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- var test = require('tape');
- require('./_tape');
- var equal = require('../');
- test('equal', function (t) {
- t.deepEqualTest(
- { a: [2, 3], b: [4] },
- { a: [2, 3], b: [4] },
- 'two equal objects',
- true,
- true,
- false
- );
- t.end();
- });
- test('not equal', function (t) {
- t.deepEqualTest(
- { x: 5, y: [6] },
- { x: 5, y: 6 },
- 'two inequal objects are',
- false,
- false
- );
- t.end();
- });
- test('nested nulls', function (t) {
- t.deepEqualTest(
- [null, null, null],
- [null, null, null],
- 'same-length arrays of nulls',
- true,
- true,
- true
- );
- t.end();
- });
- test('objects with strings vs numbers', function (t) {
- t.deepEqualTest(
- [{ a: 3 }, { b: 4 }],
- [{ a: '3' }, { b: '4' }],
- 'objects with equivalent string/number values',
- true,
- false
- );
- t.end();
- });
- test('non-objects', function (t) {
- t.deepEqualTest(3, 3, 'same numbers', true, true, true);
- t.deepEqualTest('beep', 'beep', 'same strings', true, true, true);
- t.deepEqualTest('3', 3, 'numeric string and number', true, false);
- t.deepEqualTest('3', [3], 'numeric string and array containing number', false, false);
- t.deepEqualTest(3, [3], 'number and array containing number', false, false);
- t.end();
- });
- test('infinities', function (t) {
- t.deepEqualTest(Infinity, Infinity, '∞ and ∞', true, true, true);
- t.deepEqualTest(-Infinity, -Infinity, '-∞ and -∞', true, true, true);
- t.deepEqualTest(Infinity, -Infinity, '∞ and -∞', false, false);
- t.end();
- });
- test('arguments class', function (t) {
- function getArgs() {
- return arguments;
- }
- t.ok(
- equal(getArgs(1, 2, 3), getArgs(1, 2, 3)),
- 'equivalent arguments objects are equal'
- );
- t.deepEqualTest(
- getArgs(1, 2, 3),
- [1, 2, 3],
- 'array and arguments with same contents',
- false,
- false
- );
- t.end();
- });
- test('dates', function (t) {
- var d0 = new Date(1387585278000);
- var d1 = new Date('Fri Dec 20 2013 16:21:18 GMT-0800 (PST)');
- t.deepEqualTest(d0, d1, 'equivalent Dates', true, true);
- t.end();
- });
- test('buffers', function (t) {
- /* eslint no-buffer-constructor: 1, new-cap: 1 */
- t.ok(equal(Buffer('xyz'), Buffer('xyz')), 'buffers with same contents are equal');
- t.ok(equal(Buffer('xyz'), Buffer('xyz'), { strict: true }), 'strict: buffers with same contents are equal');
- t.deepEqualTest(
- Buffer('abc'),
- Buffer('xyz'),
- 'buffers with different contents',
- false,
- false
- );
- t.deepEqualTest(
- Buffer(''),
- [],
- 'empty buffer and empty array',
- false,
- false
- );
- t.end();
- });
- test('booleans and arrays', function (t) {
- t.deepEqualTest(
- true,
- [],
- 'true and an empty array',
- false,
- false
- );
- t.deepEqualTest(
- false,
- [],
- 'false and an empty array',
- true,
- false
- );
- t.end();
- });
- test('arrays initiated', function (t) {
- var a0 = [
- undefined,
- null,
- -1,
- 0,
- 1,
- false,
- true,
- undefined,
- '',
- 'abc',
- null,
- undefined
- ],
- a1 = [
- undefined,
- null,
- -1,
- 0,
- 1,
- false,
- true,
- undefined,
- '',
- 'abc',
- null,
- undefined
- ];
- t.ok(equal(a0, a1));
- t.end();
- });
- // eslint-disable-next-line max-statements
- test('arrays assigned', function (t) {
- var a0 = [
- undefined,
- null,
- -1,
- 0,
- 1,
- false,
- true,
- undefined,
- '',
- 'abc',
- null,
- undefined
- ];
- var a1 = [];
- a1[0] = undefined;
- a1[1] = null;
- a1[2] = -1;
- a1[3] = 0;
- a1[4] = 1;
- a1[5] = false;
- a1[6] = true;
- a1[7] = undefined;
- a1[8] = '';
- a1[9] = 'abc';
- a1[10] = null;
- a1[11] = undefined;
- a1.length = 12;
- t.deepEqualTest(a0, a1, 'a literal array and an assigned array', true, true);
- t.end();
- });
- // eslint-disable-next-line max-statements
- test('arrays push', function (t) {
- var a0 = [
- undefined,
- null,
- -1,
- 0,
- 1,
- false,
- true,
- undefined,
- '',
- 'abc',
- null,
- undefined
- ],
- a1 = [];
- a1.push(undefined);
- a1.push(null);
- a1.push(-1);
- a1.push(0);
- a1.push(1);
- a1.push(false);
- a1.push(true);
- a1.push(undefined);
- a1.push('');
- a1.push('abc');
- a1.push(null);
- a1.push(undefined);
- a1.length = 12;
- t.deepEqualTest(a0, a1, 'a literal array and a pushed array', true, true);
- t.end();
- });
- test('null == undefined', function (t) {
- t.deepEqualTest(null, undefined, 'null and undefined', true, false);
- t.end();
- });
- test('NaNs', function (t) {
- t.notOk(equal(NaN, NaN), 'NaN is not NaN');
- t.ok(equal(NaN, NaN, { strict: true }), 'strict: NaN is NaN');
- t.notOk(equal({ a: NaN }, { a: NaN }), 'two equiv objects with a NaN value are not equiv');
- t.ok(equal({ a: NaN }, { a: NaN }, { strict: true }), 'strict: two equiv objects with a NaN value are equiv');
- t.notOk(equal(NaN, 1), 'NaN !== 1');
- t.notOk(equal(NaN, 1, { strict: true }), 'strict: NaN !== 1');
- t.end();
- });
- test('zeroes', function (t) {
- t.deepEqualTest(0, -0, '0 and -0', true, false);
- t.deepEqualTest({ a: 0 }, { a: -0 }, 'two objects with a same-keyed 0/-0 value', true, false);
- t.end();
- });
- test('Object.create', { skip: !Object.create }, function (t) {
- var a = { a: 'A' };
- var b = Object.create(a);
- b.b = 'B';
- var c = Object.create(a);
- c.b = 'C';
- t.deepEqualTest(
- b,
- c,
- 'two objects with the same [[Prototype]] but a different own property',
- false,
- false
- );
- t.end();
- });
- test('Object.create(null)', { skip: !Object.create }, function (t) {
- t.deepEqualTest(
- Object.create(null),
- Object.create(null),
- 'two empty null objects',
- true,
- true,
- true
- );
- t.deepEqualTest(
- Object.create(null, { a: { value: 'b' } }),
- Object.create(null, { a: { value: 'b' } }),
- 'two null objects with the same property pair',
- true,
- true,
- true
- );
- t.end();
- });
- test('regexes vs dates', function (t) {
- var d = new Date(1387585278000);
- var r = /abc/;
- t.deepEqualTest(d, r, 'Date and RegExp', false, false);
- t.end();
- });
- test('regexen', function (t) {
- t.deepEqualTest(/abc/, /xyz/, 'two different regexes', false, false);
- t.deepEqualTest(/abc/, /abc/, 'two abc regexes', true, true, false);
- t.deepEqualTest(/xyz/, /xyz/, 'two xyz regexes', true, true, false);
- t.end();
- });
- test('arrays and objects', function (t) {
- t.deepEqualTest([], {}, 'empty array and empty object', true, true);
- t.deepEqualTest([], { length: 0 }, 'empty array and empty arraylike object', false, false);
- t.deepEqualTest([1], { 0: 1 }, 'array and similar object', true, true);
- t.end();
- });
- test('functions', function (t) {
- function f() {}
- t.deepEqualTest(f, f, 'a function and itself', true, true, true);
- t.deepEqualTest(function () {}, function () {}, 'two distinct functions', false, false, true);
- t.end();
- });
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