+var asyncTimeout = 2 // seconds for async timeout
+
+var fixture;
+var Test;
+var stats = {
+ all: 0,
+ bad: 0
+};
+var queue = [];
+var blocking = false;
+
+function synchronize(callback) {
+ queue[queue.length] = callback;
+ if(!blocking) {
+ process();
+ }
+}
+
+function process() {
+ while(queue.length && !blocking) {
+ var call = queue[0];
+ queue = queue.slice(1);
+ call();
+ }
+}
+
+function stop() {
+ blocking = true;
+ setTimeout(start, asyncTimeout * 1000);
+}
+function start() {
+ blocking = false;
+ process();
+}
+
+function runTest(tests) {
+ var startTime = new Date();
+ fixture = document.getElementById('main').innerHTML;
+ tests();
+ synchronize(function() {
+ var runTime = new Date() - startTime;
+ var result = document.createElement("div");
+ result.innerHTML = 'Tests completed in ' + runTime + ' milliseconds.<br/>' +
+ stats.bad + ' tests of ' + stats.all + ' failed.';
+ document.getElementsByTagName("body")[0].appendChild(result);
+ });
+}
+
+function test(name, callback) {
+ Test = [];
+ synchronize(function() {
+ try {
+ callback();
+ } catch(e) {
+ if(typeof console != "undefined") {
+ console.error("Test " + name + " died, exception and test follows");
+ console.error(e);
+ console.warn(callback.toString());
+ }
+ Test.push( [ false, "Died on test #" + (Test.length+1) + ": " + e ] );
+ }
+ });
+ synchronize(function() {
+ reset();
+
+ var good = 0, bad = 0;
+ var ol = document.createElement("ol");
+
+ var li = "", state = "pass";
+ for ( var i = 0; i < Test.length; i++ ) {
+ var li = document.createElement("li");
+ li.className = Test[i][0] ? "pass" : "fail";
+ li.innerHTML = Test[i][1];
+ ol.appendChild( li );
+
+ stats.all++;
+ if ( !Test[i][0] ) {
+ state = "fail";
+ bad++;
+ stats.bad++;
+ } else good++;
+ }
+
+ var li = document.createElement("li");
+ li.className = state;
+
+ var b = document.createElement("b");
+ b.innerHTML = name + " <b style='color:black;'>(<b class='fail'>" + bad + "</b>, <b class='pass'>" + good + "</b>, " + Test.length + ")</b>";
+ b.onclick = function(){
+ var n = this.nextSibling;
+ if ( jQuery.css( n, "display" ) == "none" )
+ n.style.display = "block";
+ else
+ n.style.display = "none";
+ };
+ li.appendChild( b );
+ li.appendChild( ol );
+
+ document.getElementById("tests").appendChild( li );
+ });
+}
+
+/**
+ * Resets the test setup. Useful for tests that modify the DOM.
+ */
+function reset() {
+ document.getElementById('main').innerHTML = fixture;
+}
+
+/**
+ * Asserts true.
+ * @example ok( $("a").size() > 5, "There must be at least 5 anchors" );
+ */
+function ok(a, msg) {
+ Test.push( [ !!a, msg ] );
+}
+
+/**
+ * Asserts that two arrays are the same
+ */
+function isSet(a, b, msg) {
+ var ret = true;
+ if ( a && b && a.length == b.length ) {
+ for ( var i in a )
+ if ( a[i] != b[i] )
+ ret = false;
+ } else
+ ret = false;
+ if ( !ret && console )
+ console.log( msg, a, b );
+ Test.push( [ ret, msg ] );
+}
+
+/**
+ * Returns an array of elements with the given IDs, eg.
+ * @example q("main", "foo", "bar")
+ * @result [<div id="main">, <span id="foo">, <input id="bar">]
+ */
+function q() {
+ var r = [];
+ for ( var i = 0; i < arguments.length; i++ )
+ r.push( document.getElementById( arguments[i] ) );
+ return r;
+}
+
+/**
+ * Asserts that a select matches the given IDs
+ * @example t("Check for something", "//[a]", ["foo", "baar"]);
+ * @result returns true if "//[a]" return two elements with the IDs 'foo' and 'baar'
+ */
+function t(a,b,c) {
+ var f = jQuery.find(b);
+ var s = "";
+ for ( var i = 0; i < f.length; i++ )
+ s += (s && ",") + '"' + f[i].id + '"';
+ isSet(f, q.apply(q,c), a + " (" + b + ")");
+}
\ No newline at end of file