// Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. 'use strict'; const common = require('../common'); const assert = require('assert'); assert.ok(process.stdout.writable); assert.ok(process.stderr.writable); // Support legacy API assert.strictEqual('number', typeof process.stdout.fd); assert.strictEqual('number', typeof process.stderr.fd); assert.doesNotThrow(function() { process.once('warning', common.mustCall((warning) => { assert(/no such label/.test(warning.message)); })); console.timeEnd('no such label'); }); assert.doesNotThrow(function() { console.time('label'); console.timeEnd('label'); }); // an Object with a custom .inspect() function const custom_inspect = { foo: 'bar', inspect: () => 'inspect' }; const stdout_write = global.process.stdout.write; const stderr_write = global.process.stderr.write; const strings = []; const errStrings = []; global.process.stdout.write = function(string) { strings.push(string); }; global.process.stderr.write = function(string) { errStrings.push(string); }; // test console.log() goes to stdout console.log('foo'); console.log('foo', 'bar'); console.log('%s %s', 'foo', 'bar', 'hop'); console.log({slashes: '\\\\'}); console.log(custom_inspect); // test console.info() goes to stdout console.info('foo'); console.info('foo', 'bar'); console.info('%s %s', 'foo', 'bar', 'hop'); console.info({slashes: '\\\\'}); console.info(custom_inspect); // test console.error() goes to stderr console.error('foo'); console.error('foo', 'bar'); console.error('%s %s', 'foo', 'bar', 'hop'); console.error({slashes: '\\\\'}); console.error(custom_inspect); // test console.warn() goes to stderr console.warn('foo'); console.warn('foo', 'bar'); console.warn('%s %s', 'foo', 'bar', 'hop'); console.warn({slashes: '\\\\'}); console.warn(custom_inspect); // test console.dir() console.dir(custom_inspect); console.dir(custom_inspect, { showHidden: false }); console.dir({ foo: { bar: { baz: true } } }, { depth: 0 }); console.dir({ foo: { bar: { baz: true } } }, { depth: 1 }); // test console.trace() console.trace('This is a %j %d', { formatted: 'trace' }, 10, 'foo'); // test console.time() and console.timeEnd() output console.time('label'); console.timeEnd('label'); // verify that Object.prototype properties can be used as labels console.time('__proto__'); console.timeEnd('__proto__'); console.time('constructor'); console.timeEnd('constructor'); console.time('hasOwnProperty'); console.timeEnd('hasOwnProperty'); global.process.stdout.write = stdout_write; global.process.stderr.write = stderr_write; // verify that console.timeEnd() doesn't leave dead links const timesMapSize = console._times.size; console.time('label1'); console.time('label2'); console.time('label3'); console.timeEnd('label1'); console.timeEnd('label2'); console.timeEnd('label3'); assert.strictEqual(console._times.size, timesMapSize); const expectedStrings = [ 'foo', 'foo bar', 'foo bar hop', "{ slashes: '\\\\\\\\' }", 'inspect' ]; for (const expected of expectedStrings) { assert.strictEqual(expected + '\n', strings.shift()); assert.strictEqual(expected + '\n', errStrings.shift()); } for (const expected of expectedStrings) { assert.strictEqual(expected + '\n', strings.shift()); assert.strictEqual(expected + '\n', errStrings.shift()); } assert.strictEqual("{ foo: 'bar', inspect: [Function: inspect] }\n", strings.shift()); assert.strictEqual("{ foo: 'bar', inspect: [Function: inspect] }\n", strings.shift()); assert.ok(strings.shift().includes('foo: [Object]')); assert.strictEqual(-1, strings.shift().indexOf('baz')); assert.ok(/^label: \d+\.\d{3}ms$/.test(strings.shift().trim())); assert.ok(/^__proto__: \d+\.\d{3}ms$/.test(strings.shift().trim())); assert.ok(/^constructor: \d+\.\d{3}ms$/.test(strings.shift().trim())); assert.ok(/^hasOwnProperty: \d+\.\d{3}ms$/.test(strings.shift().trim())); assert.strictEqual('Trace: This is a {"formatted":"trace"} 10 foo', errStrings.shift().split('\n').shift()); assert.strictEqual(strings.length, 0); assert.strictEqual(errStrings.length, 0); assert.throws(() => { console.assert(false, 'should throw'); }, /^AssertionError: should throw$/); assert.doesNotThrow(() => { console.assert(true, 'this should not throw'); });