Create an experiment to study whether too many bindings cause NAT failure

content/renderer/media/webrtc/stun_field_trial_unittest.cc

 // Copyright 2015 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 "content/renderer/media/webrtc/stun_field_trial.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/webrtc/base/socketaddress.h"
 
 namespace content {
 
 TEST(StunProbeTrial, VerifyParameterParsing) {
-  std::vector<rtc::SocketAddress> servers;
-  int requests_per_ip;
-  int interval_ms;
-  int shared_socket_mode;
-  std::string params;
+  StunProberTrial::Param params;
+  std::string param_line;
 
-  params = "20/500/1/server:3478/server2:3478";
-  EXPECT_TRUE(ParseStunProbeParameters(params, &requests_per_ip, &interval_ms,
-                                       &shared_socket_mode, &servers));
-  EXPECT_EQ(requests_per_ip, 20);
-  EXPECT_EQ(interval_ms, 100);
-  EXPECT_EQ(shared_socket_mode, 1);
-  EXPECT_EQ(servers.size(), 2u);
-  EXPECT_EQ(servers[0], rtc::SocketAddress("server", 3478));
-  EXPECT_EQ(servers[1], rtc::SocketAddress("server2", 3478));
-  servers.clear();
+  param_line = "20/500/1/3/3/server:3478/server2:3478";
+  EXPECT_TRUE(StunProberTrial::ParseParameters(param_line, &params));
+  EXPECT_EQ(params.requests_per_ip, 20);
+  EXPECT_EQ(params.interval_ms, 100);
+  EXPECT_EQ(params.shared_socket_mode, 1);
+  EXPECT_EQ(params.servers.size(), 2u);
+  EXPECT_EQ(params.servers[0], rtc::SocketAddress("server", 3478));
+  EXPECT_EQ(params.servers[1], rtc::SocketAddress("server2", 3478));
+  EXPECT_EQ(params.batch_size, 3);
+  EXPECT_EQ(params.total_batches, 3);
+  params.servers.clear();
 
-  params = "///server:3478";
-  EXPECT_TRUE(ParseStunProbeParameters(params, &requests_per_ip, &interval_ms,
-                                       &shared_socket_mode, &servers));
-  EXPECT_EQ(requests_per_ip, 10);
-  EXPECT_EQ(servers.size(), 1u);
-  EXPECT_EQ(servers[0], rtc::SocketAddress("server", 3478));
-  servers.clear();
+  param_line = "/////server:3478";
+  EXPECT_TRUE(StunProberTrial::ParseParameters(param_line, &params));
+  EXPECT_EQ(params.requests_per_ip, 10);
+  EXPECT_EQ(params.servers.size(), 1u);
+  EXPECT_EQ(params.servers[0], rtc::SocketAddress("server", 3478));
+  params.servers.clear();
 
-  params = "////";
-  EXPECT_FALSE(ParseStunProbeParameters(params, &requests_per_ip, &interval_ms,
-                                        &shared_socket_mode, &servers));
+  // Make sure there is no crash. Parsing will fail as there is no server
+  // specified.
+  param_line = "/////";
+  EXPECT_FALSE(StunProberTrial::ParseParameters(param_line, &params));
 }
 
 }  // namespace content