Move chromeos/display/* to ui/display/chromeos

chromeos/display/native_display_event_dispatcher_x11_unittest.cc

-// Copyright 2014 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 <X11/extensions/Xrandr.h>
-
-#undef Bool
-#undef None
-
-#include "chromeos/display/native_display_delegate_x11.h"
-#include "chromeos/display/native_display_event_dispatcher_x11.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace chromeos {
-
-namespace {
-
-OutputConfigurator::OutputSnapshot CreateOutput(
-    RROutput output, RRCrtc crtc, RRMode mode) {
-  OutputConfigurator::OutputSnapshot snapshot;
-  snapshot.output = output;
-  snapshot.crtc = crtc;
-  snapshot.current_mode = mode;
-
-  return snapshot;
-}
-
-class TestHelperDelegate : public NativeDisplayDelegateX11::HelperDelegate {
- public:
-  TestHelperDelegate();
-  virtual ~TestHelperDelegate();
-
-  int num_calls_update_xrandr_config() const {
-    return num_calls_update_xrandr_config_;
-  }
-
-  int num_calls_notify_observers() const {
-    return num_calls_notify_observers_;
-  }
-
-  void set_cached_outputs(
-      const std::vector<OutputConfigurator::OutputSnapshot>& outputs) {
-    cached_outputs_ = outputs;
-  }
-
-  // NativeDisplayDelegateX11::HelperDelegate overrides:
-  virtual void UpdateXRandRConfiguration(
-      const base::NativeEvent& event) OVERRIDE;
-  virtual const std::vector<OutputConfigurator::OutputSnapshot>&
-      GetCachedOutputs() const OVERRIDE;
-  virtual void NotifyDisplayObservers() OVERRIDE;
-
- private:
-  int num_calls_update_xrandr_config_;
-  int num_calls_notify_observers_;
-
-  std::vector<OutputConfigurator::OutputSnapshot> cached_outputs_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestHelperDelegate);
-};
-
-TestHelperDelegate::TestHelperDelegate()
-    : num_calls_update_xrandr_config_(0),
-      num_calls_notify_observers_(0) {}
-
-TestHelperDelegate::~TestHelperDelegate() {}
-
-void TestHelperDelegate::UpdateXRandRConfiguration(
-    const base::NativeEvent& event) {
-  ++num_calls_update_xrandr_config_;
-}
-
-const std::vector<OutputConfigurator::OutputSnapshot>&
-TestHelperDelegate::GetCachedOutputs() const {
-  return cached_outputs_;
-}
-
-void TestHelperDelegate::NotifyDisplayObservers() {
-  ++num_calls_notify_observers_;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeDisplayEventDispatcherX11Test
-
-class NativeDisplayEventDispatcherX11Test : public testing::Test {
- public:
-  NativeDisplayEventDispatcherX11Test();
-  virtual ~NativeDisplayEventDispatcherX11Test();
-
- protected:
-  void DispatchScreenChangeEvent();
-  void DispatchOutputChangeEvent(
-      RROutput output, RRCrtc crtc, RRMode mode, bool connected);
-
-  int xrandr_event_base_;
-  scoped_ptr<TestHelperDelegate> helper_delegate_;
-  scoped_ptr<NativeDisplayEventDispatcherX11> dispatcher_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(NativeDisplayEventDispatcherX11Test);
-};
-
-NativeDisplayEventDispatcherX11Test::NativeDisplayEventDispatcherX11Test()
-    : xrandr_event_base_(10),
-      helper_delegate_(new TestHelperDelegate()),
-      dispatcher_(new NativeDisplayEventDispatcherX11(helper_delegate_.get(),
-                                                      xrandr_event_base_)) {
-}
-
-NativeDisplayEventDispatcherX11Test::~NativeDisplayEventDispatcherX11Test() {}
-
-void NativeDisplayEventDispatcherX11Test::DispatchScreenChangeEvent() {
-  XRRScreenChangeNotifyEvent event = {0};
-  event.type = xrandr_event_base_ + RRScreenChangeNotify;
-
-  dispatcher_->Dispatch(reinterpret_cast<const base::NativeEvent>(&event));
-}
-
-void NativeDisplayEventDispatcherX11Test::DispatchOutputChangeEvent(
-    RROutput output, RRCrtc crtc, RRMode mode, bool connected) {
-  XRROutputChangeNotifyEvent event = {0};
-  event.type = xrandr_event_base_ + RRNotify;
-  event.subtype = RRNotify_OutputChange;
-  event.output = output;
-  event.crtc = crtc;
-  event.mode = mode;
-  event.connection = connected ? RR_Connected : RR_Disconnected;
-
-  dispatcher_->Dispatch(reinterpret_cast<const base::NativeEvent>(&event));
-}
-
-}  // namespace
-
-TEST_F(NativeDisplayEventDispatcherX11Test, OnScreenChangedEvent) {
-  DispatchScreenChangeEvent();
-  EXPECT_EQ(1, helper_delegate_->num_calls_update_xrandr_config());
-  EXPECT_EQ(0, helper_delegate_->num_calls_notify_observers());
-}
-
-TEST_F(NativeDisplayEventDispatcherX11Test, CheckNotificationOnFirstEvent) {
-  DispatchOutputChangeEvent(1, 10, 20, true);
-  EXPECT_EQ(0, helper_delegate_->num_calls_update_xrandr_config());
-  EXPECT_EQ(1, helper_delegate_->num_calls_notify_observers());
-}
-
-TEST_F(NativeDisplayEventDispatcherX11Test, CheckNotificationAfterSecondEvent) {
-  DispatchOutputChangeEvent(1, 10, 20, true);
-
-  // Simulate addition of the first output to the cached output list.
-  std::vector<OutputConfigurator::OutputSnapshot> outputs;
-  outputs.push_back(CreateOutput(1, 10, 20));
-  helper_delegate_->set_cached_outputs(outputs);
-
-  DispatchOutputChangeEvent(2, 11, 20, true);
-  EXPECT_EQ(2, helper_delegate_->num_calls_notify_observers());
-}
-
-TEST_F(NativeDisplayEventDispatcherX11Test, AvoidNotificationOnDuplicateEvent) {
-  std::vector<OutputConfigurator::OutputSnapshot> outputs;
-  outputs.push_back(CreateOutput(1, 10, 20));
-  helper_delegate_->set_cached_outputs(outputs);
-
-  DispatchOutputChangeEvent(1, 10, 20, true);
-  EXPECT_EQ(0, helper_delegate_->num_calls_notify_observers());
-}
-
-TEST_F(NativeDisplayEventDispatcherX11Test, CheckNotificationOnDisconnect) {
-  std::vector<OutputConfigurator::OutputSnapshot> outputs;
-  outputs.push_back(CreateOutput(1, 10, 20));
-  helper_delegate_->set_cached_outputs(outputs);
-
-  DispatchOutputChangeEvent(1, 10, 20, false);
-  EXPECT_EQ(1, helper_delegate_->num_calls_notify_observers());
-}
-
-TEST_F(NativeDisplayEventDispatcherX11Test, CheckNotificationOnModeChange) {
-  std::vector<OutputConfigurator::OutputSnapshot> outputs;
-  outputs.push_back(CreateOutput(1, 10, 20));
-  helper_delegate_->set_cached_outputs(outputs);
-
-  DispatchOutputChangeEvent(1, 10, 21, true);
-  EXPECT_EQ(1, helper_delegate_->num_calls_notify_observers());
-}
-
-TEST_F(NativeDisplayEventDispatcherX11Test, CheckNotificationOnSecondOutput) {
-  std::vector<OutputConfigurator::OutputSnapshot> outputs;
-  outputs.push_back(CreateOutput(1, 10, 20));
-  helper_delegate_->set_cached_outputs(outputs);
-
-  DispatchOutputChangeEvent(2, 11, 20, true);
-  EXPECT_EQ(1, helper_delegate_->num_calls_notify_observers());
-}
-
-TEST_F(NativeDisplayEventDispatcherX11Test, CheckNotificationOnDifferentCrtc) {
-  std::vector<OutputConfigurator::OutputSnapshot> outputs;
-  outputs.push_back(CreateOutput(1, 10, 20));
-  helper_delegate_->set_cached_outputs(outputs);
-
-  DispatchOutputChangeEvent(1, 11, 20, true);
-  EXPECT_EQ(1, helper_delegate_->num_calls_notify_observers());
-}
-
-TEST_F(NativeDisplayEventDispatcherX11Test,
-       CheckNotificationOnSecondOutputDisconnect) {
-  std::vector<OutputConfigurator::OutputSnapshot> outputs;
-  outputs.push_back(CreateOutput(1, 10, 20));
-  outputs.push_back(CreateOutput(2, 11, 20));
-  helper_delegate_->set_cached_outputs(outputs);
-
-  DispatchOutputChangeEvent(2, 11, 20, false);
-  EXPECT_EQ(1, helper_delegate_->num_calls_notify_observers());
-}
-
-TEST_F(NativeDisplayEventDispatcherX11Test,
-       AvoidDuplicateNotificationOnSecondOutputDisconnect) {
-  std::vector<OutputConfigurator::OutputSnapshot> outputs;
-  outputs.push_back(CreateOutput(1, 10, 20));
-  outputs.push_back(CreateOutput(2, 11, 20));
-  helper_delegate_->set_cached_outputs(outputs);
-
-  DispatchOutputChangeEvent(2, 11, 20, false);
-  EXPECT_EQ(1, helper_delegate_->num_calls_notify_observers());
-
-  // Simulate removal of second output from cached output list.
-  outputs.erase(outputs.begin() + 1);
-  helper_delegate_->set_cached_outputs(outputs);
-
-  DispatchOutputChangeEvent(2, 11, 20, false);
-  EXPECT_EQ(1, helper_delegate_->num_calls_notify_observers());
-}
-
-}  // namespace chromeos