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'use strict';
if (module.parent) {
// signal we've been loaded as a module
console.log('Loaded as a module, exiting with status code 42.');
process.exit(42);
}
const common = require('../common');
const assert = require('assert');
const child = require('child_process');
const path = require('path');
const nodejs = '"' + process.execPath + '"';
// replace \ by / because windows uses backslashes in paths, but they're still
// interpreted as the escape character when put between quotes.
var filename = __filename.replace(/\\/g, '/');
// assert that nothing is written to stdout
child.exec(nodejs + ' --eval 42',
function(err, stdout, stderr) {
assert.equal(stdout, '');
assert.equal(stderr, '');
});
// assert that "42\n" is written to stderr
child.exec(nodejs + ' --eval "console.error(42)"',
function(err, stdout, stderr) {
assert.equal(stdout, '');
assert.equal(stderr, '42\n');
});
// assert that the expected output is written to stdout
['--print', '-p -e', '-pe', '-p'].forEach(function(s) {
var cmd = nodejs + ' ' + s + ' ';
child.exec(cmd + '42',
function(err, stdout, stderr) {
assert.equal(stdout, '42\n');
assert.equal(stderr, '');
});
child.exec(cmd + "'[]'",
function(err, stdout, stderr) {
assert.equal(stdout, '[]\n');
assert.equal(stderr, '');
});
});
// assert that module loading works
child.exec(nodejs + ' --eval "require(\'' + filename + '\')"',
function(status, stdout, stderr) {
assert.equal(status.code, 42);
});
// module path resolve bug, regression test
child.exec(nodejs + ' --eval "require(\'./test/parallel/test-cli-eval.js\')"',
function(status, stdout, stderr) {
assert.equal(status.code, 42);
});
// empty program should do nothing
child.exec(nodejs + ' -e ""', function(status, stdout, stderr) {
assert.equal(stdout, '');
assert.equal(stderr, '');
});
// "\\-42" should be interpreted as an escaped expression, not a switch
child.exec(nodejs + ' -p "\\-42"',
function(err, stdout, stderr) {
assert.equal(stdout, '-42\n');
assert.equal(stderr, '');
});
child.exec(nodejs + ' --use-strict -p process.execArgv',
function(status, stdout, stderr) {
assert.equal(stdout, "[ '--use-strict', '-p', 'process.execArgv' ]\n");
});
// Regression test for https://github.com/nodejs/node/issues/3574
const emptyFile = path.join(common.fixturesDir, 'empty.js');
child.exec(nodejs + ` -e 'require("child_process").fork("${emptyFile}")'`,
function(status, stdout, stderr) {
assert.equal(stdout, '');
assert.equal(stderr, '');
});
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