Mojo: Armed Watchers

mojo/edk/system/data_pipe_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 <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/bind.h"
@@ skipping 1914 matching lines @@
   {
     base::RunLoop run_loop;
     int count = 0;
     auto callback = base::Bind(
         [] (base::RunLoop* loop, int* count, MojoResult result) {
           EXPECT_EQ(MOJO_RESULT_OK, result);
           if (++*count == 2)
             loop->Quit();
         },
         &run_loop, &count);
-    Watcher producer_watcher(FROM_HERE), consumer_watcher(FROM_HERE);
+    Watcher producer_watcher(FROM_HERE, Watcher::ArmingPolicy::AUTOMATIC);
+    Watcher consumer_watcher(FROM_HERE, Watcher::ArmingPolicy::AUTOMATIC);
     producer_watcher.Start(
         Handle(producers[1]), MOJO_HANDLE_SIGNAL_PEER_CLOSED, callback);
     consumer_watcher.Start(
         Handle(consumers[1]), MOJO_HANDLE_SIGNAL_PEER_CLOSED, callback);
     run_loop.Run();
+    EXPECT_EQ(2, count);
   }
 
   // Wait on producer 2 by polling with MojoWriteData.
   MojoResult result;
   do {
     uint32_t num_bytes = 0;
     result = MojoWriteData(
         producers[2], nullptr, &num_bytes, MOJO_WRITE_DATA_FLAG_NONE);
   } while (result == MOJO_RESULT_OK);
   EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, result);
@@ skipping 30 matching lines @@
     for (size_t i = 3; i < 6; ++i)
       CloseHandle(producers[i]);
   END_CHILD()
 }
 
 #endif  // !defined(OS_IOS)
 
 }  // namespace
 }  // namespace edk
 }  // namespace mojo