1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
if(!dojo._hasResource["dojox.lang.tests.fold"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.lang.tests.fold"] = true;
dojo.provide("dojox.lang.tests.fold");
dojo.require("dojox.lang.functional.fold");
dojo.require("dojox.lang.functional.scan");
dojo.require("dojox.lang.functional.curry");
(function(){
var df = dojox.lang.functional, a = df.arg;
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.fold", [
function testFoldl1(t){ t.assertEqual(df.foldl([1, 2, 3], "+", 0), 6); },
function testFoldl2(t){ t.assertEqual(df.foldl1([1, 2, 3], "*"), 6); },
function testFoldl3(t){ t.assertEqual(df.foldl1([1, 2, 3], "/"), 1/6); },
function testFoldl4(t){ t.assertEqual(df.foldl1([1, 2, 3], df.partial(Math.max, a, a)), 3); },
function testFoldl5(t){ t.assertEqual(df.foldl1([1, 2, 3], df.partial(Math.min, a, a)), 1); },
function testFoldlIter(t){
var iter = new revArrayIter([1, 2, 3]);
t.assertEqual(df.foldl(iter, "+", 0), 6);
},
function testFoldl1Iter(t){
var iter = new revArrayIter([1, 2, 3]);
t.assertEqual(df.foldl1(iter, "/"), 3/2);
},
function testFoldr1(t){ t.assertEqual(df.foldr([1, 2, 3], "+", 0), 6); },
function testFoldr2(t){ t.assertEqual(df.foldr1([1, 2, 3], "*"), 6); },
function testFoldr3(t){ t.assertEqual(df.foldr1([1, 2, 3], "/"), 3/2); },
function testFoldr4(t){ t.assertEqual(df.foldr1([1, 2, 3], df.partial(Math.max, a, a)), 3); },
function testFoldr5(t){ t.assertEqual(df.foldr1([1, 2, 3], df.partial(Math.min, a, a)), 1); },
function testScanl1(t){ t.assertEqual(df.scanl([1, 2, 3], "+", 0), [0, 1, 3, 6]); },
function testScanl2(t){ t.assertEqual(df.scanl1([1, 2, 3], "*"), [1, 2, 6]); },
function testScanl3(t){ t.assertEqual(df.scanl1([1, 2, 3], df.partial(Math.max, a, a)), [1, 2, 3]); },
function testScanl4(t){ t.assertEqual(df.scanl1([1, 2, 3], df.partial(Math.min, a, a)), [1, 1, 1]); },
function testScanlIter(t){
var iter = new revArrayIter([1, 2, 3]);
t.assertEqual(df.scanl(iter, "+", 0), [0, 3, 5, 6]);
},
function testScanl1Iter(t){
var iter = new revArrayIter([1, 2, 3]);
t.assertEqual(df.scanl1(iter, "*"), [3, 6, 6]);
},
function testScanr1(t){ t.assertEqual(df.scanr([1, 2, 3], "+", 0), [6, 5, 3, 0]); },
function testScanr2(t){ t.assertEqual(df.scanr1([1, 2, 3], "*"), [6, 6, 3]); },
function testScanr3(t){ t.assertEqual(df.scanr1([1, 2, 3], df.partial(Math.max, a, a)), [3, 3, 3]); },
function testScanr4(t){ t.assertEqual(df.scanr1([1, 2, 3], df.partial(Math.min, a, a)), [1, 2, 3]); }
]);
})();
}
|
