22 lines
438 B
TypeScript
22 lines
438 B
TypeScript
import Stack from "@code/Stack";
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test("queue", 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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});
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