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'use strict';
const common = require('../common');
const assert = require('assert');
// Verify that stdout is never read from.
const net = require('net');
const read = net.Socket.prototype.read;
net.Socket.prototype.read = function() {
if (this.fd === 1)
throw new Error('reading from stdout!');
if (this.fd === 2)
throw new Error('reading from stderr!');
return read.apply(this, arguments);
};
if (process.argv[2] === 'child')
child();
else
parent();
function parent() {
const spawn = require('child_process').spawn;
const node = process.execPath;
const c1 = spawn(node, [__filename, 'child']);
let c1out = '';
c1.stdout.setEncoding('utf8');
c1.stdout.on('data', function(chunk) {
c1out += chunk;
});
c1.stderr.setEncoding('utf8');
c1.stderr.on('data', function(chunk) {
console.error(`c1err: ${chunk.split('\n').join('\nc1err: ')}`);
});
c1.on('close', common.mustCall(function(code, signal) {
assert(!code);
assert(!signal);
assert.strictEqual(c1out, 'ok\n');
console.log('ok');
}));
const c2 = spawn(node, ['-e', 'console.log("ok")']);
let c2out = '';
c2.stdout.setEncoding('utf8');
c2.stdout.on('data', function(chunk) {
c2out += chunk;
});
c1.stderr.setEncoding('utf8');
c1.stderr.on('data', function(chunk) {
console.error(`c1err: ${chunk.split('\n').join('\nc1err: ')}`);
});
c2.on('close', common.mustCall(function(code, signal) {
assert(!code);
assert(!signal);
assert.strictEqual(c2out, 'ok\n');
console.log('ok');
}));
}
function child() {
// Should not be reading *ever* in here.
net.Socket.prototype.read = function() {
throw new Error('no reading allowed in child');
};
console.log('ok');
}
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