import { sum } from './sum';

const array1 = [1, 2, 3, 4, 5];

const array2 = [1, 2, 3, 4, 5, undefined, null, "Tom", ""];

const obj1 = [
  1,
  { num: 2 },
  3,
  { num: 4 },
  undefined,
  null,
  "Tom",
  "",
  5
]

const obj2 = [
  1,
  { num: 2 },
  3,
  { num: 4 },
  5,
  [1, 2, 3, 4, 5]
]

const obj3 = [
  1,
  { num: 2 },
  3,
  { num: 4 },
  5,
  [
    1,
    { num: 2 },
    3,
    { num: 4 },
    5
  ]
]

const obj4 = [
  { value: 1 },
  { value: 2 },
  { value: 3 },
  { value: 4 },
  { value: 5 },
]

describe('sum map', () => {
  it('测试1 [1,2,3,4,5]  结构转 15 结构', () => {
    expect(sum(array1)).toBe(15);
  });

  it('测试2 [1,2,3,4,5]  结构转 15 结构', () => {
    expect(sum(array2)).toBe(15);
  });

  it('测试3 obj1  结构转 9 结构', () => {
    expect(sum(obj1)).toBe(9);
  });

  it('测试4 obj1  结构转 15 结构', () => {
    expect(sum(obj1, 'num')).toBe(15);
  });

  it('测试5 obj2  结构转 24 结构', () => {
    expect(sum(obj2)).toBe(24);
  });

  it('测试6 obj2  结构转 30 结构', () => {
    expect(sum(obj2, 'num')).toBe(30);
  });

  it('测试7 obj3  结构转 24 结构', () => {
    expect(sum(obj3)).toBe(18);
  });

  it('测试8 obj3  结构转 30 结构', () => {
    expect(sum(obj3, 'num')).toBe(30);
  });

  it('测试9 obj4  结构转 15 结构', () => {
    expect(sum(obj4, 'value')).toBe(15);
  });
});