unit test delay

Object.extend(Test.Unit.Runner.prototype, (function() {  function delayCallback(test) {    if(test.delay) return;    clearInterval(test.delayInterval);    this.runTests.call(this);  }  return {    runTests: function() {      var test = this.tests[this.currentTest];      if (!test) {        // finished!        this.postResults();        this.logger.summary(this.summary());        return;      }      if(!test.isWaiting && !test.isDelaying) {        this.logger.start(test.name);      }      test.run();      if(test.isWaiting) {        this.logger.message("Waiting for " + test.timeToWait + "ms");        setTimeout(this.runTests.bind(this), test.timeToWait || 1000);      } else if(test.isDelaying) {        this.logger.message("Waiting ...");        test.delayInterval = setInterval(delayCallback.bind(this, test), 100);      } else {        this.logger.finish(test.status(), test.summary());        this.currentTest++;        // tail recursive, hopefully the browser will skip the stackframe        this.runTests();      }    }  }})());Object.extend(Test.Unit.Testcase.prototype, {  delay: function(nextPart) {    this.isDelaying = this.delay = true;    this.test = nextPart;  },  proceed: function() {    this.delay = false;  },  run: function() {    try {      try {        if (!this.isWaiting && !this.isDelaying) this.setup.bind(this)();        this.isWaiting = this.isDelaying = false;        this.test.bind(this)();      } finally {        if(!this.isWaiting && !this.isDelaying) {          this.teardown.bind(this)();        }      }    }    catch(e) { this.error(e); }  }});new Test.Unit.Runner({  testDelayTest: function() { with(this) {    delay(function() { assert(true) });    setTimeout(function() {this.proceed()}.bind(this), 1000);  }}}, 'testlog');