net: socket.readyState corrections

socket.readyState, .readable, and .writable behavior changed as
a result of the new streaming interfaces. Updated to be backwards
compatible with current API and adds regression test.

closes #4461

lib/net.js

@@ -136,13 +136,13 @@ function Socket(options) {
       break;
   }
 
+  stream.Duplex.call(this, options);
   this.readable = this.writable = false;
+
   if (options.handle) {
     this._handle = options.handle; // private
   } else if (typeof options.fd === 'undefined') {
     this._handle = options && options.handle; // private
-    this.readable = options.readable !== false;
-    this.writable = options.writable !== false;
   } else {
     this._handle = createPipe();
     this._handle.open(options.fd);
@@ -160,8 +160,6 @@ function Socket(options) {
 
   this._pendingWrite = null;
 
-  stream.Duplex.call(this, options);
-
   // handle strings directly
   this._writableState.decodeStrings = false;
 

test/simple/net-socket-readystate.js

@@ -0,0 +1,51 @@
+// 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.
+
+var common = require('../common');
+var net = require('net');
+var assert = require('assert');
+
+var sock = new net.Socket();
+
+var server = net.createServer().listen(common.PORT, function() {
+  assert(!sock.readable);
+  assert(!sock.writable);
+  assert.equal(sock.readyState, 'closed');
+
+  sock.connect(common.PORT, function() {
+    assert.equal(sock.readable, true);
+    assert.equal(sock.writable, true);
+    assert.equal(sock.readyState, 'open');
+
+    sock.end();
+    assert(!sock.writable);
+    assert.equal(sock.readyState, 'readOnly');
+
+    server.close();
+    sock.on('close', function() {
+      assert(!sock.readable);
+      assert(!sock.writable);
+      assert.equal(sock.readyState, 'closed');
+    });
+  });
+
+  assert.equal(sock.readyState, 'opening');
+});