Migrating majority of gamepad from content/browser/ to device/

device/gamepad/gamepad_provider_unittest.cc

 // Copyright (c) 2012 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/browser/gamepad/gamepad_provider.h"
+#include "device/gamepad/gamepad_provider.h"
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "build/build_config.h"
-#include "content/browser/gamepad/gamepad_data_fetcher.h"
-#include "content/browser/gamepad/gamepad_test_helpers.h"
-#include "content/common/gamepad_hardware_buffer.h"
-#include "content/common/gamepad_messages.h"
+#include "device/gamepad/gamepad_data_fetcher.h"
+#include "device/gamepad/gamepad_test_helpers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace content {
+namespace device {
 
 namespace {
 
 using blink::WebGamepads;
 
 // Helper class to generate and record user gesture callbacks.
 class UserGestureListener {
  public:
-  UserGestureListener()
-      : has_user_gesture_(false),
-        weak_factory_(this) {
-  }
+  UserGestureListener() : has_user_gesture_(false), weak_factory_(this) {}
 
   base::Closure GetClosure() {
     return base::Bind(&UserGestureListener::GotUserGesture,
                       weak_factory_.GetWeakPtr());
   }
 
   bool has_user_gesture() const { return has_user_gesture_; }
 
  private:
-  void GotUserGesture() {
-    has_user_gesture_ = true;
-  }
+  void GotUserGesture() { has_user_gesture_ = true; }
 
   bool has_user_gesture_;
   base::WeakPtrFactory<UserGestureListener> weak_factory_;
 };
 
 // Main test fixture
 class GamepadProviderTest : public testing::Test, public GamepadTestHelper {
  public:
   GamepadProvider* CreateProvider(const WebGamepads& test_data) {
     mock_data_fetcher_ = new MockGamepadDataFetcher(test_data);
     provider_.reset(new GamepadProvider(
-        std::unique_ptr<GamepadDataFetcher>(mock_data_fetcher_)));
+        std::unique_ptr<GamepadSharedBuffer>(new MockGamepadSharedBuffer()),
+        NULL, std::unique_ptr<GamepadDataFetcher>(mock_data_fetcher_)));

[scottmg, 2016/06/23 17:27:19]

nullptr

     return provider_.get();
   }
 
  protected:
-  GamepadProviderTest() {
-  }
+  GamepadProviderTest() {}
 
   std::unique_ptr<GamepadProvider> provider_;
 
   // Pointer owned by the provider.
   MockGamepadDataFetcher* mock_data_fetcher_;
 
   DISALLOW_COPY_AND_ASSIGN(GamepadProviderTest);
 };
 
 // Crashes. http://crbug.com/106163
@@ skipping 20 matching lines @@
 
   message_loop().RunUntilIdle();
 
   mock_data_fetcher_->WaitForDataRead();
 
   // Renderer-side, pull data out of poll buffer.
   base::SharedMemoryHandle handle = provider->GetSharedMemoryHandleForProcess(
       base::GetCurrentProcessHandle());
   std::unique_ptr<base::SharedMemory> shared_memory(
       new base::SharedMemory(handle, true));
-  EXPECT_TRUE(shared_memory->Map(sizeof(GamepadHardwareBuffer)));
+  EXPECT_TRUE(shared_memory->Map(sizeof(WebGamepads)));
   void* mem = shared_memory->memory();
 
-  GamepadHardwareBuffer* hwbuf = static_cast<GamepadHardwareBuffer*>(mem);
-  // See gamepad_hardware_buffer.h for details on the read discipline.
-  WebGamepads output;
+  WebGamepads* output = static_cast<WebGamepads*>(mem);
 
-  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].value);
-  EXPECT_EQ(true, output.items[0].buttons[0].pressed);
-  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]);
+  EXPECT_EQ(1u, output->length);
+  EXPECT_EQ(1u, output->items[0].buttonsLength);
+  EXPECT_EQ(1.f, output->items[0].buttons[0].value);
+  EXPECT_EQ(true, output->items[0].buttons[0].pressed);
+  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]);
 }
 
 // Tests that waiting for a user gesture works properly.
 TEST_F(GamepadProviderTest, UserGesture) {
   WebGamepads no_button_data;
   no_button_data.length = 1;
   no_button_data.items[0].connected = true;
   no_button_data.items[0].timestamp = 0;
   no_button_data.items[0].buttonsLength = 1;
   no_button_data.items[0].axesLength = 2;
@@ skipping 21 matching lines @@
   mock_data_fetcher_->SetTestData(button_down_data);
   mock_data_fetcher_->WaitForDataReadAndCallbacksIssued();
 
   // It should have issued our callback.
   message_loop().RunUntilIdle();
   EXPECT_TRUE(listener.has_user_gesture());
 }
 
 }  // namespace
 
-}  // namespace content
+}  // namespace device