// 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(typeof process.stdout.fd, 'number'); assert.strictEqual(typeof process.stderr.fd, 'number'); 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'); }); assert.throws(() => console.time(Symbol('test')), /^TypeError: Cannot convert a Symbol value to a string$/); assert.throws(() => console.timeEnd(Symbol('test')), /^TypeError: Cannot convert a Symbol value to a string$/); // an Object with a custom .inspect() function const custom_inspect = { foo: 'bar', inspect: () => 'inspect' }; const strings = []; const errStrings = []; common.hijackStdout(function(data) { strings.push(data); }); common.hijackStderr(function(data) { errStrings.push(data); }); // 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'); // verify that values are coerced to strings console.time([]); console.timeEnd([]); console.time({}); console.timeEnd({}); console.time(null); console.timeEnd(null); console.time(undefined); console.timeEnd('default'); console.time('default'); console.timeEnd(); console.time(NaN); console.timeEnd(NaN); assert.strictEqual(strings.length, process.stdout.writeTimes); assert.strictEqual(errStrings.length, process.stderr.writeTimes); common.restoreStdout(); common.restoreStderr(); // 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(strings.shift(), `${expected}\n`); assert.strictEqual(errStrings.shift(), `${expected}\n`); } for (const expected of expectedStrings) { assert.strictEqual(strings.shift(), `${expected}\n`); assert.strictEqual(errStrings.shift(), `${expected}\n`); } assert.strictEqual(strings.shift(), "{ foo: 'bar', inspect: [Function: inspect] }\n"); assert.strictEqual(strings.shift(), "{ foo: 'bar', inspect: [Function: inspect] }\n"); assert.ok(strings.shift().includes('foo: [Object]')); assert.strictEqual(strings.shift().includes('baz'), false); 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(errStrings.shift().split('\n').shift(), 'Trace: This is a {"formatted":"trace"} 10 foo'); common.expectsError(() => { console.assert(false, 'should throw'); }, { code: 'ERR_ASSERTION', message: /^should throw$/ }); assert.doesNotThrow(() => { console.assert(true, 'this should not throw'); }); // hijack stderr to catch `process.emitWarning` which is using // `process.nextTick` common.hijackStderr(common.mustCall(function(data) { common.restoreStderr(); // stderr.write will catch sync error, so use `process.nextTick` here process.nextTick(function() { assert.strictEqual(data.includes('no such label'), true); }); }));