nodejs/test/simple/test-sigint-infinite-loop.js

// This test is to assert that we can SIGINT a script which loops forever.
// ref: http://groups.google.com/group/nodejs-dev/browse_thread/thread/e20f2f8df0296d3f
var common = require('../common');
var assert = require('assert');
var spawn = require('child_process').spawn;

console.log("start");

var c = spawn(process.execPath, ['-e', 'while(true) { console.log("hi"); }']);

var sentKill = false;
var gotChildExit = true;

c.stdout.on('data', function (s) {
  // Prevent race condition:
  // Wait for the first bit of output from the child process
  // so that we're sure that it's in the V8 event loop and not 
  // just in the startup phase of execution.
  if (!sentKill) {
    c.kill('SIGINT')
    console.log("SIGINT infinite-loop.js");
    sentKill = true;
  }
});

c.on('exit', function (code) {
  assert.ok(code !== 0);
  console.log("killed infinite-loop.js");
  gotChildExit = true;
});

process.on('exit', function () {
  assert.ok(sentKill);
  assert.ok(gotChildExit);
});