/**
 * -------------------------------------------------------------------------------------------
 * Copyright (c) Microsoft Corporation.  All Rights Reserved.  Licensed under the MIT License.
 * See License in the project root for license information.
 * -------------------------------------------------------------------------------------------
 */

/* eslint-disable @typescript-eslint/no-unused-expressions */
/**
 * -------------------------------------------------------------------------------------------
 * Copyright (c) Microsoft Corporation.  All Rights Reserved.  Licensed under the MIT License.
 * See License in the project root for license information.
 * -------------------------------------------------------------------------------------------
 */
import { expect } from '@open-wc/testing';
import { equals } from './equals';

describe('objectEquals', () => {
  const circularObject = { a: undefined };
  circularObject.a = circularObject;

  const circularArray: unknown[] = [];
  circularArray[0] = circularArray;

  // Any other object that is not an object literal or an array will compare by reference
  const simpleDate = new Date(0);

  it('should return true', () => {
    const testValues = [
      [{}, {}],
      [
        { a: 1, b: true, c: 'foo' },
        { c: 'foo', b: true, a: 1 }
      ],
      [{ a: [1, 2, 3] }, { a: [1, 2, 3] }],
      [{ a: { b: { c: 1 } } }, { a: { b: { c: 1 } } }],
      [{ a: [1, [2, [3]]] }, { a: [1, [2, [3]]] }],
      [circularObject, circularObject],
      [circularObject, { a: circularObject }],
      [circularArray, circularArray],
      [
        { a: circularObject, b: circularArray },
        { a: circularObject, b: circularArray }
      ],
      [{ a: simpleDate }, { a: simpleDate }]
    ];
    for (const [o1, o2] of testValues) {
      expect(equals(o1, o2)).to.be.true;
    }
  });

  it('should return false ', () => {
    const testValues = [
      [{ a: {} }, { a: [] }],
      [{ a: [1, 2, 3] }, { a: [3, 2, 1] }],
      [{ a: [1, [2, [3]]] }, { a: [1, [2, [4]]] }],
      [{ a: { b: [{ c: 1 }, { d: [2, 3] }] } }, { a: { b: [{ c: 1 }, { d: [3, 2] }] } }],
      [{ a: new Date() }, { a: new Date() }],
      [circularObject, circularArray],
      [circularObject, { b: circularObject }]
    ];
    for (const [o1, o2] of testValues) {
      expect(equals(o1, o2)).to.be.false;
    }
  });
});