source: Dev/trunk/src/client/util/doh/runner.js @ 483

define("doh/runner", ["dojo/_base/lang"], function(lang){

var doh = {
        // summary:
        //              Functions for registering and running automated tests.
};

// intentionally define global tests and global doh symbols
// TODO: scrub these globals from tests and remove this pollution for 2.0
tests = doh;
this.doh = doh;

doh._line = "------------------------------------------------------------";

doh.debug = function(){
        // summary:
        //              takes any number of arguments and sends them to whatever debugging
        //              or logging facility is available in this environment

        // YOUR TEST RUNNER NEEDS TO IMPLEMENT THIS
};

doh.error = function(){
        // summary:
        //              logging method to be used to send Error objects, so that
        //              whatever debugging or logging facility you have can decide to treat it
        //              as an Error object and show additional information - such as stack trace

        // YOUR TEST RUNNER NEEDS TO IMPLEMENT THIS
};

doh._AssertFailure = function(msg, hint){
        if (doh.breakOnError) {
                //>>excludeStart("debuggerCrashesRhino", /^shrinksafe.comments/.test(kwArgs.optimize));
                debugger;
                //>>excludeEnd("debuggerCrashesRhino")
        }
        if(!(this instanceof doh._AssertFailure)){
                return new doh._AssertFailure(msg, hint);
        }
        if(hint){
                msg = (new String(msg||""))+" with hint: \n\t\t"+(new String(hint)+"\n");
        }
        this.message = new String(msg||"");
        return this;
};
doh._AssertFailure.prototype = new Error();
doh._AssertFailure.prototype.constructor = doh._AssertFailure;
doh._AssertFailure.prototype.name = "doh._AssertFailure";

doh.Deferred = function(canceller){
        this.chain = [];
        this.id = this._nextId();
        this.fired = -1;
        this.paused = 0;
        this.results = [null, null];
        this.canceller = canceller;
        this.silentlyCancelled = false;
};

lang.extend(doh.Deferred, {
        getTestErrback: function(cb, scope){
                // summary:
                //              Replaces outer getTextCallback's in nested situations to avoid multiple callback(true)'s
                var _this = this;
                return function(){
                        try{
                                cb.apply(scope||doh.global||_this, arguments);
                        }catch(e){
                                _this.reject(e);
                        }
                };
        },

        getTestCallback: function(cb, scope){
                var _this = this;
                return function(){
                        try{
                                cb.apply(scope||doh.global||_this, arguments);
                        }catch(e){
                                _this.reject(e);
                                return;
                        }
                        _this.resolve(true);
                };
        },

        _nextId: (function(){
                var n = 1;
                return function(){ return n++; };
        })(),

        cancel: function(){
                if(this.fired == -1){
                        if (this.canceller){
                                this.canceller(this);
                        }else{
                                this.silentlyCancelled = true;
                        }
                        if(this.fired == -1){
                                this.reject(new Error("Deferred(unfired)"));
                        }
                }else if(this.fired == 0 && this.results[0] && this.results[0].cancel){
                        this.results[0].cancel();
                }
        },

        _pause: function(){
                this.paused++;
        },

        _unpause: function(){
                this.paused--;
                if ((this.paused == 0) && (this.fired >= 0)) {
                        this._fire();
                }
        },

        _continue: function(res){
                this._resback(res);
                this._unpause();
        },

        _resback: function(res){
                this.fired = ((res instanceof Error) ? 1 : 0);
                this.results[this.fired] = res;
                this._fire();
        },

        _check: function(){
                if(this.fired != -1){
                        if(!this.silentlyCancelled){
                                throw new Error("already called!");
                        }
                        this.silentlyCancelled = false;
                }
        },

        resolve: function(res){
                this._check();
                this._resback(res);
        },

        reject: function(res){
                this._check();
                if(!(res instanceof Error)){
                        res = new Error(res);
                }
                this._resback(res);
        },

        then: function(cb, eb){
                this.chain.push([cb, eb]);
                if(this.fired >= 0){
                        this._fire();
                }
                return this;
        },

        always: function(cb){
                this.then(cb, cb);
        },

        otherwise: function(eb){
                this.then(null, eb);
        },

        isFulfilled: function(){
                return this.fired >= 0;
        },

        isResolved: function(){
                return this.fired == 0;
        },

        isRejected: function(){
                return this.fired == 1;
        },

        _fire: function(){
                var chain = this.chain;
                var fired = this.fired;
                var res = this.results[fired];
                var self = this;
                var cb = null;
                while(chain.length > 0 && this.paused == 0){
                        // Array
                        var pair = chain.shift();
                        var f = pair[fired];
                        if(f == null){
                                continue;
                        }
                        try {
                                res = f(res);
                                fired = ((res instanceof Error) ? 1 : 0);
                                if(res && res.then){
                                        cb = function(res){
                                                self._continue(res);
                                        };
                                        this._pause();
                                }
                        }catch(err){
                                fired = 1;
                                res = err;
                        }
                }
                this.fired = fired;
                this.results[fired] = res;
                if((cb)&&(this.paused)){
                        res.always(cb);
                }
        }
});

lang.extend(doh.Deferred, {
        // Back compat methods, remove for 2.0

        getFunctionFromArgs: function(){
                // Like lang.hitch but first arg (context) is optional
                var a = arguments;
                if((a[0])&&(!a[1])){
                        if(typeof a[0] == "function"){
                                return a[0];
                        }else if(typeof a[0] == "string"){
                                return doh.global[a[0]];
                        }
                }else if((a[0])&&(a[1])){
                        return lang.hitch(a[0], a[1]);
                }
                return null;
        },

        addCallbacks: function(cb, eb){
                this.then(cb, eb);
        },

        addCallback: function(cb, cbfn){
                var enclosed = this.getFunctionFromArgs(cb, cbfn);
                if(arguments.length > 2){
                        enclosed = lang.hitch(null, enclosed, arguments, 2);
                }
                return this.then(enclosed);
        },

        addErrback: function(cb, cbfn){
                var enclosed = this.getFunctionFromArgs(cb, cbfn);
                if(arguments.length > 2){
                        enclosed = lang.hitch(null, enclosed, arguments, 2);
                }
                return this.otherwise(enclosed);
        },

        addBoth: function(cb, cbfn){
                var enclosed = this.getFunctionFromArgs(cb, cbfn);
                if(arguments.length > 2){
                        enclosed = lang.hitch(null, enclosed, arguments, 2);
                }
                return this.always(enclosed);
        },

        callback: function(val){
                this.resolve(val);
        },

        errback: function(val){
                this.reject(val);
        }
});

//
// State Keeping and Reporting
//

doh._testCount = 0;
doh._groupCount = 0;
doh._errorCount = 0;
doh._failureCount = 0;
doh._currentGroup = null;
doh._currentTest = null;
doh._paused = true;

doh._init = function(){
        this._currentGroup = null;
        this._currentTest = null;
        this._errorCount = 0;
        this._failureCount = 0;
        this.debug(this._testCount, "tests to run in", this._groupCount, "groups");
};

doh._groups = {};

//
// Test Types
//
doh._testTypes= {};

doh.registerTestType= function(name, initProc){
        // summary:
        //              Adds a test type and associates a function used to initialize each test of the given type
        // name: String
        //              The name of the type.
        // initProc: Function
        //              Type specific test initializer; called after the test object is created.
        doh._testTypes[name]= initProc;
};

doh.registerTestType("perf", function(group, tObj, type){
        // Augment the test with some specific options to make it identifiable as a
        // particular type of test so it can be executed properly.
        if(type === "perf" || tObj.testType === "perf"){
                tObj.testType = "perf";

                // Build an object on the root DOH class to contain all the test results.
                // Cache it on the test object for quick lookup later for results storage.
                if(!doh.perfTestResults){
                        doh.perfTestResults = {};
                        doh.perfTestResults[group] = {};
                }
                if(!doh.perfTestResults[group]){
                        doh.perfTestResults[group] = {};
                }
                if(!doh.perfTestResults[group][tObj.name]){
                        doh.perfTestResults[group][tObj.name] = {};
                }
                tObj.results = doh.perfTestResults[group][tObj.name];

                // If it's not set, then set the trial duration; default to 100ms.
                if(!("trialDuration" in tObj)){
                        tObj.trialDuration = 100;
                }

                // If it's not set, then set the delay between trial runs to 100ms
                // default to 100ms to allow for GC and to make IE happy.
                if(!("trialDelay" in tObj)){
                        tObj.trialDelay = 100;
                }

                // If it's not set, then set number of times a trial is run to 10.
                if(!("trialIterations" in tObj)){
                        tObj.trialIterations = 10;
                }
        }
});


//
// Test Registration
//
var
        createFixture= function(group, test, type){
                // test is a function, string, or fixture object
                var tObj = test;
                if(lang.isString(test)){
                        tObj = {
                                name: test.replace("/\s/g", "_"), // FIXME: bad escapement
                                runTest: new Function("t", test)
                        };
                }else if(lang.isFunction(test)){
                        // if we didn't get a fixture, wrap the function
                        tObj = { "runTest": test };
                        if(test["name"]){
                                tObj.name = test.name;
                        }else{
                                try{
                                        var fStr = "function ";
                                        var ts = tObj.runTest+"";
                                        if(0 <= ts.indexOf(fStr)){
                                                tObj.name = ts.split(fStr)[1].split("(", 1)[0];
                                        }
                                        // doh.debug(tObj.runTest.toSource());
                                }catch(e){
                                }
                        }
                        // FIXME: try harder to get the test name here
                }else if(lang.isString(tObj.runTest)){
                        tObj.runTest= new Function("t", tObj.runTest);
                }
                if(!tObj.runTest){
                        return 0;
                }

                // if the test is designated as a particular type, do type-specific initialization
                var testType= doh._testTypes[type] || doh._testTypes[tObj.testType];
                if(testType){
                        testType(group, tObj);
                }

                // add the test to this group
                doh._groups[group].push(tObj);
                doh._testCount++;
                doh._testRegistered(group, tObj);

                return tObj;
        },

        dumpArg= function(arg){
                if(lang.isString(arg)){
                        return "string(" + arg + ")";
                } else {
                        return typeof arg;
                }
        },

        illegalRegister= function(args, testArgPosition){
                var hint= "\targuments: ";
                for(var i= 0; i<5; i++){
                        hint+= dumpArg(args[i]);
                }
                doh.debug("ERROR:");
                if(testArgPosition){
                        doh.debug("\tillegal arguments provided to doh.register; the test at argument " + testArgPosition + " wasn't a test.");
                }else{
                        doh.debug("\tillegal arguments provided to doh.register");
                }
                doh.debug(hint);
        };

doh._testRegistered = function(group, fixture){
        // slot to be filled in
};

doh._groupStarted = function(group){
        // slot to be filled in
};

doh._groupFinished = function(group, success){
        // slot to be filled in
};

doh._testStarted = function(group, fixture){
        // slot to be filled in
};

doh._testFinished = function(group, fixture, success){
        // slot to be filled in
};

doh._registerTest = function(group, test, type){
        // summary:
        //              add the provided test function or fixture object to the specified
        //              test group.
        // group: String
        //              string name of the group to add the test to
        // test: Function||String||Object
        //              TODOC
        // type: String?
        //              An identifier denoting the type of testing that the test performs, such
        //              as a performance test. If falsy, defaults to test.type.

        // get, possibly create, the group object

        var groupObj = this._groups[group];
        if(!groupObj){
                this._groupCount++;
                groupObj = this._groups[group] = [];
                groupObj.inFlight = 0;
        }
        if(!test){
                return groupObj;
        }

        // create the test fixture
        var tObj;
        if(lang.isFunction(test) || lang.isString(test) || "runTest" in test){
                return createFixture(group, test, type) ? groupObj : 0;
        }else if(lang.isArray(test)){
                // a vector of tests...
                for(var i=0; i<test.length; i++){
                        tObj = createFixture(group, test[i], type);
                        if(!tObj){
                                this.debug("ERROR:");
                                this.debug("\tillegal test is test array; more information follows...");
                                return null;
                        }
                }
                return groupObj;
        }else{
                // a hash of tests...
                for(var testName in test){
                        var theTest = test[testName];
                        if(lang.isFunction(theTest) || lang.isString(theTest)){
                                tObj = createFixture(group, {name: testName, runTest: theTest}, type);
                        }else{
                                // should be an object
                                theTest.name = theTest.name || testName;
                                tObj = createFixture(group, theTest, type);
                        }
                        if(!tObj){
                                this.debug("ERROR:");
                                this.debug("\tillegal test is test hash; more information follows...");
                                return null;
                        }
                }
                return groupObj;
        }
};

doh._registerTestAndCheck = function(groupId, test, type, testArgPosition, args, setUp, tearDown){
        var amdMid = 0;
        if(groupId){
                if(type){
                        // explicitly provided type; therefore don't try to get type from groupId
                        var match = groupId.match(/([^\!]+)\!(.+)/);
                        if(match){
                                amdMid = match[1];
                                groupId = match[2];
                        }
                }else{
                        var parts = groupId && groupId.split("!");
                        if(parts.length == 3){
                                amdMid = parts[0];
                                groupId = parts[1];
                                type = parts[2];
                        }else if(parts.length == 2){
                                // either (amdMid, group) or (group, type)
                                if(parts[1] in doh._testTypes){
                                        groupId = parts[0];
                                        type = parts[1];
                                }else{
                                        amdMid = parts[0];
                                        groupId = parts[1];
                                }
                        } // else, no ! and just a groupId
                }
        }

        var group = doh._registerTest(groupId, test, type);
        if(group){
                if(amdMid){
                        group.amdMid = amdMid;
                }
                if(setUp){
                        group.setUp = setUp;
                }
                if(tearDown){
                        group.tearDown = tearDown;
                }
        }else{
                illegalRegister(arguments, testArgPosition);
        }
};

doh._registerUrl = function(/*String*/ group, /*String*/ url, /*Integer*/ timeout, /*String*/ type, /*object*/ dohArgs){
        // slot to be filled in
        this.debug("ERROR:");
        this.debug("\tNO registerUrl() METHOD AVAILABLE.");
};

var typeSigs = (function(){
        // Generate machinery to decode the many register signatures; these are the possible signatures.

        var sigs = [
                // note: to===timeout, up===setUp, down===tearDown

                // 1 arg
                "test", function(args, a1){doh._registerTestAndCheck("ungrouped", a1, 0, 0, args, 0, 0);},
                "url", function(args, a1){doh._registerUrl("ungrouped", a1);},

                // 2 args
                "group-test", function(args, a1, a2){doh._registerTestAndCheck(a1, a2, 0, 0, args, 0, 0);},
                "test-type", function(args, a1, a2){doh._registerTestAndCheck("ungrouped", a1, a2, 1, args, 0, 0);},
                "test-up", function(args, a1, a2){doh._registerTestAndCheck("ungrouped", a1, 0, 0, args, a2, 0);},
                "group-url", function(args, a1, a2){doh._registerUrl(a1, a2);},
                "url-to", function(args, a1, a2){doh._registerUrl("ungrouped", a1, a2);},
                "url-type", function(args, a1, a2){doh._registerUrl("ungrouped", a1, undefined, a2);},
                "url-args", function(args, a1, a2){doh._registerUrl("ungrouped", a1, undefined, 0, a2);},

                // 3 args
                "group-test-type", function(args, a1, a2, a3){doh._registerTestAndCheck(a1, a2, a3, 2, args, 0, 0);},
                "group-test-up", function(args, a1, a2, a3){doh._registerTestAndCheck(a1, a2, 0, 2, args, a3, 0);},
                "test-type-up", function(args, a1, a2, a3){doh._registerTestAndCheck("ungrouped", a1, a2, 0, args, a3, 0);},
                "test-up-down", function(args, a1, a2, a3){doh._registerTestAndCheck("ungrouped", a1, 0, 0, args, a2, a3);},
                "group-url-to", function(args, a1, a2, a3){doh._registerUrl(a1, a2, a3);},
                "group-url-type", function(args, a1, a2, a3){doh._registerUrl(a1, a2, undefined, a3);},
                "group-url-args", function(args, a1, a2, a3){doh._registerUrl(a1, a2, undefined, 0, a3);},
                "url-to-type", function(args, a1, a2, a3){doh._registerUrl("ungrouped", a1, a2, a3);},
                "url-to-args", function(args, a1, a2, a3){doh._registerUrl("ungrouped", a1, a2, 0, a3);},
                "url-type-args", function(args, a1, a2, a3){doh._registerUrl("ungrouped", a1, undefined, a2, a3);},

                // 4 args
                "group-test-type-up", function(args, a1, a2, a3, a4){doh._registerTestAndCheck(a1, a2, a3, 2, args, a4, 0);},
                "group-test-up-down", function(args, a1, a2, a3, a4){doh._registerTestAndCheck(a1, a2, 0, 2, args, a3, a4);},
                "test-type-up-down", function(args, a1, a2, a3, a4){doh._registerTestAndCheck("ungrouped", a1, 2, 0, args, a3, a4);},
                "group-url-to-type", function(args, a1, a2, a3, a4){doh._registerUrl(a1, a2, a3, a4);},
                "group-url-to-args", function(args, a1, a2, a3, a4){doh._registerUrl(a1, a2, a3, 0, a4);},
                "group-url-type-args", function(args, a1, a2, a3, a4){doh._registerUrl(a1, a2, undefined, a3, a4);},
                "url-to-type-args", function(args, a1, a2, a3, a4){doh._registerUrl("ungrouped", a1, a2, a3, a4);},

                // 5 args
                "group-test-type-up-down", function(args, a1, a2, a3, a4, a5){doh._registerTestAndCheck(a1, a2, a3, 2, args, a4, a5);},
                "group-url-to-type-args", function(args, a1, a2, a3, a4, a5){doh._registerUrl(a1, a2, a3, a4, a5);}
        ];

        // type-ids
        // a - array
        // st - string, possible type
        // sf - string, possible function
        // s - string not a type or function
        // o - object
        // f - function
        // n - number
    // see getTypeId inside doh.register
        var argTypes = {
                group:"st.sf.s",
                test:"a.sf.o.f",
                type:"st",
                up:"f",
                down:"f",
                url:"s",
                to:"n",
                args:"o"
        };
        for(var p in argTypes){
                argTypes[p]= argTypes[p].split(".");
        }

        function generateTypeSignature(sig, pattern, dest, func){
                for(var nextPattern, reducedSig= sig.slice(1), typeList= argTypes[sig[0]], i=0; i<typeList.length; i++){
                        nextPattern =  pattern + (pattern ? "-" : "") + typeList[i];
                        if(reducedSig.length){
                                generateTypeSignature(reducedSig, nextPattern, dest, func);
                        }else{
                                dest.push(nextPattern, func);
                        }
                }
        }

        var typeSigs = [];
        for(var sig, func, dest, i = 0; i<sigs.length; i++){
                sig = sigs[i++].split("-");
                func = sigs[i];
                dest = typeSigs[sig.length-1] || (typeSigs[sig.length-1]= []);
                generateTypeSignature(sig, "", dest, func);
        }
        return typeSigs;
})();


doh.register = function(a1, a2, a3, a4, a5){
        /*=====
        doh.register = function(groupId, testOrTests, timeoutOrSetUp, tearDown){
        // summary:
        //              Add a test or group of tests.
        // description:
        //              Adds the test or tests given by testsOrUrl to the group given by group (if any). For URL tests, unless
        //              a group is explicitly provided the group given by the URL until the document arrives at which
        //              point the group is renamed to the title of the document. For non-URL tests, if groupId is
        //              not provided, then tests are added to the group "ungrouped"; otherwise if the given groupId does not
        //              exist, it is created; otherwise, tests are added to the already-existing group.
        //
        //              groupIds may contain embedded AMD module identifiers as prefixes and/or test types as suffixes. Prefixes
        //              and suffixes are denoted by a "!". For example
        // groupId: String?
        //              The name of the group, optionally with an AMD module identifier prefix and/or
        //              test type suffix. The value character set for group names and AMD module indentifiers
        //              is given by [A-Za-z0-9_/.-]. If provided, prefix and suffix are denoted by "!". If
        //              provided, type must be a valid test type.
        // testOrTests: Array||Function||Object||String||falsy
        //              When a function, implies a function that defines a single test. DOH passes the
        //              DOH object to the function as the sole argument when the test is executed. When
        //              a string, implies the definition of a single test given by `new Function("t", testOrTests)`.
        //              When an object that contains the method `runTest` (which *must* be a function),
        //              implies a single test given by the value of the property `runTest`. In this case,
        //              the object may also contain the methods `setup` and `tearDown`, and, if provided, these
        //              will be invoked on either side of the test function. Otherwise when an object (that is,
        //              an object that does not contain the method `runTest`), then a hash from test name to
        //              test function (either a function or string as described above); any names that begin
        //              with "_" are ignored. When an array, the array must exclusively contain functions,
        //              strings, and/or objects as described above and each item is added to the group as
        //              per the items semantics.
        // timeoutOrSetUp: integer||Function?
        //              If tests is a URL, then must be an integer giving the number milliseconds to wait for the test
        //              page to load before signaling an error; otherwise, a function for initializing the test group.
        //              If a tearDown function is given, then a setup function must also be given.
        // tearDown: Function?
        //              A function for deinitializing the test group.
        // example:
        // | `"myTest/MyGroup"`                                                 // just a group, group ids need not include a slash
        // | `"myTest/MyGroup!perf"`                                    // group with test type
        // | `"path/to/amd/module!myTest/MyGroup"`              // group with AMD module identifier
        // | `"path/to/amd/module!myTest/MyGroup!perf"` // group with both AMD module identifier and test type
        //
        //              Groups associated with AMD module identifiers may be unloaded/reloaded if using an AMD loader with
        //              reload support (dojo's AMD loader includes such support). If no AMD module identifier is given,
        //              the loader supports reloading, and the user demands a reload, then the groupId will be used
        //              as the AMD module identifier.
        //
        //              For URL tests, the groupId is changed to the document title (if any) upon document arrival. The
        //              title may include a test type suffix denoted with a "!" as described above.
        //
        //              For URL tests, if timeout is a number, then sets the timeout for loading
        //              the particular URL; otherwise, timeout is set to DOH.iframeTimeout.
        //
        //              For non-URL tests, if setUp and/or tearDown are provided, then any previous setUp and/or
        //              tearDown functions for the group are replaced as given. You may affect just setUp and/or tearDown
        //              for a group and not provide/add any tests by providing falsy for the test argument.
        // example:
        // | var
        // |    t1= function(t) {
        // |            // this is a test
        // |            // t will be set to DOH when the test is executed by DOH
        // |            // etc.
        // |    },
        // |
        // |    t2= {
        // |            // this is a test fixture and may be passed as a test
        // |
        // |            // runTest is always required...
        // |            runTest: function(t){
        // |                    // the test...
        // |            },
        // |
        // |            // name is optional, but recommended...
        // |            name:"myTest",
        // |
        // |            // preamble is optional...
        // |            setUp: function(){
        // |                    // will be executed by DOH prior to executing the test
        // |            },
        // |
        // |            // postscript is optional...
        // |            tearDown: function(){ // op
        // |                    // will be executed by DOH after executing the test
        // |            }
        // |    }
        // |
        // |    t3= [
        // |            // this is a vector of tests...
        // |            t1, t2
        // |    ],
        // |
        // |    t4= {
        // |            // this is a map from test name to test or test fixture
        // |            t5: function(t){
        // |                    // etc.
        // |            },
        // |
        // |            t6: {
        // |                    runTest: function(t){
        // |                    // etc.
        // |                    }
        // |                    // name will be automatically added as "t6"
        // |            }
        // |    },
        // |
        // |    aSetup: function(){
        // |            // etc.
        // |    },
        // |
        // |    aTearDown: function(){
        // |            // etc.
        // |    };
        // | // (test); note, can't provide setup/tearDown without a group
        // | doh.register(t1);
        // |
        // | // (group, test, setUp, tearDown) test and/or setUp and/or tearDown can be missing
        // | doh.register("myGroup", 0, aSetUp, aTearDown);
        // | doh.register("myGroup", t1, aSetUp, aTearDown);
        // | doh.register("myGroup", t1, aSetUp);
        // | doh.register("myGroup", t1, 0, aTearDown);
        // | doh.register("myGroup", t1);
        // |
        // | // various kinds of test arguments are allowed
        // | doh.register("myGroup", t2);
        // | doh.register("myGroup", t3);
        // | doh.register("myGroup", t4);
        // |
        // | // add a perf test
        // | doh.register("myGroup!perf", t1);
        // |
        // | // add a perf test with an AMD module identifier
        // | doh.register("path/to/my/module!myGroup!perf", t1);
        //
        //      doh.register also supports Dojo, v1.6- signature (group, test, type), although this signature is deprecated.
        };
        =====*/

        function getTypeId(a){
                if(a instanceof Array){
                        return "a";
                }else if(typeof a == "function"){
                        return "f";
                }else if(typeof a == "number"){
                        return "n";
                }else if(typeof a == "string"){
                        if(a in doh._testTypes){
                                return "st";
                        }else if(/\(/.test(a)){
                                return "sf";
                        }else{
                                return "s";
                        }
                }else{
                        return "o";
                }
        }

        var
                arity = arguments.length,
                search = typeSigs[arity-1],
                sig = [],
                i;
        for(i =0; i<arity; i++){
                sig.push(getTypeId(arguments[i]));
        }
        sig = sig.join("-");
        for(i=0; i<search.length; i+= 2){
                if(search[i]==sig){
                        search[i+1](arguments, a1, a2, a3, a4, a5);
                        return;
                }
        }
        illegalRegister(arguments);
};

doh.registerDocTests = function(module){
        // summary:
        //              Deprecated.    Won't work unless you manually load dojox.testing.DocTest, and likely not even then.
        //              Gets all the doctests from the given module and register each of them as a single test case here.

        var docTest = new dojox.testing.DocTest();
        var docTests = docTest.getTests(module);
        var len = docTests.length;
        var tests = [];
        for (var i=0; i<len; i++){
                var test = docTests[i];
                // Extract comment on first line and add to test name.
                var comment = "";
                if (test.commands.length && test.commands[0].indexOf("//")!=-1) {
                        var parts = test.commands[0].split("//");
                        comment = ", "+parts[parts.length-1]; // Get all after the last //, so we don't get trapped by http:// or alikes :-).
                }
                tests.push({
                        runTest: (function(test){
                                return function(t){
                                        var r = docTest.runTest(test.commands, test.expectedResult);
                                        t.assertTrue(r.success);
                                };
                        })(test),
                        name:"Line "+test.line+comment
                }
                );
        }
        this.register("DocTests: "+module, tests);
};

//
// deprecated v1.6- register API follows
//

doh.registerTest = function(/*String*/ group, /*Array||Function||Object*/ test, /*String*/ type){
        // summary:
        //              Deprecated.  Use doh.register(group/type, test) instead
        doh.register(group + (type ? "!" + type : ""), test);
};

doh.registerGroup = function(/*String*/ group, /*Array||Function||Object*/ tests, /*Function*/ setUp, /*Function*/ tearDown, /*String*/ type){
        // summary:
        //              Deprecated.  Use doh.register(group/type, tests, setUp, tearDown) instead
        var args = [(group ? group : "") + (type ? "!" + type : ""), tests];
        setUp && args.push(setUp);
        tearDown && args.push(tearDown);
        doh.register.apply(doh, args);
};

doh.registerTestNs = function(/*String*/ group, /*Object*/ ns){
        // summary:
        //              Deprecated.  Use doh.register(group, ns) instead
        doh.register(group, ns);
};

doh.registerTests = function(/*String*/ group, /*Array*/ testArr, /*String*/ type){
        // summary:
        //              Deprecated.  Use doh.register(group/type, testArr) instead
        doh.register(group + (type ? "!" + type : ""), testArr);
};

doh.registerUrl = function(/*String*/ group, /*String*/ url, /*Integer*/ timeout, /*String*/ type, /*Object*/ args){
        // summary:
        //              Deprecated.  Use doh.register(group/type, url, timeout) instead
        doh.register(group + (type ? "!" + type : ""), url+"", timeout || 10000, args || {});
};

//
// Assertions and In-Test Utilities
//
doh.t = doh.assertTrue = function(/*Object*/ condition, /*String?*/ hint){
        // summary:
        //              is the passed item "truthy"?
        if(arguments.length < 1){
                throw new doh._AssertFailure("assertTrue failed because it was not passed at least 1 argument");
        }
        //if(lang.isString(condition) && condition.length){
        //      return true;
        //}
        if(!eval(condition)){
                throw new doh._AssertFailure("assertTrue('" + condition + "') failed", hint);
        }
};

doh.f = doh.assertFalse = function(/*Object*/ condition, /*String?*/ hint){
        // summary:
        //              is the passed item "falsey"?
        if(arguments.length < 1){
                throw new doh._AssertFailure("assertFalse failed because it was not passed at least 1 argument");
        }
        if(eval(condition)){
                throw new doh._AssertFailure("assertFalse('" + condition + "') failed", hint);
        }
};

doh.e = doh.assertError = function(/*Error object*/expectedError, /*Object*/scope, /*String*/functionName, /*Array*/args, /*String?*/ hint){
        // summary:
        //              Test for a certain error to be thrown by the given function.
        // example:
        //              t.assertError(dojox.data.QueryReadStore.InvalidAttributeError, store, "getValue", [item, "NOT THERE"]);
        //              t.assertError(dojox.data.QueryReadStore.InvalidItemError, store, "getValue", ["not an item", "NOT THERE"]);
        try{
                scope[functionName].apply(scope, args);
        }catch (e){
                if(e instanceof expectedError){

                        return true;
                }else{
                        throw new doh._AssertFailure("assertError() failed:\n\texpected error\n\t\t"+expectedError+"\n\tbut got\n\t\t"+e+"\n\n", hint);
                }
        }
        throw new doh._AssertFailure("assertError() failed:\n\texpected error\n\t\t"+expectedError+"\n\tbut no error caught\n\n", hint);
};

doh.is = doh.assertEqual = function(/*Object*/ expected, /*Object*/ actual, /*String?*/ hint, doNotThrow){
        // summary:
        //              are the passed expected and actual objects/values deeply
        //              equivalent?

        // Compare undefined always with three equal signs, because undefined==null
        // is true, but undefined===null is false.
        if((expected === undefined)&&(actual === undefined)){
                return true;
        }
        if(arguments.length < 2){
                throw doh._AssertFailure("assertEqual failed because it was not passed 2 arguments");
        }
        if((expected === actual)||(expected == actual)||
                                ( typeof expected == "number" && typeof actual == "number" && isNaN(expected) && isNaN(actual) )){

                return true;
        }
        if( (lang.isArray(expected) && lang.isArray(actual))&&
                (this._arrayEq(expected, actual)) ){
                return true;
        }
        if( ((typeof expected == "object")&&((typeof actual == "object")))&&
                (this._objPropEq(expected, actual)) ){
                return true;
        }
        if (doNotThrow) {
                return false;
        }
        throw new doh._AssertFailure("assertEqual() failed:\n\texpected\n\t\t"+expected+"\n\tbut got\n\t\t"+actual+"\n\n", hint);
};

doh.isNot = doh.assertNotEqual = function(/*Object*/ notExpected, /*Object*/ actual, /*String?*/ hint){
        // summary:
        //              are the passed notexpected and actual objects/values deeply
        //              not equivalent?

        // Compare undefined always with three equal signs, because undefined==null
        // is true, but undefined===null is false.
        if((notExpected === undefined)&&(actual === undefined)){
                                throw new doh._AssertFailure("assertNotEqual() failed: not expected |"+notExpected+"| but got |"+actual+"|", hint);
        }
        if(arguments.length < 2){
                throw doh._AssertFailure("assertEqual failed because it was not passed 2 arguments");
        }
        if((notExpected === actual)||(notExpected == actual)){
                                throw new doh._AssertFailure("assertNotEqual() failed: not expected |"+notExpected+"| but got |"+actual+"|", hint);
        }
        if( (lang.isArray(notExpected) && lang.isArray(actual))&&
                (this._arrayEq(notExpected, actual)) ){
                throw new doh._AssertFailure("assertNotEqual() failed: not expected |"+notExpected+"| but got |"+actual+"|", hint);
        }
        if( ((typeof notExpected == "object")&&((typeof actual == "object"))) ){
                var isequal = false;
                try{
                        isequal = this._objPropEq(notExpected, actual);
                }catch(e){
                        if(!(e instanceof doh._AssertFailure)){
                                throw e; // other exceptions, just throw it
                        }
                }
                if(isequal){
                                throw new doh._AssertFailure("assertNotEqual() failed: not expected |"+notExpected+"| but got |"+actual+"|", hint);
                }
        }
        return true;
};

doh._arrayEq = function(expected, actual){
        if(expected.length != actual.length){ return false; }
        // FIXME: we're not handling circular refs. Do we care?
        for(var x=0; x<expected.length; x++){
                if(!doh.assertEqual(expected[x], actual[x], 0, true)){ return false; }
        }
        return true;
};

doh._objPropEq = function(expected, actual){
        // Degenerate case: if they are both null, then their "properties" are equal.
        if(expected === null && actual === null){
                return true;
        }
        // If only one is null, they aren't equal.
        if(expected === null || actual === null){
                return false;
        }
        if(expected instanceof Date){
                return actual instanceof Date && expected.getTime()==actual.getTime();
        }
        var x;
        // Make sure ALL THE SAME properties are in both objects!
        for(x in actual){ // Lets check "actual" here, expected is checked below.
                if(!(x in expected)){
                        return false;
                }
        }

        for(x in expected){
                if(!(x in actual)){
                        return false;
                }
                if(!doh.assertEqual(expected[x], actual[x], 0, true)){
                        return false;
                }
        }
        return true;
};

//
// Runner-Wrapper
//

doh._setupGroupForRun = function(/*String*/ groupName){
        var tg = this._groups[groupName];
        this.debug(this._line);
        this.debug("GROUP", "\""+groupName+"\"", "has", tg.length, "test"+((tg.length > 1) ? "s" : "")+" to run");
        doh._groupStarted(groupName);
};

doh._handleFailure = function(groupName, fixture, e){
        // this.debug("FAILED test:", fixture.name);
        // mostly borrowed from JUM
        this._groups[groupName].failures++;
        var out = "";
        if(e instanceof this._AssertFailure){
                this._failureCount++;
                if(e["fileName"]){ out += e.fileName + ':'; }
                if(e["lineNumber"]){ out += e.lineNumber + ' '; }
                out += e.message;
                this.error("\t_AssertFailure:", out);
        }else{
                this._errorCount++;
                this.error("\tError:", e.message || e); // printing Error on IE9 (and other browsers?) yields "[Object Error]"
        }
        if(fixture.runTest["toSource"]){
                var ss = fixture.runTest.toSource();
                this.debug("\tERROR IN:\n\t\t", ss);
        }else{
                this.debug("\tERROR IN:\n\t\t", fixture.runTest);
        }
        if(e.rhinoException){
                e.rhinoException.printStackTrace();
        }else if(e.javaException){
                e.javaException.printStackTrace();
        }
};

doh._runPerfFixture = function(/*String*/ groupName, /*Object*/ fixture){
        // summary:
        //              This function handles how to execute a 'performance' test
        //              which is different from a straight UT style test.  These
        //              will often do numerous iterations of the same operation and
        //              gather execution statistics about it, like max, min, average,
        //              etc.    It makes use of the already in place DOH deferred test
        //              handling since it is a good idea to put a pause in between each
        //              iteration to allow for GC cleanup and the like.
        // groupName:
        //              The test group that contains this performance test.
        // fixture:
        //              The performance test fixture.
        var tg = this._groups[groupName];
        fixture.startTime = new Date();

        // Perf tests always need to act in an async manner as there is a
        // number of iterations to flow through.
        var def = new doh.Deferred();
        tg.inFlight++;
        def.groupName = groupName;
        def.fixture = fixture;

        var threw = false;
        def.otherwise(function(err){
                doh._handleFailure(groupName, fixture, err);
                threw = true;
        });

        // Set up the finalizer.
        var fulfilled;
        var retEnd = function(){
                fulfilled = true;
                if(fixture["tearDown"]){ fixture.tearDown(doh); }
                tg.inFlight--;
                if((!tg.inFlight)&&(tg.iterated)){
                        doh._groupFinished(groupName, !tg.failures);
                }
                doh._testFinished(groupName, fixture, !threw);
                if(doh._paused){
                        doh.run();
                }
        };

        // Since these can take who knows how long, we don't want to timeout
        // unless explicitly set
        var timer;
        var to = fixture.timeout;
        if(to > 0) {
                timer = setTimeout(function(){
                        def.reject(new Error("test timeout in "+fixture.name.toString()));
                }, to);
        }

        // Set up the end calls to the test into the deferred we'll return.
        def.always(function(){
                if(timer){
                        clearTimeout(timer);
                }
                retEnd();
        });

        // Okay, now set up the timing loop for the actual test.
        // This is down as an async type test where there is a delay
        // between each execution to allow for GC time, etc, so the GC
        // has less impact on the tests.
        var res = fixture.results;
        res.trials = [];

        // Try to figure out how many calls are needed to hit a particular threshold.
        var itrDef = doh._calcTrialIterations(groupName, fixture);

        // Blah, since tests can be deferred, the actual run has to be deferred until after
        // we know how many iterations to run.  This is just plain ugly.
        itrDef.then(
                function(iterations){
                        if(iterations){
                                var countdown = fixture.trialIterations;
                                doh.debug("TIMING TEST: [" + fixture.name +
                                                        "]\n\t\tITERATIONS PER TRIAL: " +
                                                        iterations + "\n\tTRIALS: " +
                                                        countdown);

                                // Figure out how many times we want to run our 'trial'.
                                // Where each trial consists of 'iterations' of the test.

                                var trialRunner = function() {
                                        // Set up our function to execute a block of tests
                                        var start = new Date();
                                        var tTimer = new doh.Deferred();

                                        var tState = {
                                                countdown: iterations
                                        };
                                        var testRunner = function(state){
                                                while(state){
                                                        try{
                                                                state.countdown--;
                                                                if(state.countdown){
                                                                        var ret = fixture.runTest(doh);
                                                                        if(ret && ret.then){
                                                                                // Deferreds have to be handled async,
                                                                                // otherwise we just keep looping.
                                                                                var atState = {
                                                                                        countdown: state.countdown
                                                                                };
                                                                                ret.then(
                                                                                        function(){
                                                                                                testRunner(atState)
                                                                                        },
                                                                                        function(err){
                                                                                                doh._handleFailure(groupName, fixture, err);
                                                                                                fixture.endTime = new Date();
                                                                                                def.reject(err);
                                                                                        }
                                                                                );
                                                                                state = null;
                                                                        }
                                                                }else{
                                                                        tTimer.resolve(new Date());
                                                                        state = null;
                                                                }
                                                        }catch(err){
                                                                fixture.endTime = new Date();
                                                                tTimer.reject(err);
                                                        }
                                                }
                                        };
                                        tTimer.then(
                                                function(end){
                                                        // Figure out the results and try to factor out function call costs.
                                                        var tResults = {
                                                                trial: (fixture.trialIterations - countdown),
                                                                testIterations: iterations,
                                                                executionTime: (end.getTime() - start.getTime()),
                                                                average: (end.getTime() - start.getTime())/iterations
                                                        };
                                                        res.trials.push(tResults);
                                                        doh.debug("\n\t\tTRIAL #: " +
                                                                                tResults.trial + "\n\tTIME: " +
                                                                                tResults.executionTime + "ms.\n\tAVG TEST TIME: " +
                                                                                (tResults.executionTime/tResults.testIterations) + "ms.");

                                                        // Okay, have we run all the trials yet?
                                                        countdown--;
                                                        if(countdown){
                                                                setTimeout(trialRunner, fixture.trialDelay);
                                                        }else{
                                                                // Okay, we're done, let's compute some final performance results.
                                                                var t = res.trials;

                                                                // We're done.
                                                                fixture.endTime = new Date();
                                                                def.resolve(true);
                                                        }
                                                },

                                                // Handler if tTimer gets an error
                                                function(err){
                                                        fixture.endTime = new Date();
                                                        def.reject(err);
                                                }
                                        );
                                        testRunner(tState);
                                };
                                trialRunner();
                        }
                },

                // Handler if itrDef gets an error
                function(err){
                        fixture.endTime = new Date();
                        def.reject(err);
                }
        );

        // Set for a pause, returned the deferred.
        if(!fulfilled){
                doh.pause();
        }
        return def;
};

doh._calcTrialIterations =      function(/*String*/ groupName, /*Object*/ fixture){
        // summary:
        //              This function determines the rough number of iterations to
        //              use to reach a particular MS threshold.  This returns a deferred
        //              since tests can theoretically by async.  Async tests aren't going to
        //              give great perf #s, though.
        //              The callback is passed the # of iterations to hit the requested
        //              threshold.
        // fixture:
        //              The test fixture we want to calculate iterations for.
        var def = new doh.Deferred();
        var calibrate = function () {
                var testFunc = lang.hitch(fixture, fixture.runTest);

                // Set the initial state.       We have to do this as a loop instead
                // of a recursive function.     Otherwise, it blows the call stack
                // on some browsers.
                var iState = {
                        start: new Date(),
                        curIter: 0,
                        iterations: 5
                };
                var handleIteration = function(state){
                        while(state){
                                if(state.curIter < state.iterations){
                                        try{
                                                var ret = testFunc(doh);
                                                if(ret && ret.then){
                                                        var aState = {
                                                                start: state.start,
                                                                curIter: state.curIter + 1,
                                                                iterations: state.iterations
                                                        };
                                                        ret.then(
                                                                function(){
                                                                        handleIteration(aState);
                                                                },
                                                                function(err) {
                                                                        fixture.endTime = new Date();
                                                                        def.reject(err);
                                                                }
                                                        );
                                                        state = null;
                                                }else{
                                                        state.curIter++;
                                                }
                                        }catch(err){
                                                fixture.endTime = new Date();
                                                def.reject(err);
                                                return;
                                        }
                                }else{
                                        var end = new Date();
                                        var totalTime = (end.getTime() - state.start.getTime());
                                        if(totalTime < fixture.trialDuration){
                                                var nState = {
                                                        iterations: state.iterations * 2,
                                                        curIter: 0
                                                };
                                                state = null;
                                                setTimeout(function(){
                                                        nState.start = new Date();
                                                        handleIteration(nState);
                                                }, 50);
                                        }else{
                                                var itrs = state.iterations;
                                                setTimeout(function(){def.resolve(itrs)}, 50);
                                                state = null;
                                        }
                                }
                        }
                };
                handleIteration(iState);
        };
        setTimeout(calibrate, 10);
        return def;
};

doh._runRegFixture = function(/*String*/ groupName, /*Object*/ fixture){
        // summary:
        //              Function to help run a generic doh test.  Called from _runFixture().  These are not
        //              specialized tests, like performance groups and such.
        // groupName:
        //              The groupName of the test.
        // fixture:
        //              The test fixture to execute.

        var tg = this._groups[groupName];

        fixture.startTime = new Date();

        var ret = fixture.runTest(this);

        // if we get a deferred back from the test runner, we know we're
        // gonna wait for an async result. It's up to the test code to trap
        // errors and give us an errback or callback.
        if(ret && ret.then){

                // If ret is a dojo/Deferred, get the corresponding Promise; it has some additional methods we need.
                if(ret.promise){
                        ret = ret.promise;
                }

                tg.inFlight++;
                ret.groupName = groupName;
                ret.fixture = fixture;

                // Setup handler for when test fails.
                var threw = false;
                ret.otherwise(function(err){
                        if(threw){
                                // the fixture timeout (below) must have already fired
                                return;
                        }
                        doh._handleFailure(groupName, fixture, err);
                        threw = true;
                });

                var fulfilled;
                var retEnd = function(){
                        // summary:
                        //              Called when tests finishes successfully, fails, or times out

                        if(fulfilled){
                                // retEnd() has already executed; probably the timeout above fired and then later ret completed.
                                return;
                        }
                        fulfilled = true;

                        fixture.endTime = new Date();

                        if(fixture.tearDown){
                                try {
                                        fixture.tearDown(doh);
                                }catch(e){
                                        this.debug("Error tearing down test: "+e.message);
                                }
                        }
                        tg.inFlight--;
                        doh._testFinished(groupName, fixture, !threw);

                        if((!tg.inFlight)&&(tg.iterated)){
                                doh._groupFinished(groupName, !tg.failures);
                        }

                        // Go on to next test
                        if(doh._paused){
                                doh.run();
                        }
                };

                var timer = setTimeout(function(){
                        if(!timer){
                                // we already called clearTimeout(), but it fired anyway, due to IE bug; just ignore.
                                return;
                        }
                        // Note: cannot call ret.reject() because ret may be a readonly promise
                        doh._handleFailure(groupName, fixture, new Error("test timeout in " + fixture.name.toString()));
                        threw = true;
                        retEnd();
                }, fixture["timeout"]||1000);

                ret.always(function(){
                        clearTimeout(timer);
                        timer = null;
                        retEnd();
                });

                if(!fulfilled){
                        doh.pause();
                }

                return ret;
        }else{
                // Synchronous test; tearDown etc. handled in _runFixture(), the function that called me
        }
};

doh._runFixture = function(groupName, fixture){
        var tg = this._groups[groupName];
        this._testStarted(groupName, fixture);
        var threw = false;
        var err = null;
        // run it, catching exceptions and reporting them
        try{
                // let doh reference "this.group.thinger..." which can be set by
                // another test or group-level setUp function
                fixture.group = tg;
                // only execute the parts of the fixture we've got

                if(fixture["setUp"]){ fixture.setUp(this); }
                if(fixture["runTest"]){         // should we error out of a fixture doesn't have a runTest?
                        if(fixture.testType === "perf"){
                                // Always async deferred, so return it.
                                return doh._runPerfFixture(groupName, fixture);
                        }else{
                                // May or may not by async.
                                var ret = doh._runRegFixture(groupName, fixture);
                                if(ret){
                                        // this design is ridiculous, but tearDown etc. is handled in _runRegFixture iff fixture is async;
                                        // likewise with runPerfFixture
                                        return ret;
                                }
                        }
                }
        }catch(e){
                threw = true;
                err = e;
        }

        // The rest of the code in this function executes only if test returns synchronously...

        fixture.endTime = new Date();

        // should try to tear down regardless whether test passed or failed...
        try{
                if(fixture["tearDown"]){ fixture.tearDown(this); }
        }catch(e){
                this.debug("Error tearing down test: "+e.message);
        }

        var d = new doh.Deferred();
        setTimeout(lang.hitch(this, function(){
                if(threw){
                        this._handleFailure(groupName, fixture, err);
                }
                this._testFinished(groupName, fixture, !threw);

                if((!tg.inFlight)&&(tg.iterated)){
                        doh._groupFinished(groupName, !tg.failures);
                }else if(tg.inFlight > 0){
                        setTimeout(lang.hitch(this, function(){
                                doh.runGroup(groupName);
                        }), 100);
                        this._paused = true;
                }
                if(doh._paused){
                        doh.run();
                }
        }), 30);
        doh.pause();
        return d;
};

doh.runGroup = function(/*String*/ groupName, /*Integer*/ idx){
        // summary:
        //              runs the specified test group

        // the general structure of the algorithm is to run through the group's
        // list of doh, checking before and after each of them to see if we're in
        // a paused state. This can be caused by the test returning a deferred or
        // the user hitting the pause button. In either case, we want to halt
        // execution of the test until something external to us restarts it. This
        // means we need to pickle off enough state to pick up where we left off.

        // FIXME: need to make fixture execution async!!

        idx = idx || 0;
        var tg = this._groups[groupName];
        if(tg.skip === true){ return; }
        if(lang.isArray(tg)){
                if(tg.iterated===undefined){
                        tg.iterated = false;
                        tg.inFlight = 0;
                        tg.failures = 0;
                        this._setupGroupForRun(groupName);
                        if(tg["setUp"]){ tg.setUp(this); }
                }
                for(var y=idx; y<tg.length; y++){
                        if(this._paused){
                                this._currentTest = y;
                                // this.debug("PAUSED at:", tg[y].name, this._currentGroup, this._currentTest);
                                return;
                        }
                        doh._runFixture(groupName, tg[y]);
                        if(this._paused){
                                this._currentTest = y+1;
                                if(this._currentTest == tg.length){ // RCG--don't think we need this; the next time through it will be taken care of
                                        tg.iterated = true;
                                }
                                // this.debug("PAUSED at:", tg[y].name, this._currentGroup, this._currentTest);
                                return;
                        }
                }
                tg.iterated = true;
                if(!tg.inFlight){
                        if(tg["tearDown"]){ tg.tearDown(this); }
                        doh._groupFinished(groupName, !tg.failures);
                }
        }
};

doh._onEnd = function(){};

doh._report = function(){
        // summary:
        //              a private method to be implemented/replaced by the "locally
        //              appropriate" test runner

        // this.debug("ERROR:");
        // this.debug("\tNO REPORTING OUTPUT AVAILABLE.");
        // this.debug("\tIMPLEMENT doh._report() IN YOUR TEST RUNNER");

        this.debug(this._line);
        this.debug("| TEST SUMMARY:");
        this.debug(this._line);
        this.debug("\t", this._testCount, "tests in", this._groupCount, "groups");
        this.debug("\t", this._errorCount, "errors");
        this.debug("\t", this._failureCount, "failures");
};

doh.togglePaused = function(){
        this[(this._paused) ? "run" : "pause"]();
};

doh.pause = function(){
        // summary:
        //              halt test run. Can be resumed.
        this._paused = true;
};

doh.run = function(){
        // summary:
        //              begins or resumes the test process.
        
        this._paused = false;
        var cg = this._currentGroup;
        var ct = this._currentTest;
        var found = false;
        if(!cg){
                this._init(); // we weren't paused
                found = true;
        }
        this._currentGroup = null;
        this._currentTest = null;
        for(var x in this._groups){
                if(
                        ( (!found)&&(x == cg) )||( found )
                ){
                        if(this._paused){ return; }
                        this._currentGroup = x;
                        if(!found){
                                found = true;
                                this.runGroup(x, ct);
                        }else{
                                this.runGroup(x);
                        }
                        if(this._paused){ return; }
                }
        }
        this._currentGroup = null;
        this._currentTest = null;
        this._paused = false;
        this._onEnd();
        this._report();
};

doh.runOnLoad = function(){
        require(["dojo/ready"], function(ready){
                ready(doh, "run");
        });
};

return doh;

});

// backcompat hack: if in the browser, then loading doh/runner implies loading doh/_browserRunner. This is the
// behavior of 1.6- and is leveraged on many test documents that dojo.require("doh.runner"). Note that this
// hack will only work in synchronous mode; but if you're not in synchronous mode, you don't care about this.
// Remove for 2.0.
if (typeof window!="undefined" && typeof location!="undefined" && typeof document!="undefined" && window.location==location && window.document==document) {
        require(["doh/_browserRunner"]);
}