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| 1 | +import { sum, isAdult } from "../src/utils.js"; |
| 2 | + |
| 3 | +describe("utils", () => { |
| 4 | + describe("sum", () => { |
| 5 | + test("should add two numbers correctly", () => { |
| 6 | + expect(sum(2, 3)).toBe(5); |
| 7 | + expect(sum(-1, 1)).toBe(0); |
| 8 | + expect(sum(0, 0)).toBe(0); |
| 9 | + }); |
| 10 | + |
| 11 | + test("should handle negative numbers", () => { |
| 12 | + expect(sum(-5, -3)).toBe(-8); |
| 13 | + expect(sum(-10, 5)).toBe(-5); |
| 14 | + }); |
| 15 | + |
| 16 | + test("should handle decimal numbers", () => { |
| 17 | + expect(sum(1.5, 2.5)).toBe(4); |
| 18 | + expect(sum(0.1, 0.2)).toBeCloseTo(0.3); |
| 19 | + }); |
| 20 | + }); |
| 21 | + |
| 22 | + describe("isAdult", () => { |
| 23 | + test("should return true for adults", () => { |
| 24 | + /** @type {User} */ |
| 25 | + const adult = { id: "1", name: "John", age: 25, isActive: true }; |
| 26 | + expect(isAdult(adult)).toBe(true); |
| 27 | + }); |
| 28 | + |
| 29 | + test("should return false for minors", () => { |
| 30 | + /** @type {User} */ |
| 31 | + const minor = { id: "2", name: "Jane", age: 16, isActive: true }; |
| 32 | + expect(isAdult(minor)).toBe(false); |
| 33 | + }); |
| 34 | + |
| 35 | + test("should return true for exactly 18 years old", () => { |
| 36 | + /** @type {User} */ |
| 37 | + const eighteenYearOld = { id: "3", name: "Bob", age: 18, isActive: true }; |
| 38 | + expect(isAdult(eighteenYearOld)).toBe(true); |
| 39 | + }); |
| 40 | + |
| 41 | + test("should handle edge cases", () => { |
| 42 | + /** @type {User} */ |
| 43 | + const almostAdult = { id: "4", name: "Alice", age: 17, isActive: true }; |
| 44 | + expect(isAdult(almostAdult)).toBe(false); |
| 45 | + |
| 46 | + /** @type {User} */ |
| 47 | + const veryOld = { id: "5", name: "Elder", age: 100, isActive: false }; |
| 48 | + expect(isAdult(veryOld)).toBe(true); |
| 49 | + }); |
| 50 | + }); |
| 51 | +}); |
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