1200 lines
30 KiB
JavaScript
1200 lines
30 KiB
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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const util = require('util');
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const { AssertionError } = assert;
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const defaultMsgStart = 'Expected values to be strictly deep-equal:\n';
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const defaultMsgStartFull = `${defaultMsgStart}+ actual - expected`;
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// Disable colored output to prevent color codes from breaking assertion
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// message comparisons. This should only be an issue when process.stdout
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// is a TTY.
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if (process.stdout.isTTY)
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process.env.NODE_DISABLE_COLORS = '1';
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// Template tag function turning an error message into a RegExp
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// for assert.throws()
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function re(literals, ...values) {
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let result = 'Expected values to be loosely deep-equal:\n\n';
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for (const [i, value] of values.entries()) {
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const str = util.inspect(value, {
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compact: false,
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depth: 1000,
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customInspect: false,
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maxArrayLength: Infinity,
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breakLength: Infinity,
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sorted: true,
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getters: true
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});
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// Need to escape special characters.
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result += `${str}${literals[i + 1]}`;
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}
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return {
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code: 'ERR_ASSERTION',
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message: result
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};
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}
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// The following deepEqual tests might seem very weird.
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// They just describe what it is now.
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// That is why we discourage using deepEqual in our own tests.
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// Turn off no-restricted-properties because we are testing deepEqual!
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/* eslint-disable no-restricted-properties */
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const arr = new Uint8Array([120, 121, 122, 10]);
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const buf = Buffer.from(arr);
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// They have different [[Prototype]]
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assert.throws(
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() => assert.deepStrictEqual(arr, buf),
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{
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code: 'ERR_ASSERTION',
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message: `${defaultMsgStartFull} ... Lines skipped\n\n` +
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'+ Uint8Array(4) [\n' +
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'- Buffer(4) [Uint8Array] [\n 120,\n...\n 122,\n 10\n ]'
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}
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);
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assert.deepEqual(arr, buf);
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{
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const buf2 = Buffer.from(arr);
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buf2.prop = 1;
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assert.throws(
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() => assert.deepStrictEqual(buf2, buf),
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{
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code: 'ERR_ASSERTION',
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message: `${defaultMsgStartFull}\n\n` +
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' Buffer(4) [Uint8Array] [\n' +
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' 120,\n' +
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' 121,\n' +
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' 122,\n' +
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' 10,\n' +
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'+ prop: 1\n' +
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' ]'
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}
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);
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assert.notDeepEqual(buf2, buf);
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}
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{
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const arr2 = new Uint8Array([120, 121, 122, 10]);
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arr2.prop = 5;
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assert.throws(
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() => assert.deepStrictEqual(arr, arr2),
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{
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code: 'ERR_ASSERTION',
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message: `${defaultMsgStartFull}\n\n` +
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' Uint8Array(4) [\n' +
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' 120,\n' +
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' 121,\n' +
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' 122,\n' +
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' 10,\n' +
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'- prop: 5\n' +
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' ]'
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}
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);
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assert.notDeepEqual(arr, arr2);
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}
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const date = new Date('2016');
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class MyDate extends Date {
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constructor(...args) {
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super(...args);
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this[0] = '1';
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}
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}
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const date2 = new MyDate('2016');
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assertNotDeepOrStrict(date, date2);
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assert.throws(
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() => assert.deepStrictEqual(date, date2),
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{
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code: 'ERR_ASSERTION',
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message: `${defaultMsgStartFull}\n\n` +
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'+ 2016-01-01T00:00:00.000Z\n- MyDate 2016-01-01T00:00:00.000Z' +
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" {\n- '0': '1'\n- }"
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}
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);
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assert.throws(
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() => assert.deepStrictEqual(date2, date),
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{
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code: 'ERR_ASSERTION',
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message: `${defaultMsgStartFull}\n\n` +
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'+ MyDate 2016-01-01T00:00:00.000Z {\n' +
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"+ '0': '1'\n+ }\n- 2016-01-01T00:00:00.000Z"
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}
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);
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class MyRegExp extends RegExp {
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constructor(...args) {
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super(...args);
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this[0] = '1';
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}
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}
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const re1 = new RegExp('test');
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const re2 = new MyRegExp('test');
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assertNotDeepOrStrict(re1, re2);
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assert.throws(
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() => assert.deepStrictEqual(re1, re2),
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{
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code: 'ERR_ASSERTION',
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message: `${defaultMsgStartFull}\n\n` +
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"+ /test/\n- MyRegExp /test/ {\n- '0': '1'\n- }"
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}
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);
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// For these weird cases, deepEqual should pass (at least for now),
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// but deepStrictEqual should throw.
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{
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const similar = new Set([
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{ 0: 1 }, // Object
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new String('1'), // Object
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[1], // Array
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date2, // Date with this[0] = '1'
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re2, // RegExp with this[0] = '1'
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new Int8Array([1]), // Int8Array
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new Int16Array([1]), // Int16Array
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new Uint16Array([1]), // Uint16Array
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new Int32Array([1]), // Int32Array
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new Uint32Array([1]), // Uint32Array
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Buffer.from([1]), // Uint8Array
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(function() { return arguments; })(1)
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]);
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for (const a of similar) {
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for (const b of similar) {
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if (a !== b) {
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assert.notDeepEqual(a, b);
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assert.throws(
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() => assert.deepStrictEqual(a, b),
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{ code: 'ERR_ASSERTION' }
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);
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}
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}
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}
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}
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function assertDeepAndStrictEqual(a, b) {
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assert.deepEqual(a, b);
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assert.deepStrictEqual(a, b);
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assert.deepEqual(b, a);
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assert.deepStrictEqual(b, a);
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}
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function assertNotDeepOrStrict(a, b, err) {
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assert.throws(
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() => assert.deepEqual(a, b),
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err || re`${a}\n\nshould loosely deep-equal\n\n${b}`
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);
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assert.throws(
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() => assert.deepStrictEqual(a, b),
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err || { code: 'ERR_ASSERTION' }
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);
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assert.throws(
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() => assert.deepEqual(b, a),
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err || re`${b}\n\nshould loosely deep-equal\n\n${a}`
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);
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assert.throws(
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() => assert.deepStrictEqual(b, a),
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err || { code: 'ERR_ASSERTION' }
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);
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}
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function assertOnlyDeepEqual(a, b, err) {
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assert.deepEqual(a, b);
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assert.throws(
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() => assert.deepStrictEqual(a, b),
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err || { code: 'ERR_ASSERTION' }
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);
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assert.deepEqual(b, a);
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assert.throws(
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() => assert.deepStrictEqual(b, a),
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err || { code: 'ERR_ASSERTION' }
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);
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}
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// es6 Maps and Sets
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assertDeepAndStrictEqual(new Set(), new Set());
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assertDeepAndStrictEqual(new Map(), new Map());
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assertDeepAndStrictEqual(new Set([1, 2, 3]), new Set([1, 2, 3]));
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assertNotDeepOrStrict(new Set([1, 2, 3]), new Set([1, 2, 3, 4]));
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assertNotDeepOrStrict(new Set([1, 2, 3, 4]), new Set([1, 2, 3]));
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assertDeepAndStrictEqual(new Set(['1', '2', '3']), new Set(['1', '2', '3']));
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assertDeepAndStrictEqual(new Set([[1, 2], [3, 4]]), new Set([[3, 4], [1, 2]]));
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assertNotDeepOrStrict(new Set([{ a: 0 }]), new Set([{ a: 1 }]));
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assertNotDeepOrStrict(new Set([Symbol()]), new Set([Symbol()]));
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{
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const a = [ 1, 2 ];
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const b = [ 3, 4 ];
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const c = [ 1, 2 ];
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const d = [ 3, 4 ];
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assertDeepAndStrictEqual(
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{ a: a, b: b, s: new Set([a, b]) },
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{ a: c, b: d, s: new Set([d, c]) }
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);
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}
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assertDeepAndStrictEqual(new Map([[1, 1], [2, 2]]), new Map([[1, 1], [2, 2]]));
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assertDeepAndStrictEqual(new Map([[1, 1], [2, 2]]), new Map([[2, 2], [1, 1]]));
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assertNotDeepOrStrict(new Map([[1, 1], [2, 2]]), new Map([[1, 2], [2, 1]]));
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assertNotDeepOrStrict(
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new Map([[[1], 1], [{}, 2]]),
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new Map([[[1], 2], [{}, 1]])
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);
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assertNotDeepOrStrict(new Set([1]), [1]);
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assertNotDeepOrStrict(new Set(), []);
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assertNotDeepOrStrict(new Set(), {});
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assertNotDeepOrStrict(new Map([['a', 1]]), { a: 1 });
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assertNotDeepOrStrict(new Map(), []);
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assertNotDeepOrStrict(new Map(), {});
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assertOnlyDeepEqual(new Set(['1']), new Set([1]));
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assertOnlyDeepEqual(new Map([['1', 'a']]), new Map([[1, 'a']]));
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assertOnlyDeepEqual(new Map([['a', '1']]), new Map([['a', 1]]));
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assertNotDeepOrStrict(new Map([['a', '1']]), new Map([['a', 2]]));
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assertDeepAndStrictEqual(new Set([{}]), new Set([{}]));
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// Ref: https://github.com/nodejs/node/issues/13347
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assertNotDeepOrStrict(
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new Set([{ a: 1 }, { a: 1 }]),
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new Set([{ a: 1 }, { a: 2 }])
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);
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assertNotDeepOrStrict(
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new Set([{ a: 1 }, { a: 1 }, { a: 2 }]),
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new Set([{ a: 1 }, { a: 2 }, { a: 2 }])
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);
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assertNotDeepOrStrict(
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new Map([[{ x: 1 }, 5], [{ x: 1 }, 5]]),
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new Map([[{ x: 1 }, 5], [{ x: 2 }, 5]])
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);
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assertNotDeepOrStrict(new Set([3, '3']), new Set([3, 4]));
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assertNotDeepOrStrict(new Map([[3, 0], ['3', 0]]), new Map([[3, 0], [4, 0]]));
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assertNotDeepOrStrict(
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new Set([{ a: 1 }, { a: 1 }, { a: 2 }]),
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new Set([{ a: 1 }, { a: 2 }, { a: 2 }])
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);
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// Mixed primitive and object keys
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assertDeepAndStrictEqual(
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new Map([[1, 'a'], [{}, 'a']]),
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new Map([[1, 'a'], [{}, 'a']])
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);
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assertDeepAndStrictEqual(
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new Set([1, 'a', [{}, 'a']]),
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new Set([1, 'a', [{}, 'a']])
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);
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// This is an awful case, where a map contains multiple equivalent keys:
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assertOnlyDeepEqual(
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new Map([[1, 'a'], ['1', 'b']]),
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new Map([['1', 'a'], [true, 'b']])
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);
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assertNotDeepOrStrict(
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new Set(['a']),
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new Set(['b'])
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);
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assertDeepAndStrictEqual(
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new Map([[{}, 'a'], [{}, 'b']]),
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new Map([[{}, 'b'], [{}, 'a']])
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);
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assertOnlyDeepEqual(
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new Map([[true, 'a'], ['1', 'b'], [1, 'a']]),
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new Map([['1', 'a'], [1, 'b'], [true, 'a']])
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);
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assertNotDeepOrStrict(
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new Map([[true, 'a'], ['1', 'b'], [1, 'c']]),
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new Map([['1', 'a'], [1, 'b'], [true, 'a']])
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);
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// Similar object keys
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assertNotDeepOrStrict(
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new Set([{}, {}]),
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new Set([{}, 1])
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);
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assertNotDeepOrStrict(
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new Set([[{}, 1], [{}, 1]]),
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new Set([[{}, 1], [1, 1]])
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);
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assertNotDeepOrStrict(
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new Map([[{}, 1], [{}, 1]]),
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new Map([[{}, 1], [1, 1]])
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);
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assertOnlyDeepEqual(
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new Map([[{}, 1], [true, 1]]),
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new Map([[{}, 1], [1, 1]])
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);
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// Similar primitive key / values
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assertNotDeepOrStrict(
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new Set([1, true, false]),
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new Set(['1', 0, '0'])
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);
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assertNotDeepOrStrict(
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new Map([[1, 5], [true, 5], [false, 5]]),
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new Map([['1', 5], [0, 5], ['0', 5]])
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);
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// Undefined value in Map
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assertDeepAndStrictEqual(
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new Map([[1, undefined]]),
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new Map([[1, undefined]])
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);
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assertOnlyDeepEqual(
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new Map([[1, null], ['', '0']]),
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new Map([['1', undefined], [false, 0]])
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);
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assertNotDeepOrStrict(
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new Map([[1, undefined]]),
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new Map([[2, undefined]])
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);
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// null as key
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assertDeepAndStrictEqual(
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new Map([[null, 3]]),
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new Map([[null, 3]])
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);
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assertOnlyDeepEqual(
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new Map([[undefined, null], ['+000', 2n]]),
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new Map([[null, undefined], [false, '2']]),
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);
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assertOnlyDeepEqual(
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new Set([null, '', 1n, 5, 2n, false]),
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new Set([undefined, 0, 5n, true, '2', '-000'])
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);
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assertNotDeepOrStrict(
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new Set(['']),
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new Set(['0'])
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);
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assertOnlyDeepEqual(
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new Map([[1, {}]]),
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new Map([[true, {}]])
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);
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assertOnlyDeepEqual(
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new Map([[undefined, true]]),
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new Map([[null, true]])
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);
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assertNotDeepOrStrict(
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new Map([[undefined, true]]),
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new Map([[true, true]])
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);
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// GH-6416. Make sure circular refs don't throw.
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{
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const b = {};
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b.b = b;
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const c = {};
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c.b = c;
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assertDeepAndStrictEqual(b, c);
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const d = {};
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d.a = 1;
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d.b = d;
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const e = {};
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e.a = 1;
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e.b = {};
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assertNotDeepOrStrict(d, e);
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}
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// GH-14441. Circular structures should be consistent
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{
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const a = {};
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const b = {};
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a.a = a;
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b.a = {};
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b.a.a = a;
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assertDeepAndStrictEqual(a, b);
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}
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{
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const a = new Set();
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const b = new Set();
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const c = new Set();
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a.add(a);
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b.add(b);
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c.add(a);
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assertDeepAndStrictEqual(b, c);
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}
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// https://github.com/nodejs/node-v0.x-archive/pull/7178
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// Ensure reflexivity of deepEqual with `arguments` objects.
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{
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const args = (function() { return arguments; })();
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assertNotDeepOrStrict([], args);
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}
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// More checking that arguments objects are handled correctly
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{
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// eslint-disable-next-line func-style
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const returnArguments = function() { return arguments; };
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const someArgs = returnArguments('a');
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const sameArgs = returnArguments('a');
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const diffArgs = returnArguments('b');
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assertNotDeepOrStrict(someArgs, ['a']);
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assertNotDeepOrStrict(someArgs, { '0': 'a' });
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assertNotDeepOrStrict(someArgs, diffArgs);
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assertDeepAndStrictEqual(someArgs, sameArgs);
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}
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{
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const values = [
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123,
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Infinity,
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0,
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null,
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undefined,
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false,
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true,
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{},
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[],
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() => {},
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];
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assertDeepAndStrictEqual(new Set(values), new Set(values));
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assertDeepAndStrictEqual(new Set(values), new Set(values.reverse()));
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const mapValues = values.map((v) => [v, { a: 5 }]);
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assertDeepAndStrictEqual(new Map(mapValues), new Map(mapValues));
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assertDeepAndStrictEqual(new Map(mapValues), new Map(mapValues.reverse()));
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}
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{
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const s1 = new Set();
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const s2 = new Set();
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s1.add(1);
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s1.add(2);
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s2.add(2);
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s2.add(1);
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assertDeepAndStrictEqual(s1, s2);
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}
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{
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const m1 = new Map();
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const m2 = new Map();
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const obj = { a: 5, b: 6 };
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m1.set(1, obj);
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m1.set(2, 'hi');
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m1.set(3, [1, 2, 3]);
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m2.set(2, 'hi'); // different order
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m2.set(1, obj);
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m2.set(3, [1, 2, 3]); // Deep equal, but not reference equal.
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assertDeepAndStrictEqual(m1, m2);
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}
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{
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const m1 = new Map();
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const m2 = new Map();
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// m1 contains itself.
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m1.set(1, m1);
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m2.set(1, new Map());
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assertNotDeepOrStrict(m1, m2);
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}
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{
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const map1 = new Map([[1, 1]]);
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const map2 = new Map([[1, '1']]);
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assert.deepEqual(map1, map2);
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assert.throws(
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() => assert.deepStrictEqual(map1, map2),
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{
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code: 'ERR_ASSERTION',
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message: `${defaultMsgStartFull}\n\n` +
|
|
" Map {\n+ 1 => 1\n- 1 => '1'\n }"
|
|
}
|
|
);
|
|
}
|
|
|
|
{
|
|
// Two equivalent sets / maps with different key/values applied shouldn't be
|
|
// the same. This is a terrible idea to do in practice, but deepEqual should
|
|
// still check for it.
|
|
const s1 = new Set();
|
|
const s2 = new Set();
|
|
s1.x = 5;
|
|
assertNotDeepOrStrict(s1, s2);
|
|
|
|
const m1 = new Map();
|
|
const m2 = new Map();
|
|
m1.x = 5;
|
|
assertNotDeepOrStrict(m1, m2);
|
|
}
|
|
|
|
{
|
|
// Circular references.
|
|
const s1 = new Set();
|
|
s1.add(s1);
|
|
const s2 = new Set();
|
|
s2.add(s2);
|
|
assertDeepAndStrictEqual(s1, s2);
|
|
|
|
const m1 = new Map();
|
|
m1.set(2, m1);
|
|
const m2 = new Map();
|
|
m2.set(2, m2);
|
|
assertDeepAndStrictEqual(m1, m2);
|
|
|
|
const m3 = new Map();
|
|
m3.set(m3, 2);
|
|
const m4 = new Map();
|
|
m4.set(m4, 2);
|
|
assertDeepAndStrictEqual(m3, m4);
|
|
}
|
|
|
|
// Handle sparse arrays.
|
|
{
|
|
assertDeepAndStrictEqual([1, , , 3], [1, , , 3]);
|
|
assertNotDeepOrStrict([1, , , 3], [1, , , 3, , , ]);
|
|
const a = new Array(3);
|
|
const b = new Array(3);
|
|
a[2] = true;
|
|
b[1] = true;
|
|
assertNotDeepOrStrict(a, b);
|
|
b[2] = true;
|
|
assertNotDeepOrStrict(a, b);
|
|
a[0] = true;
|
|
assertNotDeepOrStrict(a, b);
|
|
}
|
|
|
|
// Handle different error messages
|
|
{
|
|
const err1 = new Error('foo1');
|
|
assertNotDeepOrStrict(err1, new Error('foo2'), assert.AssertionError);
|
|
assertNotDeepOrStrict(err1, new TypeError('foo1'), assert.AssertionError);
|
|
assertDeepAndStrictEqual(err1, new Error('foo1'));
|
|
assertNotDeepOrStrict(err1, {}, AssertionError);
|
|
}
|
|
|
|
// Handle NaN
|
|
assert.notDeepEqual(NaN, NaN);
|
|
assert.deepStrictEqual(NaN, NaN);
|
|
assert.deepStrictEqual({ a: NaN }, { a: NaN });
|
|
assert.deepStrictEqual([ 1, 2, NaN, 4 ], [ 1, 2, NaN, 4 ]);
|
|
|
|
// Handle boxed primitives
|
|
{
|
|
const boxedString = new String('test');
|
|
const boxedSymbol = Object(Symbol());
|
|
|
|
const fakeBoxedSymbol = {};
|
|
Object.setPrototypeOf(fakeBoxedSymbol, Symbol.prototype);
|
|
Object.defineProperty(
|
|
fakeBoxedSymbol,
|
|
Symbol.toStringTag,
|
|
{ enumerable: false, value: 'Symbol' }
|
|
);
|
|
|
|
assertNotDeepOrStrict(new Boolean(true), Object(false));
|
|
assertNotDeepOrStrict(Object(true), new Number(1));
|
|
assertNotDeepOrStrict(new Number(2), new Number(1));
|
|
assertNotDeepOrStrict(boxedSymbol, Object(Symbol()));
|
|
assertNotDeepOrStrict(boxedSymbol, {});
|
|
assertNotDeepOrStrict(boxedSymbol, fakeBoxedSymbol);
|
|
assertDeepAndStrictEqual(boxedSymbol, boxedSymbol);
|
|
assertDeepAndStrictEqual(Object(true), Object(true));
|
|
assertDeepAndStrictEqual(Object(2), Object(2));
|
|
assertDeepAndStrictEqual(boxedString, Object('test'));
|
|
boxedString.slow = true;
|
|
assertNotDeepOrStrict(boxedString, Object('test'));
|
|
boxedSymbol.slow = true;
|
|
assertNotDeepOrStrict(boxedSymbol, {});
|
|
assertNotDeepOrStrict(boxedSymbol, fakeBoxedSymbol);
|
|
}
|
|
|
|
// Minus zero
|
|
assertOnlyDeepEqual(0, -0);
|
|
assertDeepAndStrictEqual(-0, -0);
|
|
|
|
// Handle symbols (enumerable only)
|
|
{
|
|
const symbol1 = Symbol();
|
|
const obj1 = { [symbol1]: 1 };
|
|
const obj2 = { [symbol1]: 1 };
|
|
const obj3 = { [Symbol()]: 1 };
|
|
// Add a non enumerable symbol as well. It is going to be ignored!
|
|
Object.defineProperty(obj2, Symbol(), { value: 1 });
|
|
assertOnlyDeepEqual(obj1, obj3);
|
|
assertDeepAndStrictEqual(obj1, obj2);
|
|
obj2[Symbol()] = true;
|
|
assertOnlyDeepEqual(obj1, obj2);
|
|
// TypedArrays have a fast path. Test for this as well.
|
|
const a = new Uint8Array(4);
|
|
const b = new Uint8Array(4);
|
|
a[symbol1] = true;
|
|
b[symbol1] = false;
|
|
assertOnlyDeepEqual(a, b);
|
|
b[symbol1] = true;
|
|
assertDeepAndStrictEqual(a, b);
|
|
// The same as TypedArrays is valid for boxed primitives
|
|
const boxedStringA = new String('test');
|
|
const boxedStringB = new String('test');
|
|
boxedStringA[symbol1] = true;
|
|
assertOnlyDeepEqual(boxedStringA, boxedStringB);
|
|
boxedStringA[symbol1] = true;
|
|
assertDeepAndStrictEqual(a, b);
|
|
// Loose equal arrays should not compare symbols.
|
|
const arr = [1];
|
|
const arr2 = [1];
|
|
arr[symbol1] = true;
|
|
assertOnlyDeepEqual(arr, arr2);
|
|
arr2[symbol1] = false;
|
|
assertOnlyDeepEqual(arr, arr2);
|
|
}
|
|
|
|
assert.throws(
|
|
() => assert.notDeepEqual(1, true),
|
|
{
|
|
message: /1\n\nshould not loosely deep-equal\n\ntrue/
|
|
}
|
|
);
|
|
|
|
assert.throws(
|
|
() => assert.notDeepEqual(1, 1),
|
|
{
|
|
message: /Expected "actual" not to be loosely deep-equal to:\n\n1/
|
|
}
|
|
);
|
|
|
|
assertDeepAndStrictEqual(new Date(2000, 3, 14), new Date(2000, 3, 14));
|
|
|
|
assert.throws(() => { assert.deepEqual(new Date(), new Date(2000, 3, 14)); },
|
|
AssertionError,
|
|
'deepEqual(new Date(), new Date(2000, 3, 14))');
|
|
|
|
assert.throws(
|
|
() => { assert.notDeepEqual(new Date(2000, 3, 14), new Date(2000, 3, 14)); },
|
|
AssertionError,
|
|
'notDeepEqual(new Date(2000, 3, 14), new Date(2000, 3, 14))'
|
|
);
|
|
|
|
assert.throws(
|
|
() => { assert.notDeepEqual('a'.repeat(1024), 'a'.repeat(1024)); },
|
|
AssertionError,
|
|
'notDeepEqual("a".repeat(1024), "a".repeat(1024))'
|
|
);
|
|
|
|
assertNotDeepOrStrict(new Date(), new Date(2000, 3, 14));
|
|
|
|
assertDeepAndStrictEqual(/a/, /a/);
|
|
assertDeepAndStrictEqual(/a/g, /a/g);
|
|
assertDeepAndStrictEqual(/a/i, /a/i);
|
|
assertDeepAndStrictEqual(/a/m, /a/m);
|
|
assertDeepAndStrictEqual(/a/igm, /a/igm);
|
|
assertNotDeepOrStrict(/ab/, /a/);
|
|
assertNotDeepOrStrict(/a/g, /a/);
|
|
assertNotDeepOrStrict(/a/i, /a/);
|
|
assertNotDeepOrStrict(/a/m, /a/);
|
|
assertNotDeepOrStrict(/a/igm, /a/im);
|
|
|
|
{
|
|
const re1 = /a/g;
|
|
re1.lastIndex = 3;
|
|
assert.deepEqual(re1, /a/g);
|
|
}
|
|
|
|
assert.deepEqual(4, '4');
|
|
assert.deepEqual(true, 1);
|
|
assert.throws(() => assert.deepEqual(4, '5'),
|
|
AssertionError,
|
|
'deepEqual( 4, \'5\')');
|
|
|
|
// Having the same number of owned properties && the same set of keys.
|
|
assert.deepEqual({ a: 4 }, { a: 4 });
|
|
assert.deepEqual({ a: 4, b: '2' }, { a: 4, b: '2' });
|
|
assert.deepEqual([4], ['4']);
|
|
assert.throws(
|
|
() => assert.deepEqual({ a: 4 }, { a: 4, b: true }), AssertionError);
|
|
assert.notDeepEqual(['a'], { 0: 'a' });
|
|
assert.deepEqual({ a: 4, b: '1' }, { b: '1', a: 4 });
|
|
const a1 = [1, 2, 3];
|
|
const a2 = [1, 2, 3];
|
|
a1.a = 'test';
|
|
a1.b = true;
|
|
a2.b = true;
|
|
a2.a = 'test';
|
|
assert.throws(() => assert.deepEqual(Object.keys(a1), Object.keys(a2)),
|
|
AssertionError);
|
|
assertDeepAndStrictEqual(a1, a2);
|
|
|
|
// Having an identical prototype property.
|
|
const nbRoot = {
|
|
toString() { return `${this.first} ${this.last}`; }
|
|
};
|
|
|
|
function nameBuilder(first, last) {
|
|
this.first = first;
|
|
this.last = last;
|
|
return this;
|
|
}
|
|
nameBuilder.prototype = nbRoot;
|
|
|
|
function nameBuilder2(first, last) {
|
|
this.first = first;
|
|
this.last = last;
|
|
return this;
|
|
}
|
|
nameBuilder2.prototype = nbRoot;
|
|
|
|
const nb1 = new nameBuilder('Ryan', 'Dahl');
|
|
let nb2 = new nameBuilder2('Ryan', 'Dahl');
|
|
|
|
assert.deepEqual(nb1, nb2);
|
|
|
|
nameBuilder2.prototype = Object;
|
|
nb2 = new nameBuilder2('Ryan', 'Dahl');
|
|
assert.deepEqual(nb1, nb2);
|
|
|
|
// Primitives
|
|
assertNotDeepOrStrict(null, {});
|
|
assertNotDeepOrStrict(undefined, {});
|
|
assertNotDeepOrStrict('a', ['a']);
|
|
assertNotDeepOrStrict('a', { 0: 'a' });
|
|
assertNotDeepOrStrict(1, {});
|
|
assertNotDeepOrStrict(true, {});
|
|
assertNotDeepOrStrict(Symbol(), {});
|
|
assertNotDeepOrStrict(Symbol(), Symbol());
|
|
|
|
assertOnlyDeepEqual(4, '4');
|
|
assertOnlyDeepEqual(true, 1);
|
|
|
|
{
|
|
const s = Symbol();
|
|
assertDeepAndStrictEqual(s, s);
|
|
}
|
|
|
|
// Primitive wrappers and object.
|
|
assertNotDeepOrStrict(new String('a'), ['a']);
|
|
assertNotDeepOrStrict(new String('a'), { 0: 'a' });
|
|
assertNotDeepOrStrict(new Number(1), {});
|
|
assertNotDeepOrStrict(new Boolean(true), {});
|
|
|
|
// Same number of keys but different key names.
|
|
assertNotDeepOrStrict({ a: 1 }, { b: 1 });
|
|
|
|
assert.deepStrictEqual(new Date(2000, 3, 14), new Date(2000, 3, 14));
|
|
|
|
assert.throws(
|
|
() => assert.deepStrictEqual(new Date(), new Date(2000, 3, 14)),
|
|
AssertionError,
|
|
'deepStrictEqual(new Date(), new Date(2000, 3, 14))'
|
|
);
|
|
|
|
assert.throws(
|
|
() => assert.notDeepStrictEqual(new Date(2000, 3, 14), new Date(2000, 3, 14)),
|
|
{
|
|
name: 'AssertionError',
|
|
message: 'Expected "actual" not to be strictly deep-equal to:\n\n' +
|
|
util.inspect(new Date(2000, 3, 14))
|
|
}
|
|
);
|
|
|
|
assert.notDeepStrictEqual(new Date(), new Date(2000, 3, 14));
|
|
|
|
assert.throws(
|
|
() => assert.deepStrictEqual(/ab/, /a/),
|
|
{
|
|
code: 'ERR_ASSERTION',
|
|
name: 'AssertionError',
|
|
message: `${defaultMsgStartFull}\n\n+ /ab/\n- /a/`
|
|
});
|
|
assert.throws(
|
|
() => assert.deepStrictEqual(/a/g, /a/),
|
|
{
|
|
code: 'ERR_ASSERTION',
|
|
name: 'AssertionError',
|
|
message: `${defaultMsgStartFull}\n\n+ /a/g\n- /a/`
|
|
});
|
|
assert.throws(
|
|
() => assert.deepStrictEqual(/a/i, /a/),
|
|
{
|
|
code: 'ERR_ASSERTION',
|
|
name: 'AssertionError',
|
|
message: `${defaultMsgStartFull}\n\n+ /a/i\n- /a/`
|
|
});
|
|
assert.throws(
|
|
() => assert.deepStrictEqual(/a/m, /a/),
|
|
{
|
|
code: 'ERR_ASSERTION',
|
|
name: 'AssertionError',
|
|
message: `${defaultMsgStartFull}\n\n+ /a/m\n- /a/`
|
|
});
|
|
assert.throws(
|
|
() => assert.deepStrictEqual(/aa/igm, /aa/im),
|
|
{
|
|
code: 'ERR_ASSERTION',
|
|
name: 'AssertionError',
|
|
message: `${defaultMsgStartFull}\n\n+ /aa/gim\n- /aa/im\n ^`
|
|
});
|
|
|
|
{
|
|
const re1 = /a/;
|
|
re1.lastIndex = 3;
|
|
assert.deepStrictEqual(re1, /a/);
|
|
}
|
|
|
|
assert.throws(
|
|
() => assert.deepStrictEqual(4, '4'),
|
|
{ message: `${defaultMsgStart}\n4 !== '4'\n` }
|
|
);
|
|
|
|
assert.throws(
|
|
() => assert.deepStrictEqual(true, 1),
|
|
{ message: `${defaultMsgStart}\ntrue !== 1\n` }
|
|
);
|
|
|
|
// Having the same number of owned properties && the same set of keys.
|
|
assert.deepStrictEqual({ a: 4 }, { a: 4 });
|
|
assert.deepStrictEqual({ a: 4, b: '2' }, { a: 4, b: '2' });
|
|
assert.throws(() => assert.deepStrictEqual([4], ['4']),
|
|
{
|
|
code: 'ERR_ASSERTION',
|
|
name: 'AssertionError',
|
|
message: `${defaultMsgStartFull}\n\n [\n+ 4\n- '4'\n ]`
|
|
});
|
|
assert.throws(
|
|
() => assert.deepStrictEqual({ a: 4 }, { a: 4, b: true }),
|
|
{
|
|
code: 'ERR_ASSERTION',
|
|
name: 'AssertionError',
|
|
message: `${defaultMsgStartFull}\n\n ` +
|
|
'{\n a: 4,\n- b: true\n }'
|
|
});
|
|
assert.throws(
|
|
() => assert.deepStrictEqual(['a'], { 0: 'a' }),
|
|
{
|
|
code: 'ERR_ASSERTION',
|
|
name: 'AssertionError',
|
|
message: `${defaultMsgStartFull}\n\n` +
|
|
"+ [\n+ 'a'\n+ ]\n- {\n- '0': 'a'\n- }"
|
|
});
|
|
|
|
/* eslint-enable */
|
|
|
|
assertDeepAndStrictEqual({ a: 4, b: '1' }, { b: '1', a: 4 });
|
|
|
|
assert.throws(
|
|
() => assert.deepStrictEqual([0, 1, 2, 'a', 'b'], [0, 1, 2, 'b', 'a']),
|
|
AssertionError);
|
|
|
|
// Prototype check.
|
|
function Constructor1(first, last) {
|
|
this.first = first;
|
|
this.last = last;
|
|
}
|
|
|
|
function Constructor2(first, last) {
|
|
this.first = first;
|
|
this.last = last;
|
|
}
|
|
|
|
const obj1 = new Constructor1('Ryan', 'Dahl');
|
|
let obj2 = new Constructor2('Ryan', 'Dahl');
|
|
|
|
assert.throws(() => assert.deepStrictEqual(obj1, obj2), AssertionError);
|
|
|
|
Constructor2.prototype = Constructor1.prototype;
|
|
obj2 = new Constructor2('Ryan', 'Dahl');
|
|
|
|
assertDeepAndStrictEqual(obj1, obj2);
|
|
|
|
// Check extra properties on errors.
|
|
{
|
|
const a = new TypeError('foo');
|
|
const b = new TypeError('foo');
|
|
a.foo = 'bar';
|
|
b.foo = 'baz.';
|
|
|
|
assert.throws(
|
|
() => assert.throws(
|
|
() => assert.deepStrictEqual(a, b),
|
|
{
|
|
operator: 'throws',
|
|
message: `${defaultMsgStartFull}\n\n` +
|
|
' [TypeError: foo] {\n+ foo: \'bar\'\n- foo: \'baz\'\n }',
|
|
}
|
|
),
|
|
{
|
|
message: 'Expected values to be strictly deep-equal:\n' +
|
|
'+ actual - expected ... Lines skipped\n' +
|
|
'\n' +
|
|
' Comparison {\n' +
|
|
" message: 'Expected values to be strictly deep-equal:\\n' +\n" +
|
|
'...\n' +
|
|
" ' [TypeError: foo] {\\n' +\n" +
|
|
" \"+ foo: 'bar'\\n\" +\n" +
|
|
"+ \"- foo: 'baz.'\\n\" +\n" +
|
|
"- \"- foo: 'baz'\\n\" +\n" +
|
|
" ' }',\n" +
|
|
"+ operator: 'deepStrictEqual'\n" +
|
|
"- operator: 'throws'\n" +
|
|
' }'
|
|
}
|
|
);
|
|
}
|
|
|
|
// Check proxies.
|
|
{
|
|
// TODO(BridgeAR): Check if it would not be better to detect proxies instead
|
|
// of just using the proxy value.
|
|
const arrProxy = new Proxy([1, 2], {});
|
|
assert.deepStrictEqual(arrProxy, [1, 2]);
|
|
const tmp = util.inspect.defaultOptions;
|
|
util.inspect.defaultOptions = { showProxy: true };
|
|
assert.throws(
|
|
() => assert.deepStrictEqual(arrProxy, [1, 2, 3]),
|
|
{ message: `${defaultMsgStartFull}\n\n` +
|
|
' [\n 1,\n 2,\n- 3\n ]' }
|
|
);
|
|
util.inspect.defaultOptions = tmp;
|
|
|
|
const invalidTrap = new Proxy([1, 2, 3], {
|
|
ownKeys() { return []; }
|
|
});
|
|
assert.throws(
|
|
() => assert.deepStrictEqual(invalidTrap, [1, 2, 3]),
|
|
{
|
|
name: 'TypeError',
|
|
message: "'ownKeys' on proxy: trap result did not include 'length'"
|
|
}
|
|
);
|
|
}
|
|
|
|
// Strict equal with identical objects that are not identical
|
|
// by reference and longer than 50 elements
|
|
// E.g., assert.deepStrictEqual({ a: Symbol() }, { a: Symbol() })
|
|
{
|
|
const a = {};
|
|
const b = {};
|
|
for (let i = 0; i < 55; i++) {
|
|
a[`symbol${i}`] = Symbol();
|
|
b[`symbol${i}`] = Symbol();
|
|
}
|
|
|
|
assert.throws(
|
|
() => assert.deepStrictEqual(a, b),
|
|
{
|
|
code: 'ERR_ASSERTION',
|
|
name: 'AssertionError',
|
|
message: /\.\.\./g
|
|
}
|
|
);
|
|
}
|
|
|
|
// Basic valueOf check.
|
|
{
|
|
const a = new String(1);
|
|
a.valueOf = undefined;
|
|
assertNotDeepOrStrict(a, new String(1));
|
|
}
|
|
|
|
// Basic array out of bounds check.
|
|
{
|
|
const arr = [1, 2, 3];
|
|
arr[2 ** 32] = true;
|
|
assertNotDeepOrStrict(arr, [1, 2, 3]);
|
|
}
|
|
|
|
assert.throws(
|
|
() => assert.deepStrictEqual([1, 2, 3], [1, 2]),
|
|
{
|
|
code: 'ERR_ASSERTION',
|
|
name: 'AssertionError',
|
|
message: `${defaultMsgStartFull}\n\n` +
|
|
' [\n' +
|
|
' 1,\n' +
|
|
' 2,\n' +
|
|
'+ 3\n' +
|
|
' ]'
|
|
}
|
|
);
|
|
|
|
// Verify that manipulating the `getTime()` function has no impact on the time
|
|
// verification.
|
|
{
|
|
const a = new Date('2000');
|
|
const b = new Date('2000');
|
|
Object.defineProperty(a, 'getTime', {
|
|
value: () => 5
|
|
});
|
|
assertDeepAndStrictEqual(a, b);
|
|
}
|
|
|
|
// Verify that an array and the equivalent fake array object
|
|
// are correctly compared
|
|
{
|
|
const a = [1, 2, 3];
|
|
const o = {
|
|
__proto__: Array.prototype,
|
|
0: 1,
|
|
1: 2,
|
|
2: 3,
|
|
length: 3,
|
|
};
|
|
Object.defineProperty(o, 'length', { enumerable: false });
|
|
assertNotDeepOrStrict(o, a);
|
|
}
|
|
|
|
// Verify that extra keys will be tested for when using fake arrays.
|
|
{
|
|
const a = {
|
|
0: 1,
|
|
1: 1,
|
|
2: 'broken'
|
|
};
|
|
Object.setPrototypeOf(a, Object.getPrototypeOf([]));
|
|
Object.defineProperty(a, Symbol.toStringTag, {
|
|
value: 'Array',
|
|
});
|
|
Object.defineProperty(a, 'length', {
|
|
value: 2
|
|
});
|
|
assertNotDeepOrStrict(a, [1, 1]);
|
|
}
|
|
|
|
// Verify that changed tags will still check for the error message.
|
|
{
|
|
const err = new Error('foo');
|
|
err[Symbol.toStringTag] = 'Foobar';
|
|
const err2 = new Error('bar');
|
|
err2[Symbol.toStringTag] = 'Foobar';
|
|
assertNotDeepOrStrict(err, err2, AssertionError);
|
|
}
|
|
|
|
// Check for non-native errors.
|
|
{
|
|
const source = new Error('abc');
|
|
const err = Object.create(
|
|
Object.getPrototypeOf(source), Object.getOwnPropertyDescriptors(source));
|
|
Object.defineProperty(err, 'message', { value: 'foo' });
|
|
const err2 = Object.create(
|
|
Object.getPrototypeOf(source), Object.getOwnPropertyDescriptors(source));
|
|
Object.defineProperty(err2, 'message', { value: 'bar' });
|
|
err[Symbol.toStringTag] = 'Foo';
|
|
err2[Symbol.toStringTag] = 'Foo';
|
|
assert.notDeepStrictEqual(err, err2);
|
|
}
|
|
|
|
// Verify that `valueOf` is not called for boxed primitives.
|
|
{
|
|
const a = new Number(5);
|
|
const b = new Number(5);
|
|
Object.defineProperty(a, 'valueOf', {
|
|
value: () => { throw new Error('failed'); }
|
|
});
|
|
Object.defineProperty(b, 'valueOf', {
|
|
value: () => { throw new Error('failed'); }
|
|
});
|
|
assertDeepAndStrictEqual(a, b);
|
|
}
|
|
|
|
// Check getters.
|
|
{
|
|
const a = {
|
|
get a() { return 5; }
|
|
};
|
|
const b = {
|
|
get a() { return 6; }
|
|
};
|
|
assert.throws(
|
|
() => assert.deepStrictEqual(a, b),
|
|
{
|
|
code: 'ERR_ASSERTION',
|
|
name: 'AssertionError',
|
|
message: /a: \[Getter: 5]\n- a: \[Getter: 6]\n /
|
|
}
|
|
);
|
|
|
|
// The descriptor is not compared.
|
|
assertDeepAndStrictEqual(a, { a: 5 });
|
|
}
|
|
|
|
// Verify object types being identical on both sides.
|
|
{
|
|
let a = Buffer.from('test');
|
|
let b = Object.create(
|
|
Object.getPrototypeOf(a),
|
|
Object.getOwnPropertyDescriptors(a)
|
|
);
|
|
Object.defineProperty(b, Symbol.toStringTag, {
|
|
value: 'Uint8Array'
|
|
});
|
|
assertNotDeepOrStrict(a, b);
|
|
|
|
a = new Uint8Array(10);
|
|
b = new Int8Array(10);
|
|
Object.defineProperty(b, Symbol.toStringTag, {
|
|
value: 'Uint8Array'
|
|
});
|
|
Object.setPrototypeOf(b, Uint8Array.prototype);
|
|
assertNotDeepOrStrict(a, b);
|
|
|
|
a = [1, 2, 3];
|
|
b = { 0: 1, 1: 2, 2: 3 };
|
|
Object.setPrototypeOf(b, Array.prototype);
|
|
Object.defineProperty(b, 'length', { value: 3, enumerable: false });
|
|
Object.defineProperty(b, Symbol.toStringTag, {
|
|
value: 'Array'
|
|
});
|
|
assertNotDeepOrStrict(a, b);
|
|
|
|
a = new Date(2000);
|
|
b = Object.create(
|
|
Object.getPrototypeOf(a),
|
|
Object.getOwnPropertyDescriptors(a)
|
|
);
|
|
Object.defineProperty(b, Symbol.toStringTag, {
|
|
value: 'Date'
|
|
});
|
|
assertNotDeepOrStrict(a, b);
|
|
|
|
a = /abc/g;
|
|
b = Object.create(
|
|
Object.getPrototypeOf(a),
|
|
Object.getOwnPropertyDescriptors(a)
|
|
);
|
|
Object.defineProperty(b, Symbol.toStringTag, {
|
|
value: 'RegExp'
|
|
});
|
|
assertNotDeepOrStrict(a, b);
|
|
|
|
a = [];
|
|
b = /abc/;
|
|
Object.setPrototypeOf(b, Array.prototype);
|
|
Object.defineProperty(b, Symbol.toStringTag, {
|
|
value: 'Array'
|
|
});
|
|
assertNotDeepOrStrict(a, b);
|
|
|
|
a = Object.create(null);
|
|
b = new RangeError('abc');
|
|
Object.defineProperty(a, Symbol.toStringTag, {
|
|
value: 'Error'
|
|
});
|
|
Object.setPrototypeOf(b, null);
|
|
assertNotDeepOrStrict(a, b, assert.AssertionError);
|
|
}
|