26 lines
625 B
TypeScript
26 lines
625 B
TypeScript
import Stack from "@code/Stack";
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test("stack", function () {
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const list = new Stack<number>();
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list.push(5);
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list.push(7);
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list.push(9);
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expect(list.pop()).toEqual(9);
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expect(list.length).toEqual(2);
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list.push(11);
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expect(list.pop()).toEqual(11);
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expect(list.pop()).toEqual(7);
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expect(list.peek()).toEqual(5);
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expect(list.pop()).toEqual(5);
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expect(list.pop()).toEqual(undefined);
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// just wanted to make sure that I could not blow up myself when i remove
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// everything
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list.push(69);
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expect(list.peek()).toEqual(69);
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expect(list.length).toEqual(1);
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});
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