From 02fe8215f09ce8a89a5cd4e76cbd78a59771c96e Mon Sep 17 00:00:00 2001
From: Rich Trott <rtrott@gmail.com>
Date: Sun, 27 Sep 2015 15:31:36 -0700
Subject: [PATCH] test: load common.js to test for global leaks

common.js contains code that checks for variables leaking into the
global namespace. Load common.js in all tests that do not
intentionally leak variables.

PR-URL: https://github.com/nodejs/node/pull/3095
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
---
 test/parallel/test-arm-math-exp-regress-1376.js          | 1 +
 test/parallel/test-bad-unicode.js                        | 1 +
 test/parallel/test-beforeexit-event-exit.js              | 1 +
 test/parallel/test-child-process-fork-exec-argv.js       | 1 +
 test/parallel/test-cluster-disconnect-before-exit.js     | 1 +
 test/parallel/test-cluster-disconnect-unshared-tcp.js    | 1 +
 test/parallel/test-cluster-disconnect-with-no-workers.js | 1 +
 test/parallel/test-cluster-worker-events.js              | 1 +
 test/parallel/test-cluster-worker-forced-exit.js         | 1 +
 test/parallel/test-cluster-worker-isconnected.js         | 1 +
 test/parallel/test-cluster-worker-isdead.js              | 1 +
 test/parallel/test-domain-enter-exit.js                  | 1 +
 test/parallel/test-domain-nested.js                      | 1 +
 test/parallel/test-domain-safe-exit.js                   | 1 +
 test/parallel/test-event-emitter-errors.js               | 1 +
 test/parallel/test-freelist.js                           | 1 +
 test/parallel/test-http-client-read-in-error.js          | 1 +
 test/parallel/test-next-tick-doesnt-hang.js              | 1 +
 test/parallel/test-path-parse-format.js                  | 1 +
 test/parallel/test-process-argv-0.js                     | 1 +
 test/parallel/test-process-binding.js                    | 1 +
 test/parallel/test-process-exec-argv.js                  | 1 +
 test/parallel/test-process-exit-recursive.js             | 1 +
 test/parallel/test-readline-interface.js                 | 1 +
 test/parallel/test-readline-keys.js                      | 1 +
 test/parallel/test-readline-set-raw-mode.js              | 1 +
 test/parallel/test-readline-undefined-columns.js         | 1 +
 test/parallel/test-regress-GH-4256.js                    | 1 +
 test/parallel/test-regress-GH-5927.js                    | 1 +
 test/parallel/test-regress-GH-io-1068.js                 | 1 +
 test/parallel/test-regress-GH-io-1811.js                 | 1 +
 test/parallel/test-regress-GH-node-9326.js               | 1 +
 test/parallel/test-repl-tab.js                           | 1 +
 test/parallel/test-require-json.js                       | 1 +
 test/parallel/test-require-process.js                    | 1 +
 test/parallel/test-stdin-pause-resume-sync.js            | 1 +
 test/parallel/test-stdin-pause-resume.js                 | 1 +
 test/parallel/test-stdin-resume-pause.js                 | 1 +
 test/parallel/test-string-decoder-end.js                 | 1 +
 test/parallel/test-sync-io-option.js                     | 1 +
 test/parallel/test-timer-close.js                        | 1 +
 test/parallel/test-timers-non-integer-delay.js           | 1 +
 test/parallel/test-timers-this.js                        | 1 +
 test/parallel/test-timers-unref-leak.js                  | 1 +
 test/parallel/test-timers-unrefd-interval-still-fires.js | 1 +
 test/parallel/test-util-log.js                           | 1 +
 test/sequential/test-cluster-listening-port.js           | 1 +
 test/sequential/test-vm-timeout-rethrow.js               | 1 +
 48 files changed, 48 insertions(+)

diff --git a/test/parallel/test-arm-math-exp-regress-1376.js b/test/parallel/test-arm-math-exp-regress-1376.js
index c1011c564d1..c947208bd46 100644
--- a/test/parallel/test-arm-math-exp-regress-1376.js
+++ b/test/parallel/test-arm-math-exp-regress-1376.js
@@ -2,6 +2,7 @@
 // See https://github.com/nodejs/node/issues/1376
 // and https://code.google.com/p/v8/issues/detail?id=4019
 
+require('../common');
 Math.abs(-0.5);
 Math.acos(-0.5);
 Math.acosh(-0.5);
diff --git a/test/parallel/test-bad-unicode.js b/test/parallel/test-bad-unicode.js
index 6dcabc8fd47..d2ce9ef0101 100644
--- a/test/parallel/test-bad-unicode.js
+++ b/test/parallel/test-bad-unicode.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert'),
     exception = null;
 
diff --git a/test/parallel/test-beforeexit-event-exit.js b/test/parallel/test-beforeexit-event-exit.js
index 43d213a8f95..67676a79900 100644
--- a/test/parallel/test-beforeexit-event-exit.js
+++ b/test/parallel/test-beforeexit-event-exit.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 
 process.on('beforeExit', function() {
diff --git a/test/parallel/test-child-process-fork-exec-argv.js b/test/parallel/test-child-process-fork-exec-argv.js
index 94703a736a1..a7a58452f92 100644
--- a/test/parallel/test-child-process-fork-exec-argv.js
+++ b/test/parallel/test-child-process-fork-exec-argv.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 var child_process = require('child_process');
 var spawn = child_process.spawn;
diff --git a/test/parallel/test-cluster-disconnect-before-exit.js b/test/parallel/test-cluster-disconnect-before-exit.js
index 8f63bcd1134..eb9ef45fbe1 100644
--- a/test/parallel/test-cluster-disconnect-before-exit.js
+++ b/test/parallel/test-cluster-disconnect-before-exit.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var cluster = require('cluster');
 
 if (cluster.isMaster) {
diff --git a/test/parallel/test-cluster-disconnect-unshared-tcp.js b/test/parallel/test-cluster-disconnect-unshared-tcp.js
index a927b5da9fe..e05cbf42cf1 100644
--- a/test/parallel/test-cluster-disconnect-unshared-tcp.js
+++ b/test/parallel/test-cluster-disconnect-unshared-tcp.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 process.env.NODE_CLUSTER_SCHED_POLICY = 'none';
 
 var cluster = require('cluster');
diff --git a/test/parallel/test-cluster-disconnect-with-no-workers.js b/test/parallel/test-cluster-disconnect-with-no-workers.js
index 1c99461bfa4..4c2425d82d6 100644
--- a/test/parallel/test-cluster-disconnect-with-no-workers.js
+++ b/test/parallel/test-cluster-disconnect-with-no-workers.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 var cluster = require('cluster');
 
diff --git a/test/parallel/test-cluster-worker-events.js b/test/parallel/test-cluster-worker-events.js
index eb986556b69..0efad0e963e 100644
--- a/test/parallel/test-cluster-worker-events.js
+++ b/test/parallel/test-cluster-worker-events.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 var cluster = require('cluster');
 
diff --git a/test/parallel/test-cluster-worker-forced-exit.js b/test/parallel/test-cluster-worker-forced-exit.js
index 54d2ce8a478..76f5cc69a9f 100644
--- a/test/parallel/test-cluster-worker-forced-exit.js
+++ b/test/parallel/test-cluster-worker-forced-exit.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 var cluster = require('cluster');
 var net = require('net');
diff --git a/test/parallel/test-cluster-worker-isconnected.js b/test/parallel/test-cluster-worker-isconnected.js
index 4477278e313..eb3c5892bb5 100644
--- a/test/parallel/test-cluster-worker-isconnected.js
+++ b/test/parallel/test-cluster-worker-isconnected.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var cluster = require('cluster');
 var assert = require('assert');
 var util = require('util');
diff --git a/test/parallel/test-cluster-worker-isdead.js b/test/parallel/test-cluster-worker-isdead.js
index 045a620a9ef..70a96539851 100644
--- a/test/parallel/test-cluster-worker-isdead.js
+++ b/test/parallel/test-cluster-worker-isdead.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var cluster = require('cluster');
 var assert = require('assert');
 var net = require('net');
diff --git a/test/parallel/test-domain-enter-exit.js b/test/parallel/test-domain-enter-exit.js
index 5cf0d9c54a3..4fcd826c7c9 100644
--- a/test/parallel/test-domain-enter-exit.js
+++ b/test/parallel/test-domain-enter-exit.js
@@ -1,6 +1,7 @@
 'use strict';
 // Make sure the domain stack is a stack
 
+require('../common');
 var assert = require('assert');
 var domain = require('domain');
 
diff --git a/test/parallel/test-domain-nested.js b/test/parallel/test-domain-nested.js
index d0ef072339b..68c56d0c3c8 100644
--- a/test/parallel/test-domain-nested.js
+++ b/test/parallel/test-domain-nested.js
@@ -1,6 +1,7 @@
 'use strict';
 // Make sure that the nested domains don't cause the domain stack to grow
 
+require('../common');
 var assert = require('assert');
 var domain = require('domain');
 
diff --git a/test/parallel/test-domain-safe-exit.js b/test/parallel/test-domain-safe-exit.js
index 6661c577b30..f5b03f6ab75 100644
--- a/test/parallel/test-domain-safe-exit.js
+++ b/test/parallel/test-domain-safe-exit.js
@@ -1,6 +1,7 @@
 'use strict';
 // Make sure the domain stack doesn't get clobbered by un-matched .exit()
 
+require('../common');
 var assert = require('assert');
 var domain = require('domain');
 
diff --git a/test/parallel/test-event-emitter-errors.js b/test/parallel/test-event-emitter-errors.js
index 49203961ac8..3effb999b37 100644
--- a/test/parallel/test-event-emitter-errors.js
+++ b/test/parallel/test-event-emitter-errors.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var EventEmitter = require('events');
 var assert = require('assert');
 
diff --git a/test/parallel/test-freelist.js b/test/parallel/test-freelist.js
index 9a847a5f1ff..4f95a3d9b56 100644
--- a/test/parallel/test-freelist.js
+++ b/test/parallel/test-freelist.js
@@ -2,6 +2,7 @@
 
 // Flags: --expose-internals
 
+require('../common');
 const assert = require('assert');
 const freelist = require('freelist');
 const internalFreelist = require('internal/freelist');
diff --git a/test/parallel/test-http-client-read-in-error.js b/test/parallel/test-http-client-read-in-error.js
index 8d74aecb51b..142c0ee3715 100644
--- a/test/parallel/test-http-client-read-in-error.js
+++ b/test/parallel/test-http-client-read-in-error.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var net = require('net');
 var http = require('http');
 var util = require('util');
diff --git a/test/parallel/test-next-tick-doesnt-hang.js b/test/parallel/test-next-tick-doesnt-hang.js
index 5e63463d4d1..28797b4280e 100644
--- a/test/parallel/test-next-tick-doesnt-hang.js
+++ b/test/parallel/test-next-tick-doesnt-hang.js
@@ -4,6 +4,7 @@
  * does not hang the event loop. If this test times out it has failed.
  */
 
+require('../common');
 process.nextTick(function() {
   // Nothing
 });
diff --git a/test/parallel/test-path-parse-format.js b/test/parallel/test-path-parse-format.js
index e90fe217de9..709ede698ac 100644
--- a/test/parallel/test-path-parse-format.js
+++ b/test/parallel/test-path-parse-format.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 var path = require('path');
 
diff --git a/test/parallel/test-process-argv-0.js b/test/parallel/test-process-argv-0.js
index fb6df310e14..3299ec74ea7 100644
--- a/test/parallel/test-process-argv-0.js
+++ b/test/parallel/test-process-argv-0.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var path = require('path');
 var assert = require('assert');
 var spawn = require('child_process').spawn;
diff --git a/test/parallel/test-process-binding.js b/test/parallel/test-process-binding.js
index dad2816d40c..5350a8c6693 100644
--- a/test/parallel/test-process-binding.js
+++ b/test/parallel/test-process-binding.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 
 assert.throws(
diff --git a/test/parallel/test-process-exec-argv.js b/test/parallel/test-process-exec-argv.js
index 59c4264ee3c..c2b663ac67e 100644
--- a/test/parallel/test-process-exec-argv.js
+++ b/test/parallel/test-process-exec-argv.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 var spawn = require('child_process').spawn;
 
diff --git a/test/parallel/test-process-exit-recursive.js b/test/parallel/test-process-exit-recursive.js
index c1ee13370b2..53426a6b1cd 100644
--- a/test/parallel/test-process-exit-recursive.js
+++ b/test/parallel/test-process-exit-recursive.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 
 // recursively calling .exit() should not overflow the call stack
diff --git a/test/parallel/test-readline-interface.js b/test/parallel/test-readline-interface.js
index 5880d022502..6d79879615f 100644
--- a/test/parallel/test-readline-interface.js
+++ b/test/parallel/test-readline-interface.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 var readline = require('readline');
 var EventEmitter = require('events').EventEmitter;
diff --git a/test/parallel/test-readline-keys.js b/test/parallel/test-readline-keys.js
index 150273f7993..5cac38a1d7d 100644
--- a/test/parallel/test-readline-keys.js
+++ b/test/parallel/test-readline-keys.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var EventEmitter = require('events').EventEmitter;
 var PassThrough = require('stream').PassThrough;
 var assert = require('assert');
diff --git a/test/parallel/test-readline-set-raw-mode.js b/test/parallel/test-readline-set-raw-mode.js
index f9d5111581f..7810dfeda83 100644
--- a/test/parallel/test-readline-set-raw-mode.js
+++ b/test/parallel/test-readline-set-raw-mode.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 var readline = require('readline');
 var Stream = require('stream');
diff --git a/test/parallel/test-readline-undefined-columns.js b/test/parallel/test-readline-undefined-columns.js
index f2baf92184e..73945af8bc5 100644
--- a/test/parallel/test-readline-undefined-columns.js
+++ b/test/parallel/test-readline-undefined-columns.js
@@ -1,5 +1,6 @@
 'use strict';
 
+require('../common');
 const assert = require('assert');
 const PassThrough = require('stream').PassThrough;
 const readline = require('readline');
diff --git a/test/parallel/test-regress-GH-4256.js b/test/parallel/test-regress-GH-4256.js
index f512e613162..1a4a78b3c07 100644
--- a/test/parallel/test-regress-GH-4256.js
+++ b/test/parallel/test-regress-GH-4256.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 process.domain = null;
 var timer = setTimeout(function() {
   console.log('this console.log statement should not make node crash');
diff --git a/test/parallel/test-regress-GH-5927.js b/test/parallel/test-regress-GH-5927.js
index 541820c7a21..a23c947c320 100644
--- a/test/parallel/test-regress-GH-5927.js
+++ b/test/parallel/test-regress-GH-5927.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 var readline = require('readline');
 
diff --git a/test/parallel/test-regress-GH-io-1068.js b/test/parallel/test-regress-GH-io-1068.js
index cc91fe28df3..a92bb3e7525 100644
--- a/test/parallel/test-regress-GH-io-1068.js
+++ b/test/parallel/test-regress-GH-io-1068.js
@@ -1,2 +1,3 @@
 'use strict';
+require('../common');
 process.stdin.emit('end');
diff --git a/test/parallel/test-regress-GH-io-1811.js b/test/parallel/test-regress-GH-io-1811.js
index b7c99a17a5c..bfbf9924332 100644
--- a/test/parallel/test-regress-GH-io-1811.js
+++ b/test/parallel/test-regress-GH-io-1811.js
@@ -1,5 +1,6 @@
 'use strict';
 
+require('../common');
 const assert = require('assert');
 
 // Change kMaxLength for zlib to trigger the error without having to allocate
diff --git a/test/parallel/test-regress-GH-node-9326.js b/test/parallel/test-regress-GH-node-9326.js
index 5dc73e044e5..bb55050d2ce 100644
--- a/test/parallel/test-regress-GH-node-9326.js
+++ b/test/parallel/test-regress-GH-node-9326.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 var child_process = require('child_process');
 
diff --git a/test/parallel/test-repl-tab.js b/test/parallel/test-repl-tab.js
index badab2133b7..1ab3b474391 100644
--- a/test/parallel/test-repl-tab.js
+++ b/test/parallel/test-repl-tab.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 var util = require('util');
 var repl = require('repl');
diff --git a/test/parallel/test-require-json.js b/test/parallel/test-require-json.js
index 4c17fc8d025..bcb7f6ab7f3 100644
--- a/test/parallel/test-require-json.js
+++ b/test/parallel/test-require-json.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 
 try {
diff --git a/test/parallel/test-require-process.js b/test/parallel/test-require-process.js
index fdd921a6119..33634930b4e 100644
--- a/test/parallel/test-require-process.js
+++ b/test/parallel/test-require-process.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 
 var nativeProcess = require('process');
diff --git a/test/parallel/test-stdin-pause-resume-sync.js b/test/parallel/test-stdin-pause-resume-sync.js
index 4fe4d445a24..c0f41e92de5 100644
--- a/test/parallel/test-stdin-pause-resume-sync.js
+++ b/test/parallel/test-stdin-pause-resume-sync.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 console.error('before opening stdin');
 process.stdin.resume();
 console.error('stdin opened');
diff --git a/test/parallel/test-stdin-pause-resume.js b/test/parallel/test-stdin-pause-resume.js
index 2685deb0e9b..a07bf1327d2 100644
--- a/test/parallel/test-stdin-pause-resume.js
+++ b/test/parallel/test-stdin-pause-resume.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 console.error('before opening stdin');
 process.stdin.resume();
 console.error('stdin opened');
diff --git a/test/parallel/test-stdin-resume-pause.js b/test/parallel/test-stdin-resume-pause.js
index 963fd989f08..25bd3d7a2ea 100644
--- a/test/parallel/test-stdin-resume-pause.js
+++ b/test/parallel/test-stdin-resume-pause.js
@@ -1,3 +1,4 @@
 'use strict';
+require('../common');
 process.stdin.resume();
 process.stdin.pause();
diff --git a/test/parallel/test-string-decoder-end.js b/test/parallel/test-string-decoder-end.js
index f931c6abb98..c3afb88d778 100644
--- a/test/parallel/test-string-decoder-end.js
+++ b/test/parallel/test-string-decoder-end.js
@@ -3,6 +3,7 @@
 // the whole buffer at once, and that both match the .toString(enc)
 // result of the entire buffer.
 
+require('../common');
 var assert = require('assert');
 var SD = require('string_decoder').StringDecoder;
 var encodings = ['base64', 'hex', 'utf8', 'utf16le', 'ucs2'];
diff --git a/test/parallel/test-sync-io-option.js b/test/parallel/test-sync-io-option.js
index bb779a0aa66..d005a3fb698 100644
--- a/test/parallel/test-sync-io-option.js
+++ b/test/parallel/test-sync-io-option.js
@@ -1,5 +1,6 @@
 'use strict';
 
+require('../common');
 const assert = require('assert');
 const execFile = require('child_process').execFile;
 
diff --git a/test/parallel/test-timer-close.js b/test/parallel/test-timer-close.js
index 79f06dffa98..9eb70041eb4 100644
--- a/test/parallel/test-timer-close.js
+++ b/test/parallel/test-timer-close.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 
 var t = new (process.binding('timer_wrap').Timer);
diff --git a/test/parallel/test-timers-non-integer-delay.js b/test/parallel/test-timers-non-integer-delay.js
index a3e5420a5e4..97b2c0734f6 100644
--- a/test/parallel/test-timers-non-integer-delay.js
+++ b/test/parallel/test-timers-non-integer-delay.js
@@ -15,6 +15,7 @@
  * it 100%.
  */
 
+require('../common');
 var assert = require('assert');
 
 var TIMEOUT_DELAY = 1.1;
diff --git a/test/parallel/test-timers-this.js b/test/parallel/test-timers-this.js
index df710b9cb8d..1882f116fec 100644
--- a/test/parallel/test-timers-this.js
+++ b/test/parallel/test-timers-this.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 
 var immediateThis, intervalThis, timeoutThis,
diff --git a/test/parallel/test-timers-unref-leak.js b/test/parallel/test-timers-unref-leak.js
index 55907d9bc48..a1b1265763b 100644
--- a/test/parallel/test-timers-unref-leak.js
+++ b/test/parallel/test-timers-unref-leak.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 
 var called = 0;
diff --git a/test/parallel/test-timers-unrefd-interval-still-fires.js b/test/parallel/test-timers-unrefd-interval-still-fires.js
index 50a473b9c8b..98bd278b451 100644
--- a/test/parallel/test-timers-unrefd-interval-still-fires.js
+++ b/test/parallel/test-timers-unrefd-interval-still-fires.js
@@ -2,6 +2,7 @@
 /*
  * This test is a regression test for joyent/node#8900.
  */
+require('../common');
 var assert = require('assert');
 
 var N = 5;
diff --git a/test/parallel/test-util-log.js b/test/parallel/test-util-log.js
index 9285e3e3409..fbea5e5a31d 100644
--- a/test/parallel/test-util-log.js
+++ b/test/parallel/test-util-log.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 var util = require('util');
 
diff --git a/test/sequential/test-cluster-listening-port.js b/test/sequential/test-cluster-listening-port.js
index eb8a974d04b..c9c65389036 100644
--- a/test/sequential/test-cluster-listening-port.js
+++ b/test/sequential/test-cluster-listening-port.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 var cluster = require('cluster');
 var net = require('net');
diff --git a/test/sequential/test-vm-timeout-rethrow.js b/test/sequential/test-vm-timeout-rethrow.js
index 4f3af900ee0..dd513b5a694 100644
--- a/test/sequential/test-vm-timeout-rethrow.js
+++ b/test/sequential/test-vm-timeout-rethrow.js
@@ -1,4 +1,5 @@
 'use strict';
+require('../common');
 var assert = require('assert');
 var vm = require('vm');
 var spawn = require('child_process').spawn;