csrc/node-v0.10.24/test/simple/test-exec-max-buffer.js

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var common = require('../common');
var exec = require('child_process').exec;
var assert = require('assert');

var cmd = 'echo "hello world"';

exec(cmd, { maxBuffer: 5 }, function(err, stdout, stderr) {
  assert.ok(err);
  assert.ok(/maxBuffer/.test(err.message));
});