source: Dev/trunk/src/client/dojox/lang/tests/array.js

dojo.provide("dojox.lang.tests.array");

dojo.require("dojox.lang.functional");
dojo.require("dojox.lang.functional.fold");
dojo.require("dojox.lang.functional.reversed");

(function(){
        var df = dojox.lang.functional, v, isOdd = "%2", x = {a: 1, b: 2, c: 3};
        
        var revArrayIter = function(array){
                this.array    = array;
                this.position = array.length - 1;
        };
        dojo.extend(revArrayIter, {
                hasNext:        df.lambda("this.position >= 0"),
                next:           df.lambda("this.array[this.position--]")
        });
        
        tests.register("dojox.lang.tests.array", [
                function testFilter1(t){ t.assertEqual(df.filter([1, 2, 3], isOdd), [1, 3]); },
                function testFilter2(t){ t.assertEqual(df.filter([1, 2, 3], "%2==0"), [2]); },
                function testFilterIter(t){
                        var iter = new revArrayIter([1, 2, 3]);
                        t.assertEqual(df.filter(iter, isOdd), [3, 1]);
                },
                function testFilterRev(t){
                        var iter = new revArrayIter([1, 2, 3]);
                        t.assertEqual(df.filter(iter, isOdd), df.filterRev([1, 2, 3], isOdd));
                },
                
                function testForEach(t){
                        t.assertEqual((v = [], df.forEach([1, 2, 3], function(x){ v.push(x); }), v), [1, 2, 3]);
                },
                function testForEachIter(t){
                        var iter = new revArrayIter([1, 2, 3]);
                        t.assertEqual((v = [], df.forEach(iter, function(x){ v.push(x); }), v), [3, 2, 1]);
                },
                function testForEachRev(t){
                        t.assertEqual((v = [], df.forEachRev([1, 2, 3], function(x){ v.push(x); }), v), [3, 2, 1]);
                },
                
                function testMap(t){ t.assertEqual(df.map([1, 2, 3], "+3"), [4, 5, 6]); },
                function testMapIter(t){
                        var iter = new revArrayIter([1, 2, 3]);
                        t.assertEqual(df.map(iter, "+3"), [6, 5, 4]);
                },
                function testMapRev(t){
                        var iter = new revArrayIter([1, 2, 3]);
                        t.assertEqual(df.map(iter, "+3"), df.mapRev([1, 2, 3], "+3"));
                },
                
                function testEvery1(t){ t.assertFalse(df.every([1, 2, 3], isOdd)); },
                function testEvery2(t){ t.assertTrue(df.every([1, 3, 5], isOdd)); },
                function testEveryIter(t){
                        var iter = new revArrayIter([1, 3, 5]);
                        t.assertTrue(df.every(iter, isOdd));
                },
                function testEveryObj(t){ t.assertFalse(df.every(x, "%2")); },
                function testEveryRev1(t){ t.assertFalse(df.everyRev([1, 2, 3], isOdd)); },
                function testEveryRev2(t){ t.assertTrue(df.everyRev([1, 3, 5], isOdd)); },

                function testSome1(t){ t.assertFalse(df.some([2, 4, 6], isOdd)); },
                function testSome2(t){ t.assertTrue(df.some([1, 2, 3], isOdd)); },
                function testSomeIter(t){
                        var iter = new revArrayIter([1, 2, 3]);
                        t.assertTrue(df.some(iter, isOdd));
                },
                function testSomeObj(t){ t.assertTrue(df.some(x, "%2")); },
                function testSomeRev1(t){ t.assertFalse(df.someRev([2, 4, 6], isOdd)); },
                function testSomeRev2(t){ t.assertTrue(df.someRev([1, 2, 3], isOdd)); },

                function testReduce1(t){ t.assertEqual(df.reduce([4, 2, 1], "x-y"), 1); },
                function testReduce2(t){ t.assertEqual(df.reduce([4, 2, 1], "x-y", 8), 1); },
                function testReduceIter(t){
                        var iter = new revArrayIter([1, 2, 4]);
                        t.assertEqual(df.reduce(iter, "x-y"), 1);
                },
                
                function testReduceRight1(t){ t.assertEqual(df.reduceRight([4, 2, 1], "x-y"), -5); },
                function testReduceRight2(t){ t.assertEqual(df.reduceRight([4, 2, 1], "x-y", 8), 1); }
        ]);
})();