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LibJS: Add additional Array.prototype.reverse tests
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1 changed files with 18 additions and 4 deletions
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@ -2,8 +2,22 @@ test("length is 0", () => {
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expect(Array.prototype.reverse).toHaveLength(0);
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});
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test("basic functionality", () => {
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var array = [1, 2, 3];
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expect(array.reverse()).toEqual([3, 2, 1]);
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expect(array).toEqual([3, 2, 1]);
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describe("basic functionality", () => {
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test("Odd length array", () => {
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var array = [1, 2, 3];
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expect(array.reverse()).toEqual([3, 2, 1]);
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expect(array).toEqual([3, 2, 1]);
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});
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test("Even length array", () => {
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var array = [1, 2];
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expect(array.reverse()).toEqual([2, 1]);
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expect(array).toEqual([2, 1]);
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});
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test("Empty array", () => {
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var array = [];
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expect(array.reverse()).toEqual([]);
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expect(array).toEqual([]);
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});
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});
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