node/test/simple/test-process-kill-pid.js

// Copyright Joyent, Inc. and other Node contributors.
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var common = require('../common');
var assert = require('assert');

var pass;
var wait = setInterval(function(){}, 1000);

process.on('exit', function(code) {
  if (code === 0) {
    assert.ok(pass);
  }
});

// test variants of pid
//
// null: TypeError
// undefined: TypeError
//
// 'SIGTERM': TypeError
//
// String(process.pid): TypeError
//
// Nan, Infinity, -Infinity: TypeError
//
// 0, process.pid: ourself

assert.throws(function() { process.kill('SIGTERM'); }, TypeError);
assert.throws(function() { process.kill(String(process.pid)); }, TypeError);
assert.throws(function() { process.kill(null); }, TypeError);
assert.throws(function() { process.kill(undefined); }, TypeError);
assert.throws(function() { process.kill(+'not a number'); }, TypeError);
assert.throws(function() { process.kill(1/0); }, TypeError);
assert.throws(function() { process.kill(-1/0); }, TypeError);

process.once('SIGHUP', function() {
  process.once('SIGHUP', function() {
    pass = true;
    clearInterval(wait);
  });
  process.kill(process.pid, 'SIGHUP');
});

process.kill(0, 'SIGHUP');