'use strict'; const common = require('../common'); const assert = require('assert'); const { exec } = require('child_process'); // Should throw if -c and -e flags are both passed ['-c', '--check'].forEach(function(checkFlag) { ['-e', '--eval'].forEach(function(evalFlag) { exec(...common.escapePOSIXShell`"${process.execPath}" ${checkFlag} ${evalFlag} foo`, common.mustCall((err, stdout, stderr) => { assert.strictEqual(err instanceof Error, true); assert.strictEqual(err.code, 9); assert( stderr.startsWith( `${process.execPath}: either --check or --eval can be used, not both` ) ); })); }); });