node/test/pummel/test-child-process-spawn-loop.js
isaacs 3e1b1dd4a9 Remove excessive copyright/license boilerplate
The copyright and license notice is already in the LICENSE file.  There
is no justifiable reason to also require that it be included in every
file, since the individual files are not individually distributed except
as part of the entire package.
2015-01-12 15:30:28 -08:00

40 lines
824 B
JavaScript

var common = require('../common');
var assert = require('assert');
var spawn = require('child_process').spawn;
var is_windows = process.platform === 'win32';
var SIZE = 1000 * 1024;
var N = 40;
var finished = false;
function doSpawn(i) {
var child = spawn('python', ['-c', 'print ' + SIZE + ' * "C"']);
var count = 0;
child.stdout.setEncoding('ascii');
child.stdout.on('data', function(chunk) {
count += chunk.length;
});
child.stderr.on('data', function(chunk) {
console.log('stderr: ' + chunk);
});
child.on('close', function() {
// + 1 for \n or + 2 for \r\n on Windows
assert.equal(SIZE + (is_windows ? 2 : 1), count);
if (i < N) {
doSpawn(i + 1);
} else {
finished = true;
}
});
}
doSpawn(0);
process.on('exit', function() {
assert.ok(finished);
});