'use strict'; require('../common'); const assert = require('assert'); const util = require('util'); assert.ok(process.stdout.writable); assert.ok(process.stderr.writable); var stdout_write = global.process.stdout.write; var strings = []; global.process.stdout.write = function(string) { strings.push(string); }; console._stderr = process.stdout; var tests = [ {input: 'foo', output: 'foo'}, {input: undefined, output: 'undefined'}, {input: null, output: 'null'}, {input: false, output: 'false'}, {input: 42, output: '42'}, {input: function() {}, output: '[Function: input]'}, {input: parseInt('not a number', 10), output: 'NaN'}, {input: {answer: 42}, output: '{ answer: 42 }'}, {input: [1, 2, 3], output: '[ 1, 2, 3 ]'} ]; // test util.log() tests.forEach(function(test) { util.log(test.input); const result = strings.shift().trim(); const re = (/[0-9]{1,2} [A-Z][a-z]{2} [0-9]{2}:[0-9]{2}:[0-9]{2} - (.+)$/); const match = re.exec(result); assert.ok(match); assert.equal(match[1], test.output); }); global.process.stdout.write = stdout_write;