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

content/browser/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 <memory>
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/run_loop.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 "testing/gtest/include/gtest/gtest.h"
-
-namespace content {
-
-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) {
-    mock_data_fetcher_ = new MockGamepadDataFetcher(test_data);
-    provider_.reset(new GamepadProvider(
-        std::unique_ptr<GamepadDataFetcher>(mock_data_fetcher_)));
-    return provider_.get();
-  }
-
- protected:
-  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
-// crbug.com/147549
-#if defined(OS_ANDROID)
-#define MAYBE_PollingAccess DISABLED_PollingAccess
-#else
-#define MAYBE_PollingAccess PollingAccess
-#endif
-TEST_F(GamepadProviderTest, MAYBE_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].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->Resume();
-
-  base::RunLoop().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)));
-  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].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;
-  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;
-  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->Resume();
-
-  provider->RegisterForUserGesture(listener.GetClosure());
-  mock_data_fetcher_->WaitForDataReadAndCallbacksIssued();
-
-  // It should not have issued our callback.
-  base::RunLoop().RunUntilIdle();
-  EXPECT_FALSE(listener.has_user_gesture());
-
-  // Set a button down and wait for it to be read twice.
-  mock_data_fetcher_->SetTestData(button_down_data);
-  mock_data_fetcher_->WaitForDataReadAndCallbacksIssued();
-
-  // It should have issued our callback.
-  base::RunLoop().RunUntilIdle();
-  EXPECT_TRUE(listener.has_user_gesture());
-}
-
-}  // namespace
-
-}  // namespace content