59 lines
1.3 KiB
JavaScript
59 lines
1.3 KiB
JavaScript
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import {
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SetCnt,
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} from '../src/SetCnt.mjs';
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const set = new Set([1,2,3,5])
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const map = new Map([[1,2],[3,5]])
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// console.log([...sc.entries()]);
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describe('SetCnt', () => {
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it('has', () => {
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const sc = new SetCnt([1,2,5,6,1,1]);
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expect(sc.has(1)).toBe(true);
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expect(sc.has(2)).toBe(true);
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expect(sc.has(5)).toBe(true);
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});
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it('add', () => {
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const sc = new SetCnt([1,2,5,6,1,1]);
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expect(sc.add(123)).toBe(sc);
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expect(sc.has(123)).toBe(true);
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});
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it('delete', () => {
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const sc = new SetCnt();
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expect(sc.add(123)).toBe(sc);
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expect(sc.add(123)).toBe(sc);
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expect(sc.delete(123)).toBe(true);
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expect(sc.has(123)).toBe(true);
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expect(sc.delete(123)).toBe(true);
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expect(sc.has(123)).toBe(false);
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expect(sc.delete(123)).toBe(false);
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});
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it('deleteAll', () => {
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const sc = new SetCnt();
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expect(sc.add(123)).toBe(sc);
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expect(sc.add(123)).toBe(sc);
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expect(sc.deleteAll(123)).toBe(true);
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expect(sc.has(123)).toBe(false);
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});
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it('cnt', () => {
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const sc = new SetCnt();
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expect(sc.cnt(123)).toBe(0);
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expect(sc.add(123)).toBe(sc);
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expect(sc.add(123)).toBe(sc);
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expect(sc.cnt(123)).toBe(2);
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expect(sc.deleteAll(123)).toBe(true);
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expect(sc.cnt(123)).toBe(0);
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});
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});
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