'use strict'; const common = require('../common'); const assert = require('assert'); const path = require('path'); const child_process = require('child_process'); const wrong_script = path.join(common.fixturesDir, 'cert.pem'); const p = child_process.spawn(process.execPath, [ '-e', 'require(process.argv[1]);', wrong_script ]); p.stdout.on('data', function(data) { assert.fail(`Unexpected stdout data: ${data}`); }); let output = ''; p.stderr.on('data', function(data) { output += data; }); process.on('exit', function() { assert(/BEGIN CERT/.test(output)); assert(/^\s+\^/m.test(output)); assert(/Invalid left-hand side expression in prefix operation/.test(output)); });