65 lines
2.8 KiB
JavaScript
65 lines
2.8 KiB
JavaScript
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if(!dojo._hasResource["dojox.lang.tests.fold"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dojox.lang.tests.fold"] = true;
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dojo.provide("dojox.lang.tests.fold");
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dojo.require("dojox.lang.functional.fold");
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dojo.require("dojox.lang.functional.scan");
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dojo.require("dojox.lang.functional.curry");
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(function(){
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var df = dojox.lang.functional, a = df.arg;
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var revArrayIter = function(array){
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this.array = array;
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this.position = array.length - 1;
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};
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dojo.extend(revArrayIter, {
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hasNext: df.lambda("this.position >= 0"),
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next: df.lambda("this.array[this.position--]")
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});
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tests.register("dojox.lang.tests.fold", [
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function testFoldl1(t){ t.assertEqual(df.foldl([1, 2, 3], "+", 0), 6); },
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function testFoldl2(t){ t.assertEqual(df.foldl1([1, 2, 3], "*"), 6); },
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function testFoldl3(t){ t.assertEqual(df.foldl1([1, 2, 3], "/"), 1/6); },
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function testFoldl4(t){ t.assertEqual(df.foldl1([1, 2, 3], df.partial(Math.max, a, a)), 3); },
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function testFoldl5(t){ t.assertEqual(df.foldl1([1, 2, 3], df.partial(Math.min, a, a)), 1); },
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function testFoldlIter(t){
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var iter = new revArrayIter([1, 2, 3]);
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t.assertEqual(df.foldl(iter, "+", 0), 6);
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},
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function testFoldl1Iter(t){
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var iter = new revArrayIter([1, 2, 3]);
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t.assertEqual(df.foldl1(iter, "/"), 3/2);
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},
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function testFoldr1(t){ t.assertEqual(df.foldr([1, 2, 3], "+", 0), 6); },
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function testFoldr2(t){ t.assertEqual(df.foldr1([1, 2, 3], "*"), 6); },
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function testFoldr3(t){ t.assertEqual(df.foldr1([1, 2, 3], "/"), 3/2); },
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function testFoldr4(t){ t.assertEqual(df.foldr1([1, 2, 3], df.partial(Math.max, a, a)), 3); },
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function testFoldr5(t){ t.assertEqual(df.foldr1([1, 2, 3], df.partial(Math.min, a, a)), 1); },
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function testScanl1(t){ t.assertEqual(df.scanl([1, 2, 3], "+", 0), [0, 1, 3, 6]); },
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function testScanl2(t){ t.assertEqual(df.scanl1([1, 2, 3], "*"), [1, 2, 6]); },
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function testScanl3(t){ t.assertEqual(df.scanl1([1, 2, 3], df.partial(Math.max, a, a)), [1, 2, 3]); },
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function testScanl4(t){ t.assertEqual(df.scanl1([1, 2, 3], df.partial(Math.min, a, a)), [1, 1, 1]); },
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function testScanlIter(t){
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var iter = new revArrayIter([1, 2, 3]);
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t.assertEqual(df.scanl(iter, "+", 0), [0, 3, 5, 6]);
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},
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function testScanl1Iter(t){
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var iter = new revArrayIter([1, 2, 3]);
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t.assertEqual(df.scanl1(iter, "*"), [3, 6, 6]);
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},
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function testScanr1(t){ t.assertEqual(df.scanr([1, 2, 3], "+", 0), [6, 5, 3, 0]); },
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function testScanr2(t){ t.assertEqual(df.scanr1([1, 2, 3], "*"), [6, 6, 3]); },
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function testScanr3(t){ t.assertEqual(df.scanr1([1, 2, 3], df.partial(Math.max, a, a)), [3, 3, 3]); },
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function testScanr4(t){ t.assertEqual(df.scanr1([1, 2, 3], df.partial(Math.min, a, a)), [1, 2, 3]); }
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]);
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})();
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}
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