var common = require('../common'); var assert = require('assert'); var execFile = require('child_process').execFile; var depmod = require.resolve('../fixtures/deprecated.js'); var node = process.execPath; var normal = [depmod]; var noDep = ['--no-deprecation', depmod]; var traceDep = ['--trace-deprecation', depmod]; execFile(node, normal, function(er, stdout, stderr) { console.error('normal: show deprecation warning'); assert.equal(er, null); assert.equal(stdout, ''); assert.equal(stderr, 'util.p: Use console.error() instead\n\'This is deprecated\'\n'); console.log('normal ok'); }); execFile(node, noDep, function(er, stdout, stderr) { console.error('--no-deprecation: silence deprecations'); assert.equal(er, null); assert.equal(stdout, ''); assert.equal(stderr, '\'This is deprecated\'\n'); console.log('silent ok'); }); execFile(node, traceDep, function(er, stdout, stderr) { console.error('--trace-deprecation: show stack'); assert.equal(er, null); assert.equal(stdout, ''); var stack = stderr.trim().split('\n'); // just check the top and bottom. assert.equal(stack[0], 'Trace: util.p: Use console.error() instead'); assert.equal(stack.pop(), '\'This is deprecated\''); console.log('trace ok'); });