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54 lines
1.7 KiB
JavaScript
54 lines
1.7 KiB
JavaScript
define(['array_helper'], function(ArrayHelper){
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describe('init', function() {
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it('initializes an array with the given value', function() {
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var input = [0, 0, 0];
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ArrayHelper.init(input, 5);
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expect(input).to.deep.equal([5, 5, 5]);
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});
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});
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describe('shuffle', function() {
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before(function() {
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sinon.stub(Math, 'random').returns(0.5);
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});
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after(function() {
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sinon.restore(Math);
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});
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it('shuffles the content of an array', function() {
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var input = [1, 2, 3];
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expect(ArrayHelper.shuffle(input)).to.deep.equal([3, 1, 2]);
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});
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});
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describe('toPointList', function() {
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it('converts an Array to a List of poitns', function() {
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var input = [[1, 2], [2, 2], [3, 2]];
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expect(ArrayHelper.toPointList(input)).to.equal("[[1,2],\r\n[2,2],\r\n[3,2]]");
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});
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});
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describe('threshold', function() {
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it('returns all elements above the given threshold', function() {
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var input = [1, 2, 3];
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expect(ArrayHelper.threshold(input, 2, function(score) {
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return score * 1.5;
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})).to.deep.equal([2, 3]);
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});
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});
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describe('maxIndex', function() {
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it('gets the index of the biggest element in the array', function() {
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var input = [1, 2, 3];
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expect(ArrayHelper.maxIndex(input)).to.equal(2);
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});
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});
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describe('max', function() {
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it('gets the biggest element in the array', function() {
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var input = [1, 3, 2];
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expect(ArrayHelper.max(input)).to.equal(3);
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});
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});
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});
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