Collect stats to investigate the viability of UDP

chrome/browser/net/network_stats_unittest.cc

+// Copyright (c) 2011 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.
+
+#include "base/basictypes.h"
+#include "base/message_loop.h"
+#include "chrome/browser/net/network_stats.h"
+#include "net/base/test_completion_callback.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
+
+namespace chrome_browser_net {
+
+class NetworkStatsTest : public PlatformTest {
+ public:
+  NetworkStatsTest() {}
+ protected:
+  virtual void TearDown() {
+    // Flush the message loop to make Purify happy.
+    message_loop_.RunAllPending();
+  }
+  MessageLoopForIO message_loop_;
+};
+
+void RunUDPEchoTest(int bytes) {
+  TestCompletionCallback cb;
+
+  UDPStatsClient* udp_stats_client = new UDPStatsClient();
+  EXPECT_TRUE(udp_stats_client->Start("127.0.0.1", 90, bytes, &cb));
+
+  int rv = cb.WaitForResult();
+  EXPECT_EQ(0, rv);
+  EXPECT_EQ(0, udp_stats_client->error_count());
+}
+
+void RunTCPEchoTest(int bytes) {
+  TestCompletionCallback cb;
+
+  TCPStatsClient* tcp_stats_client = new TCPStatsClient();
+  net::HostPortPair server_address("127.0.0.1", 80);
+  EXPECT_TRUE(tcp_stats_client->Start(server_address, bytes, &cb));
+
+  int rv = cb.WaitForResult();
+  EXPECT_EQ(0, rv);
+  EXPECT_EQ(0, tcp_stats_client->error_count());
+}
+
+TEST_F(NetworkStatsTest, UDPEcho_50B_Of_Data) {
+  // TODO(raman): Enable the test once UDP echo server is deployed.
+  // RunUDPEchoTest(5);

[Mike Belshe, 2011/05/27 21:27:00]

Can't the test work now since you're using loopback?

Nevermind - I get it.  I guess the test is self-reporting to the server.   But
for testing, you should be able to set a flag which says "don't report results"
or somehow Mocks that...

[ramant (doing other things), 2011/05/31 21:25:36]

Done.

+}
+
+TEST_F(NetworkStatsTest, TCPEcho_50B_Of_Data) {
+  // TODO(raman): Enable the test once TCP echo server is deployed.
+  // RunTCPEchoTest(5);

[Mike Belshe, 2011/05/27 21:27:00]

BTW - I'd like to see tests which send more than just 5 bytes.

Maybe do a 1K test too?

[ramant (doing other things), 2011/05/31 21:25:36]

Done.

+}
+
+}  // namespace chrome_browser_net