test: test long process name support

On platforms that support it: linux, freebsd, darwin

test/simple/test-setproctitle.js

@@ -0,0 +1,44 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// Original test written by Jakub Lekstan <kuebzky@gmail.com>
+
+// FIXME add sunos support
+if ('linux darwin freebsd'.indexOf(process.platform) === -1) {
+  console.error("Skipping test, platform not supported.");
+  process.exit();
+}
+
+var assert = require('assert');
+var exec = require('child_process').exec;
+
+var title = "testTestTESTtest123123123123123123HiHaiJo";
+
+assert.notEqual(process.title, title);
+process.title = title;
+assert.equal(process.title, title);
+
+exec('ps -p ' + process.pid + ' -o args=', function(error, stdout, stderr) {
+  assert.equal(error, null);
+  assert.equal(stderr, '');
+  // omitting trailing \n
+  assert.equal(stdout.substring(0, stdout.length - 1), title);
+});