Fix test-http-conn-reset.js on OSX

lib/http.js

@@ -1071,6 +1071,14 @@ ClientRequest.prototype.abort = function() {
   }
 };
 
+
+function createHangUpError() {
+  var error = new Error('socket hang up');
+  error.code = 'ECONNRESET';
+  return error;
+}
+
+
 ClientRequest.prototype.onSocket = function(socket) {
   var req = this;
   process.nextTick(function () {
@@ -1128,7 +1136,7 @@ ClientRequest.prototype.onSocket = function(socket) {
       if (!req.res) {
         // If we don't have a response then we know that the socket
         // ended prematurely and we need to emit an error on the request.
-        req.emit('error', new Error("Request ended prematurely."));
+        req.emit('error', createHangUpError());
         req._hadError = true;
       }
       parser.finish();
@@ -1148,9 +1156,7 @@ ClientRequest.prototype.onSocket = function(socket) {
         // This socket error fired before we started to
         // receive a response. The error needs to
         // fire on the request.
-        var error = new Error('socket hang up');
-        error.code = 'ECONNRESET';
-        req.emit('error', error);
+        req.emit('error', createHangUpError());
       }
     }
     socket.on('close', closeListener);

test/simple/test-http-conn-reset.js

@@ -44,8 +44,8 @@ function onListen() {
     assert.ok(false, 'this should never run');
   });
   req.on('error', function(err) {
-    assert.equal(err.message, 'socket hang up');
     assert.equal(err.code, 'ECONNRESET');
+    assert.equal(err.message, 'socket hang up');
     caughtError = true;
   });
   req.end();