || 0 ) ).join(chr);
18 			},
19 			up: function( a ) {
20 				this.depth += a || 1;
21 			},
22 			down: function( a ) {
23 				this.depth -= a || 1;
24 			},
25 			setParser: function( name, parser ) {
26 				this.parsers[name] = parser;
27 			},
28 			// The next 3 are exposed so you can use them
29 			quote: quote,
30 			literal: literal,
31 			join: join,
32 			//
33 			depth: 1,
34 			// This is the list of parsers, to modify them, use jsDump.setParser
35 			parsers: {
36 				window: "[Window]",
37 				document: "[Document]",
38 				error: function(error) {
39 					return "Error(\"" + error.message + "\")";
40 				},
41 				unknown: "[Unknown]",
42 				"null": "null",
43 				"undefined": "undefined",
44 				"function": function( fn ) {
45 					var ret = "function",
46 						// functions never have name in IE
47 						name = "name" in fn ? fn.name : (reName.exec(fn) || [])[1];
48 
49 					if ( name ) {
50 						ret += " " + name;
51 					}
52 					ret += "( ";
53 
54 					ret = [ ret, QUnit.jsDump.parse( fn, "functionArgs" ), "){" ].join( "" );
55 					return join( ret, QUnit.jsDump.parse(fn,"functionCode" ), "}" );
56 				},
57 				array: array,
58 				nodelist: array,
59 				"arguments": array,
60 				object: function( map, stack ) {
61 					/*jshint forin:false */
62 					var ret = [ ], keys, key, val, i;
63 					QUnit.jsDump.up();
64 					keys = [];
65 					for ( key in map ) {
66 						keys.push( key );
67 					}
68 					keys.sort();
69 					for ( i = 0; i < keys.length; i++ ) {
70 						key = keys[ i ];
71 						val = map[ key ];
72 						ret.push( QUnit.jsDump.parse( key, "key" ) + ": " + QUnit.jsDump.parse( val, undefined, stack ) );
73 					}
74 					QUnit.jsDump.down();
75 					return join( "{", ret, "}" );
76 				},
77 				node: function( node ) {
78 					var len, i, val,
79 						open = QUnit.jsDump.HTML ? "&lt;" : "<",
80 						close = QUnit.jsDump.HTML ? "&gt;" : ">",
81 						tag = node.nodeName.toLowerCase(),
82 						ret = open + tag,
83 						attrs = node.attributes;
84 
85 					if ( attrs ) {
86 						for ( i = 0, len = attrs.length; i < len; i++ ) {
87 							val = attrs[i].nodeValue;
88 							// IE6 includes all attributes in .attributes, even ones not explicitly set.
89 							// Those have values like undefined, null, 0, false, "" or "inherit".
90 							if ( val && val !== "inherit" ) {
91 								ret += " " + attrs[i].nodeName + "=" + QUnit.jsDump.parse( val, "attribute" );
92 							}
93 						}
94 					}
95 					ret += close;
96 
97 					// Show content of TextNode or CDATASection
98 					if ( node.nodeType === 3 || node.nodeType === 4 ) {
99 						ret += node.nodeValue;
00 					}
01 
02 					return ret + open + "/" + tag + close;
03 				},
04 				// function calls it internally, it's the arguments part of the function
05 				functionArgs: function( fn ) {
06 					var args,
07 						l = fn.length;
08 
09 					if ( !l ) {
10 						return "";
11 					}
12 
13 					args = new Array(l);
14 					while ( l-- ) {
15 						// 97 is 'a'
16 						args[l] = String.fromCharCode(97+l);
17 					}
18 					return " " + args.join( ", " ) + " ";
19 				},
20 				// object calls it internally, the key part of an item in a map
21 				key: quote,
22 				// function calls it internally, it's the content of the function
23 				functionCode: "[code]",
24 				// node calls it internally, it's an html attribute value
25 				attribute: quote,
26 				string: quote,
27 				date: quote,
28 				regexp: literal,
29 				number: literal,
30 				"boolean": literal
31 			},
32 			// if true, entities are escaped ( <, >, \t, space and \n )
33 			HTML: false,
34 			// indentation unit
35 			indentChar: "  ",
36 			// if true, items in a collection, are separated by a \n, else just a space.
37 			multiline: true
38 		};
39 
40 	return jsDump;
41 }());
42 
43 // from jquery.js
44 function inArray( elem, array ) {
45 	if ( array.indexOf ) {
46 		return array.indexOf( elem );
47 	}
48 
49 	for ( var i = 0, length = array.length; i < length; i++ ) {
50 		if ( array[ i ] === elem ) {
51 			return i;
52 		}
53 	}
54 
55 	return -1;
56 }
57 
58 /*
59  * Javascript Diff Algorithm
60  *  By John Resig (http://ejohn.org/)
61  *  Modified by Chu Alan "sprite"
62  *
63  * Released under the MIT license.
64  *
65  * More Info:
66  *  http://ejohn.org/projects/javascript-diff-algorithm/
67  *
68  * Usage: QUnit.diff(expected, actual)
69  *
70  * QUnit.diff( "the quick brown fox jumped over", "the quick fox jumps over" ) == "the  quick <del>brown </del> fox <del>jumped </del><ins>jumps </ins> over"
71  */
72 QUnit.diff = (function() {
73 	/*jshint eqeqeq:false, eqnull:true */
74 	function diff( o, n ) {
75 		var i,
76 			ns = {},
77 			os = {};
78 
79 		for ( i = 0; i < n.length; i++ ) {
80 			if ( !hasOwn.call( ns, n[i] ) ) {
81 				ns[ n[i] ] = {
82 					rows: [],
83 					o: null
84 				};
85 			}
86 			ns[ n[i] ].rows.push( i );
87 		}
88 
89 		for ( i = 0; i < o.length; i++ ) {
90 			if ( !hasOwn.call( os, o[i] ) ) {
91 				os[ o[i] ] = {
92 					rows: [],
93 					n: null
94 				};
95 			}
96 			os[ o[i] ].rows.push( i );
97 		}
98 
99 		for ( i in ns ) {
00 			if ( hasOwn.call( ns, i ) ) {
01 				if ( ns[i].rows.length === 1 && hasOwn.call( os, i ) && os[i].rows.length === 1 ) {
02 					n[ ns[i].rows[0] ] = {
03 						text: n[ ns[i].rows[0] ],
04 						row: os[i].rows[0]
05 					};
06 					o[ os[i].rows[0] ] = {
07 						text: o[ os[i].rows[0] ],
08 						row: ns[i].rows[0]
09 					};
10 				}
11 			}
12 		}
13 
14 		for ( i = 0; i < n.length - 1; i++ ) {
15 			if ( n[i].text != null && n[ i + 1 ].text == null && n[i].row + 1 < o.length && o[ n[i].row + 1 ].text == null &&
16 						n[ i + 1 ] == o[ n[i].row + 1 ] ) {
17 
18 				n[ i + 1 ] = {
19 					text: n[ i + 1 ],
20 					row: n[i].row + 1
21 				};
22 				o[ n[i].row + 1 ] = {
23 					text: o[ n[i].row + 1 ],
24 					row: i + 1
25 				};
26 			}
27 		}
28 
29 		for ( i = n.length - 1; i > 0; i-- ) {
30 			if ( n[i].text != null && n[ i - 1 ].text == null && n[i].row > 0 && o[ n[i].row - 1 ].text == null &&
31 						n[ i - 1 ] == o[ n[i].row - 1 ]) {
32 
33 				n[ i - 1 ] = {
34 					text: n[ i - 1 ],
35 					row: n[i].row - 1
36 				};
37 				o[ n[i].row - 1 ] = {
38 					text: o[ n[i].row - 1 ],
39 					row: i - 1
40 				};
41 			}
42 		}
43 
44 		return {
45 			o: o,
46 			n: n
47 		};
48 	}
49 
50 	return function( o, n ) {
51 		o = o.replace( /\s+$/, "" );
52 		n = n.replace( /\s+$/, "" );
53 
54 		var i, pre,
55 			str = "",
56 			out = diff( o === "" ? [] : o.split(/\s+/), n === "" ? [] : n.split(/\s+/) ),
57 			oSpace = o.match(/\s+/g),
58 			nSpace = n.match(/\s+/g);
59 
60 		if ( oSpace == null ) {
61 			oSpace = [ " " ];
62 		}
63 		else {
64 			oSpace.push( " " );
65 		}
66 
67 		if ( nSpace == null ) {
68 			nSpace = [ " " ];
69 		}
70 		else {
71 			nSpace.push( " " );
72 		}
73 
74 		if ( out.n.length === 0 ) {
75 			for ( i = 0; i < out.o.length; i++ ) {
76 				str += "<del>" + out.o[i] + oSpace[i] + "</del>";
77 			}
78 		}
79 		else {
80 			if ( out.n[0].text == null ) {
81 				for ( n = 0; n < out.o.length && out.o[n].text == null; n++ ) {
82 					str += "<del>" + out.o[n] + oSpace[n] + "</del>";
83 				}
84 			}
85 
86 			for ( i = 0; i < out.n.length; i++ ) {
87 				if (out.n[i].text == null) {
88 					str += "<ins>" + out.n[i] + nSpace[i] + "</ins>";
89 				}
90 				else {
91 					// `pre` initialized at top of scope
92 					pre = "";
93 
94 					for ( n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++ ) {
95 						pre += "<del>" + out.o[n] + oSpace[n] + "</del>";
96 					}
97 					str += " " + out.n[i].text + nSpace[i] + pre;
98 				}
99 			}
00 		}
01 
02 		return str;
03 	};
04 }());
05 
06 // for CommonJS environments, export everything
07 if ( typeof exports !== "undefined" ) {
08 	extend( exports, QUnit.constructor.prototype );
09 }
10 
11 // get at whatever the global object is, like window in browsers
12 }( (function() {return this;}.call()) ));