[Device Service] Move Gamepad Blink headers to be part of the Gamepad client library

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 "device/gamepad/gamepad_provider.h"
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/run_loop.h"
 #include "base/threading/platform_thread.h"
 #include "build/build_config.h"
 #include "device/gamepad/gamepad_data_fetcher.h"
 #include "device/gamepad/gamepad_test_helpers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 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) {}
 
   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; }
 
   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) {
+  GamepadProvider* CreateProvider(const Gamepads& test_data) {
     mock_data_fetcher_ = new MockGamepadDataFetcher(test_data);
     provider_.reset(new GamepadProvider(
         nullptr, std::unique_ptr<GamepadDataFetcher>(mock_data_fetcher_)));
     return provider_.get();
   }
 
   // Sleep until the shared memory buffer's seqlock advances the buffer version,
   // indicating that the gamepad provider has written to it after polling the
   // gamepad fetchers. The buffer will report an odd value for the version if
   // the buffer is not in a consistent state, so we also require that the value
   // is even before continuing.
   void WaitForData(GamepadHardwareBuffer* buffer) {
     const base::subtle::Atomic32 initial_version = buffer->seqlock.ReadBegin();
     base::subtle::Atomic32 current_version;
     do {
       base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(10));
       current_version = buffer->seqlock.ReadBegin();
     } while (current_version % 2 || current_version == initial_version);
   }
 
   // The provider polls the data on the background thread and then issues
   // the callback on the client thread. Waiting for it to poll twice ensures
   // that it was able to issue callbacks for the first poll.
   void WaitForDataAndCallbacksIssued(GamepadHardwareBuffer* buffer) {
     WaitForData(buffer);
     WaitForData(buffer);
   }
 
   void ReadGamepadHardwareBuffer(GamepadHardwareBuffer* buffer,
-                                 WebGamepads* output) {
-    memset(output, 0, sizeof(WebGamepads));
+                                 Gamepads* output) {
+    memset(output, 0, sizeof(Gamepads));
     base::subtle::Atomic32 version;
     do {
       version = buffer->seqlock.ReadBegin();
-      memcpy(output, &buffer->data, sizeof(WebGamepads));
+      memcpy(output, &buffer->data, sizeof(Gamepads));
     } while (buffer->seqlock.ReadRetry(version));
   }
 
  protected:
   GamepadProviderTest() {}
 
   std::unique_ptr<GamepadProvider> provider_;
 
   // Pointer owned by the provider.
   MockGamepadDataFetcher* mock_data_fetcher_;
 
   DISALLOW_COPY_AND_ASSIGN(GamepadProviderTest);
 };
 
 TEST_F(GamepadProviderTest, PollingAccess) {
-  WebGamepads test_data;
-  memset(&test_data, 0, sizeof(WebGamepads));
+  Gamepads test_data;
+  memset(&test_data, 0, sizeof(Gamepads));
   test_data.items[0].connected = true;
   test_data.items[0].timestamp = 0;
   test_data.items[0].buttons_length = 1;
   test_data.items[0].axes_length = 2;
   test_data.items[0].buttons[0].value = 1.f;
   test_data.items[0].buttons[0].pressed = true;
   test_data.items[0].axes[0] = -1.f;
   test_data.items[0].axes[1] = .5f;
 
   GamepadProvider* provider = CreateProvider(test_data);
   provider->SetSanitizationEnabled(false);
   provider->Resume();
 
   base::RunLoop().RunUntilIdle();
 
   // 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)));
 
   GamepadHardwareBuffer* buffer =
       static_cast<GamepadHardwareBuffer*>(shared_memory->memory());
 
   // Wait until the shared memory buffer has been written at least once.
   WaitForData(buffer);
 
-  WebGamepads output;
+  Gamepads output;
   ReadGamepadHardwareBuffer(buffer, &output);
 
   EXPECT_EQ(1u, output.items[0].buttons_length);
   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].axes_length);
   EXPECT_EQ(-1.f, output.items[0].axes[0]);
   EXPECT_EQ(0.5f, output.items[0].axes[1]);
 }
 
 TEST_F(GamepadProviderTest, ConnectDisconnectMultiple) {
-  WebGamepads test_data;
+  Gamepads test_data;
   test_data.items[0].connected = true;
   test_data.items[0].timestamp = 0;
   test_data.items[0].axes_length = 2;
   test_data.items[0].axes[0] = -1.f;
   test_data.items[0].axes[1] = .5f;
 
   test_data.items[1].connected = true;
   test_data.items[1].timestamp = 0;
   test_data.items[1].axes_length = 2;
   test_data.items[1].axes[0] = 1.f;
   test_data.items[1].axes[1] = -.5f;
 
-  WebGamepads test_data_onedisconnected;
+  Gamepads test_data_onedisconnected;
   test_data_onedisconnected.items[1].connected = true;
   test_data_onedisconnected.items[1].timestamp = 0;
   test_data_onedisconnected.items[1].axes_length = 2;
   test_data_onedisconnected.items[1].axes[0] = 1.f;
   test_data_onedisconnected.items[1].axes[1] = -.5f;
 
   GamepadProvider* provider = CreateProvider(test_data);
   provider->SetSanitizationEnabled(false);
   provider->Resume();
 
   base::RunLoop().RunUntilIdle();
 
   // 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)));
 
   GamepadHardwareBuffer* buffer =
       static_cast<GamepadHardwareBuffer*>(shared_memory->memory());
 
   // Wait until the shared memory buffer has been written at least once.
   WaitForData(buffer);
 
-  WebGamepads output;
+  Gamepads output;
   ReadGamepadHardwareBuffer(buffer, &output);
 
   EXPECT_EQ(2u, output.items[0].axes_length);
   EXPECT_EQ(-1.f, output.items[0].axes[0]);
   EXPECT_EQ(0.5f, output.items[0].axes[1]);
   EXPECT_EQ(2u, output.items[1].axes_length);
   EXPECT_EQ(1.f, output.items[1].axes[0]);
   EXPECT_EQ(-0.5f, output.items[1].axes[1]);
 
   mock_data_fetcher_->SetTestData(test_data_onedisconnected);
 
   WaitForDataAndCallbacksIssued(buffer);
 
   ReadGamepadHardwareBuffer(buffer, &output);
 
   EXPECT_EQ(0u, output.items[0].axes_length);
   EXPECT_EQ(2u, output.items[1].axes_length);
   EXPECT_EQ(1.f, output.items[1].axes[0]);
   EXPECT_EQ(-0.5f, output.items[1].axes[1]);
 }
 
 // Tests that waiting for a user gesture works properly.
 TEST_F(GamepadProviderTest, UserGesture) {
-  WebGamepads no_button_data;
+  Gamepads no_button_data;
   no_button_data.items[0].connected = true;
   no_button_data.items[0].timestamp = 0;
   no_button_data.items[0].buttons_length = 1;
   no_button_data.items[0].axes_length = 2;
   no_button_data.items[0].buttons[0].value = 0.f;
   no_button_data.items[0].buttons[0].pressed = false;
   no_button_data.items[0].axes[0] = 0.f;
   no_button_data.items[0].axes[1] = .4f;
 
-  WebGamepads button_down_data = no_button_data;
+  Gamepads button_down_data = no_button_data;
   button_down_data.items[0].buttons[0].value = 1.f;
   button_down_data.items[0].buttons[0].pressed = true;
 
   UserGestureListener listener;
   GamepadProvider* provider = CreateProvider(no_button_data);
   provider->SetSanitizationEnabled(false);
   provider->Resume();
 
   provider->RegisterForUserGesture(listener.GetClosure());
 
@@ skipping 22 matching lines @@
   // been updated. Wait for the second update to ensure callbacks have fired.
   WaitForDataAndCallbacksIssued(buffer);
 
   // It should have issued our callback.
   base::RunLoop().RunUntilIdle();
   EXPECT_TRUE(listener.has_user_gesture());
 }
 
 // Tests that waiting for a user gesture works properly.
 TEST_F(GamepadProviderTest, Sanitization) {
-  WebGamepads active_data;
+  Gamepads active_data;
   active_data.items[0].connected = true;
   active_data.items[0].timestamp = 0;
   active_data.items[0].buttons_length = 1;
   active_data.items[0].axes_length = 1;
   active_data.items[0].buttons[0].value = 1.f;
   active_data.items[0].buttons[0].pressed = true;
   active_data.items[0].axes[0] = -1.f;
 
-  WebGamepads zero_data;
+  Gamepads zero_data;
   zero_data.items[0].connected = true;
   zero_data.items[0].timestamp = 0;
   zero_data.items[0].buttons_length = 1;
   zero_data.items[0].axes_length = 1;
   zero_data.items[0].buttons[0].value = 0.f;
   zero_data.items[0].buttons[0].pressed = false;
   zero_data.items[0].axes[0] = 0.f;
 
   UserGestureListener listener;
   GamepadProvider* provider = CreateProvider(active_data);
   provider->SetSanitizationEnabled(true);
   provider->Resume();
 
   base::RunLoop().RunUntilIdle();
 
   // 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)));
 
   GamepadHardwareBuffer* buffer =
       static_cast<GamepadHardwareBuffer*>(shared_memory->memory());
 
   // Wait until the shared memory buffer has been written at least once.
   WaitForData(buffer);
 
-  WebGamepads output;
+  Gamepads output;
   ReadGamepadHardwareBuffer(buffer, &output);
 
   // Initial data should all be zeroed out due to sanitization, even though the
   // gamepad reported input
   EXPECT_EQ(1u, output.items[0].buttons_length);
   EXPECT_EQ(0.f, output.items[0].buttons[0].value);
   EXPECT_FALSE(output.items[0].buttons[0].pressed);
   EXPECT_EQ(1u, output.items[0].axes_length);
   EXPECT_EQ(0.f, output.items[0].axes[0]);
 
@@ skipping 24 matching lines @@
   EXPECT_EQ(1u, output.items[0].buttons_length);
   EXPECT_EQ(1.f, output.items[0].buttons[0].value);
   EXPECT_TRUE(output.items[0].buttons[0].pressed);
   EXPECT_EQ(1u, output.items[0].axes_length);
   EXPECT_EQ(-1.f, output.items[0].axes[0]);
 }
 
 }  // namespace
 
 }  // namespace device