mirror of https://github.com/piskelapp/piskel.git
68 lines
1.5 KiB
JavaScript
68 lines
1.5 KiB
JavaScript
describe("Array utils", function() {
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beforeEach(function() {});
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afterEach(function() {});
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it("chunks correctly", function() {
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// when
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var array = [1, 2, 3, 4];
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// then
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var chunks = pskl.utils.Array.chunk(array, 1);
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// verify
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expect(chunks.length).toBe(1);
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expect(chunks[0]).toEqual([1, 2, 3, 4]);
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// then
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chunks = pskl.utils.Array.chunk(array, 2);
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// verify
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expect(chunks.length).toBe(2);
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expect(chunks[0]).toEqual([1, 2]);
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expect(chunks[1]).toEqual([3, 4]);
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// then
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chunks = pskl.utils.Array.chunk(array, 3);
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// verify
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expect(chunks.length).toBe(3);
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expect(chunks[0]).toEqual([1]);
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expect(chunks[1]).toEqual([2]);
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expect(chunks[2]).toEqual([3, 4]);
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// then
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chunks = pskl.utils.Array.chunk(array, 4);
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// verify
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expect(chunks.length).toBe(4);
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expect(chunks[0]).toEqual([1]);
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expect(chunks[1]).toEqual([2]);
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expect(chunks[2]).toEqual([3]);
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expect(chunks[3]).toEqual([4]);
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// then
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chunks = pskl.utils.Array.chunk(array, 5);
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// verify
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expect(chunks.length).toBe(4);
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expect(chunks[0]).toEqual([1]);
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expect(chunks[1]).toEqual([2]);
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expect(chunks[2]).toEqual([3]);
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expect(chunks[3]).toEqual([4]);
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// then
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chunks = pskl.utils.Array.chunk(array, 0);
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// verify
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expect(chunks.length).toBe(1);
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expect(chunks[0]).toEqual([1, 2, 3, 4]);
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// then
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chunks = pskl.utils.Array.chunk(array, -1);
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// verify
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expect(chunks.length).toBe(1);
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expect(chunks[0]).toEqual([1, 2, 3, 4]);
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});
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}); |