Adds socket.getInfo to the socket API

chrome/test/data/extensions/api_test/socket/api/background.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // net/tools/testserver/testserver.py is picky about the format of what it
 // calls its "echo" messages. One might go so far as to mutter to oneself that
 // it isn't an echo server at all.
 //
 // The response is based on the request but obfuscated using a random key.
 const request = "0100000005320000005hello";
@@ skipping 85 matching lines @@
 }
 
 function onSetNoDelay(result) {
   if (protocol == "tcp")
     chrome.test.assertTrue(result, "setNoDelay failed for TCP.");
   else
     chrome.test.assertFalse(result, "setNoDelay did not fail for UDP.");
   socket.setKeepAlive(socketId, true, 1000, onSetKeepAlive);
 }
 
+function onGetInfo(result) {
+  chrome.test.assertTrue(!!result.localAddress,
+                         "Bound socket should always have local address");
+  chrome.test.assertTrue(!!result.localPort,
+                         "Bound socket should always have local port");
+  chrome.test.assertEq(result.socketType, protocol, "Unexpected socketType");
+
+  if (protocol == "tcp") {
+    // NOTE: We're always called with 'localhost', but getInfo will only return
+    // IPs, not names.
+    chrome.test.assertEq(result.peerAddress, "127.0.0.1",
+                         "Peer addresss should be the listen server");
+    chrome.test.assertEq(result.peerPort, port,
+                         "Peer port should be the listen server");
+    chrome.test.assertTrue(result.connected, "Socket should be connected");
+  } else {
+    chrome.test.assertFalse(result.connected, "UDP socket was not connected");
+    chrome.test.assertTrue(!result.peerAddress,
+        "Unconnected UDP socket should not have peer address");
+    chrome.test.assertTrue(!result.peerPort,
+        "Unconnected UDP socket should not have peer port");
+  }
+
+  socket.setNoDelay(socketId, true, onSetNoDelay);
+}
+
 function onConnectOrBindComplete(result) {
   chrome.test.assertEq(0, result,
                        "Connect or bind failed with error " + result);
   if (result == 0) {
-    socket.setNoDelay(socketId, true, onSetNoDelay);
+    socket.getInfo(socketId, onGetInfo);
   }
 }
 
 function onCreate(socketInfo) {
   socketId = socketInfo.socketId;
   chrome.test.assertTrue(socketId > 0, "failed to create socket");
   if (protocol == "tcp")
     socket.connect(socketId, address, port, onConnectOrBindComplete);
   else
     socket.bind(socketId, "0.0.0.0", 0, onConnectOrBindComplete);
@@ skipping 24 matching lines @@
   address = parts[1];
   port = parseInt(parts[2]);
   console.log("Running tests, protocol " + protocol + ", echo server " +
               address + ":" + port);
   chrome.test.runTests([ testSocketCreation, testSending ]);
 };
 
 // Find out which protocol we're supposed to test, and which echo server we
 // should be using, then kick off the tests.
 chrome.test.sendMessage("info_please", onMessageReply);