Gather trace data by waiting on handles with a fixed timeout

mojo/public/cpp/bindings/tests/router_unittest.cc

 // Copyright 2014 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 <stdlib.h>
 #include <string.h>
 
 #include "mojo/public/cpp/bindings/lib/message_builder.h"
 #include "mojo/public/cpp/bindings/lib/message_queue.h"
 #include "mojo/public/cpp/bindings/lib/router.h"
@@ skipping 177 matching lines @@
 
   ResponseGenerator generator;
   router1.set_incoming_receiver(&generator);
 
   Message request;
   AllocRequestMessage(1, "hello", &request);
 
   internal::MessageQueue message_queue;
   router0.AcceptWithResponder(&request, new MessageAccumulator(&message_queue));
 
-  router1.WaitForIncomingMessage();
-  router0.WaitForIncomingMessage();
+  router1.WaitForIncomingMessage(MOJO_DEADLINE_INDEFINITE);
+  router0.WaitForIncomingMessage(MOJO_DEADLINE_INDEFINITE);
 
   EXPECT_FALSE(message_queue.IsEmpty());
 
   Message response;
   message_queue.Pop(&response);
 
   EXPECT_EQ(std::string("hello world!"),
             std::string(reinterpret_cast<const char*>(response.payload())));
 
   // Send a second message on the pipe.
   Message request2;
   AllocRequestMessage(1, "hello again", &request2);
 
   router0.AcceptWithResponder(&request2,
                               new MessageAccumulator(&message_queue));
 
-  router1.WaitForIncomingMessage();
-  router0.WaitForIncomingMessage();
+  router1.WaitForIncomingMessage(MOJO_DEADLINE_INDEFINITE);
+  router0.WaitForIncomingMessage(MOJO_DEADLINE_INDEFINITE);
 
   EXPECT_FALSE(message_queue.IsEmpty());
 
   message_queue.Pop(&response);
 
   EXPECT_EQ(std::string("hello again world!"),
             std::string(reinterpret_cast<const char*>(response.payload())));
 }
 
 TEST_F(RouterTest, RequestWithNoReceiver) {
@@ skipping 135 matching lines @@
     EXPECT_TRUE(generator.has_responder());
   }
 
   EXPECT_FALSE(generator.responder_is_valid());
   generator.CompleteWithResponse();  // This should end up doing nothing.
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace mojo