source: Dev/trunk/src/client/dojo/tests/promise/tracer.js

define([
        "doh/main",
        "dojo/Deferred",
        "dojo/promise/tracer"
], function(doh, Deferred, tracer){
        var tests = {
                "trace() resolved": function(t){
                        var td = new doh.Deferred;
                        var obj = {};
                        this.handles.push(tracer.on("resolved", function(value){
                                t.t(value === obj);
                                td.callback(true);
                        }));
                        this.deferred.promise.trace();
                        this.deferred.resolve(obj);
                        return td;
                },

                "trace() rejected": function(t){
                        var td = new doh.Deferred;
                        var obj = {};
                        this.handles.push(tracer.on("rejected", function(error){
                                t.t(error === obj);
                                td.callback(true);
                        }));
                        this.deferred.promise.trace();
                        this.deferred.reject(obj);
                        return td;
                },

                "trace() progress": function(t){
                        var td = new doh.Deferred;
                        var obj = {};
                        this.handles.push(tracer.on("progress", function(update){
                                t.t(update === obj);
                                td.callback(true);
                        }));
                        this.deferred.promise.trace();
                        this.deferred.progress(obj);
                        return td;
                },

                "passing extra arguments to trace()": function(t){
                        var td = new doh.Deferred;
                        var obj = {};
                        this.handles.push(tracer.on("resolved", function(value, arg1, arg2){
                                t.t(value === obj);
                                t.is(arg1, "test");
                                t.t(arg2 === obj);
                                td.callback(true);
                        }));
                        this.deferred.promise.trace("test", obj);
                        this.deferred.resolve(obj);
                        return td;
                },

                "traceRejected()": function(t){
                        var td = new doh.Deferred;
                        var obj = {};
                        this.handles.push(tracer.on("rejected", function(error){
                                t.t(error === obj);
                                td.callback(true);
                        }));
                        this.deferred.promise.traceRejected();
                        this.deferred.reject(obj);
                        return td;
                },

                "passing extra arguments": function(t){
                        var td = new doh.Deferred;
                        var obj = {};
                        this.handles.push(tracer.on("rejected", function(error, arg1, arg2){
                                t.t(error === obj);
                                t.is(arg1, "test");
                                t.t(arg2 === obj);
                                td.callback(true);
                        }));
                        this.deferred.promise.traceRejected("test", obj);
                        this.deferred.reject(obj);
                        return td;
                }
        };

        var wrapped = [];
        for(var name in tests){
                wrapped.push({
                        name: name,
                        setUp: setUp,
                        tearDown: tearDown,
                        runTest: tests[name]
                });
        }

        function setUp(){
                this.handles = [];
                this.deferred = new Deferred;
        }

        function tearDown(){
                while(this.handles.length){
                        this.handles.pop().remove();
                }
        }

        doh.register("tests.promise.tracer", wrapped);
});