Big patch to implement Chromium-side of Gamepad support

content/browser/gamepad/gamepad_provider_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/memory/scoped_ptr.h"
 #include "base/process_util.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/system_monitor/system_monitor.h"
 #include "content/browser/gamepad/gamepad_provider.h"
 #include "content/common/gamepad_messages.h"
@@ skipping 38 matching lines @@
  protected:
   GamepadProviderTest() {
   }
 
   MessageLoop main_message_loop_;
   scoped_ptr<base::SystemMonitor> system_monitor_;
   MockDataFetcher* mock_data_fetcher_;
   scoped_refptr<GamepadProvider> provider_;
 };
 
-TEST_F(GamepadProviderTest, BasicStartStop) {
-  WebGamepads test_data;
-  memset(&test_data, 0, sizeof(test_data));
-  GamepadProvider* provider = CreateProvider(test_data);
-  provider->Start();
-  provider->Stop();
-  // Just ensure that there's no asserts on startup, shutdown, or destroy.
-}
-
 TEST_F(GamepadProviderTest, PollingAccess) {
   WebGamepads test_data;
   test_data.length = 1;
   test_data.items[0].connected = true;
   test_data.items[0].timestamp = 0;
   test_data.items[0].buttonsLength = 1;
   test_data.items[0].axesLength = 2;
   test_data.items[0].buttons[0] = 1.f;
   test_data.items[0].axes[0] = -1.f;
   test_data.items[0].axes[1] = .5f;
 
   GamepadProvider* provider = CreateProvider(test_data);
-  provider->Start();
 
   main_message_loop_.RunAllPending();
 
   mock_data_fetcher_->WaitForDataRead();
 
   // Renderer-side, pull data out of poll buffer.
   base::SharedMemoryHandle handle =
       provider->GetRendererSharedMemoryHandle(base::GetCurrentProcessHandle());
   scoped_ptr<base::SharedMemory> shared_memory(
       new base::SharedMemory(handle, true));
   EXPECT_TRUE(shared_memory->Map(sizeof(GamepadHardwareBuffer)));
   void* mem = shared_memory->memory();
 
   GamepadHardwareBuffer* hwbuf = static_cast<GamepadHardwareBuffer*>(mem);
   // See gamepad_hardware_buffer.h for details on the read discipline.
   WebGamepads output;
 
   base::subtle::Atomic32 version;
   do {
     version = hwbuf->sequence.ReadBegin();
     memcpy(&output, &hwbuf->buffer, sizeof(output));
   } while (hwbuf->sequence.ReadRetry(version));
 
   EXPECT_EQ(1u, output.length);
   EXPECT_EQ(1u, output.items[0].buttonsLength);
   EXPECT_EQ(1.f, output.items[0].buttons[0]);
   EXPECT_EQ(2u, output.items[0].axesLength);
   EXPECT_EQ(-1.f, output.items[0].axes[0]);
   EXPECT_EQ(0.5f, output.items[0].axes[1]);
-
-  provider->Stop();
 }
 
 }  // namespace
 
 } // namespace content