Merge "Add Support for Virtual High Refresh Rate mode"

tests/robotests/src/com/android/settings/development/HighFrequencyPreferenceControllerTest.java

@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.development;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.os.IBinder;
+import android.os.RemoteException;
+
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.ShadowParcel;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class HighFrequencyPreferenceControllerTest {
+
+    private Context mContext;
+    private SwitchPreference mPreference;
+
+    @Mock
+    private PreferenceScreen mScreen;
+    @Mock
+    private IBinder mSurfaceFlingerBinder;
+
+    private HighFrequencyDisplayPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        mPreference = new SwitchPreference(mContext);
+        mController = spy(new HighFrequencyDisplayPreferenceController(mContext));
+        ReflectionHelpers.setField(mController, "mSurfaceFlingerBinder", mSurfaceFlingerBinder);
+        when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
+        mController.displayPreference(mScreen);
+    }
+
+    @Test
+    public void onPreferenceChange_settingToggledOn_shouldWriteTrueToHighFrequencySetting() {
+        mController.onPreferenceChange(mPreference, true /* new value */);
+
+        verify(mController).writeHighFrequencyDisplaySetting(true);
+    }
+
+    @Test
+    public void onPreferenceChange_settingToggledOff_shouldWriteFalseToHighFrequencySetting() {
+        mController.onPreferenceChange(mPreference, false /* new value */);
+
+        verify(mController).writeHighFrequencyDisplaySetting(false);
+    }
+
+    @Test
+    public void updateState_settingEnabled_shouldCheckPreference() throws RemoteException {
+        mController.writeHighFrequencyDisplaySetting(true);
+        mController.updateState(mPreference);
+
+        verify(mController).readHighFrequencyDisplaySetting();
+    }
+
+    @Test
+    public void updateState_settingDisabled_shouldUnCheckPreference() throws RemoteException {
+        mController.writeHighFrequencyDisplaySetting(true);
+        mController.updateState(mPreference);
+
+        verify(mController).readHighFrequencyDisplaySetting();
+    }
+
+    @Test
+    public void onDeveloperOptionsSwitchDisabled_preferenceChecked_shouldTurnOffPreference() {
+        mController.onDeveloperOptionsSwitchDisabled();
+
+        verify(mController).writeHighFrequencyDisplaySetting(false);
+    }
+
+    @Test
+    public void onDeveloperOptionsSwitchDisabled_preferenceUnchecked_shouldNotTurnOffPreference() {
+        mController.onDeveloperOptionsSwitchDisabled();
+
+        verify(mController).writeHighFrequencyDisplaySetting(false);
+    }
+}