Migrate robolectric tests to junit tests

This change do the 2 things:

1. Add new junit tests files which replace robolectric
   RobolectricTestRunner & RuntimeEnvironment with
   AndroidX objects without problem.
2. Remove the robolectric test files which have it's new junit files.

This change migrate 103 files, there are still 1209
files to go.

Bug: 174728471
Test: atest
      make RunSettingsRoboTests
Change-Id: I15ed3f4745b85862f720aabbf710ce1475aced93

tests/unit/src/com/android/settings/accessibility/AccessibilityShortcutPreferenceControllerTest.java

@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2020 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.accessibility;
+
+import static com.android.settings.accessibility.AccessibilityUtil.State.OFF;
+import static com.android.settings.accessibility.AccessibilityUtil.State.ON;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.os.UserHandle;
+import android.provider.Settings;
+
+import androidx.preference.SwitchPreference;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class AccessibilityShortcutPreferenceControllerTest {
+
+    private Context mContext;
+    private SwitchPreference mPreference;
+    private AccessibilityShortcutPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mPreference = new SwitchPreference(mContext);
+        mController = new AccessibilityShortcutPreferenceController(mContext,
+                "accessibility_shortcut_preference");
+    }
+
+    @Test
+    public void isChecked_enabledShortcutOnLockScreen_shouldReturnTrue() {
+        Settings.Secure.putIntForUser(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_SHORTCUT_ON_LOCK_SCREEN, ON, UserHandle.USER_CURRENT);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_disabledShortcutOnLockScreen_shouldReturnFalse() {
+        Settings.Secure.putIntForUser(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_SHORTCUT_ON_LOCK_SCREEN, OFF,
+                UserHandle.USER_CURRENT);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_setTrue_shouldEnableShortcutOnLockScreen() {
+        mController.setChecked(true);
+
+        assertThat(Settings.Secure.getIntForUser(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_SHORTCUT_ON_LOCK_SCREEN, OFF,
+                UserHandle.USER_CURRENT)).isEqualTo(ON);
+    }
+
+    @Test
+    public void setChecked_setFalse_shouldDisableShortcutOnLockScreen() {
+        mController.setChecked(false);
+
+        assertThat(Settings.Secure.getIntForUser(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_SHORTCUT_ON_LOCK_SCREEN, ON,
+                UserHandle.USER_CURRENT)).isEqualTo(OFF);
+    }
+}

tests/unit/src/com/android/settings/accessibility/DisableAnimationsPreferenceControllerTest.java

@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2020 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.accessibility;
+
+import static com.android.settings.accessibility.DisableAnimationsPreferenceController.ANIMATION_OFF_VALUE;
+import static com.android.settings.accessibility.DisableAnimationsPreferenceController.ANIMATION_ON_VALUE;
+import static com.android.settings.accessibility.DisableAnimationsPreferenceController.TOGGLE_ANIMATION_TARGETS;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.preference.SwitchPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class DisableAnimationsPreferenceControllerTest {
+
+    private Context mContext;
+    private SwitchPreference mPreference;
+    private DisableAnimationsPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mPreference = new SwitchPreference(mContext);
+        mController = new DisableAnimationsPreferenceController(mContext, "disable_animation");
+    }
+
+    @Test
+    public void getAvailabilityStatus_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void isChecked_enabledAnimation_shouldReturnFalse() {
+        for (String animationPreference : TOGGLE_ANIMATION_TARGETS) {
+            Settings.Global.putString(mContext.getContentResolver(), animationPreference,
+                    ANIMATION_ON_VALUE);
+        }
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void isChecked_disabledAnimation_shouldReturnTrue() {
+        for (String animationPreference : TOGGLE_ANIMATION_TARGETS) {
+            Settings.Global.putString(mContext.getContentResolver(), animationPreference,
+                    ANIMATION_OFF_VALUE);
+        }
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void setChecked_disabledAnimation_shouldDisableAnimationTargets() {
+        mController.setChecked(true);
+
+        for (String animationSetting : TOGGLE_ANIMATION_TARGETS) {
+            assertThat(Settings.Global.getString(mContext.getContentResolver(), animationSetting))
+                    .isEqualTo(ANIMATION_OFF_VALUE);
+        }
+    }
+
+    @Test
+    public void setChecked_enabledAnimation_shouldEnableAnimationTargets() {
+        mController.setChecked(false);
+
+        for (String animationSetting : TOGGLE_ANIMATION_TARGETS) {
+            assertThat(Settings.Global.getString(mContext.getContentResolver(), animationSetting))
+                    .isEqualTo(ANIMATION_ON_VALUE);
+        }
+    }
+}

tests/unit/src/com/android/settings/accessibility/FontWeightAdjustmentPreferenceControllerTest.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2020 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.preference.SwitchPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class FontWeightAdjustmentPreferenceControllerTest {
+    private static final int ON = FontWeightAdjustmentPreferenceController.BOLD_TEXT_ADJUSTMENT;
+    private static final int OFF = 0;
+
+    private Context mContext;
+    private SwitchPreference mPreference;
+    private FontWeightAdjustmentPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mPreference = new SwitchPreference(mContext);
+        mController = new FontWeightAdjustmentPreferenceController(
+                mContext, "font_weight_adjustment");
+    }
+
+    @Test
+    public void getAvailabilityStatus_byDefault_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void isChecked_enabledBoldText_shouldReturnTrue() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.FONT_WEIGHT_ADJUSTMENT, ON);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_disabledBoldText_shouldReturnFalse() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.FONT_WEIGHT_ADJUSTMENT, OFF);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_setTrue_shouldEnableBoldText() {
+        mController.setChecked(true);
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.FONT_WEIGHT_ADJUSTMENT, OFF)).isEqualTo(ON);
+    }
+
+    @Test
+    public void setChecked_setFalse_shouldDisableBoldText() {
+        mController.setChecked(false);
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.FONT_WEIGHT_ADJUSTMENT, OFF)).isEqualTo(OFF);
+    }
+}

tests/unit/src/com/android/settings/accessibility/HighTextContrastPreferenceControllerTest.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2020 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.preference.SwitchPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class HighTextContrastPreferenceControllerTest {
+
+    private static final int ON = 1;
+    private static final int OFF = 0;
+    private static final int UNKNOWN = -1;
+
+    private Context mContext;
+    private SwitchPreference mPreference;
+    private HighTextContrastPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mPreference = new SwitchPreference(mContext);
+        mController = new HighTextContrastPreferenceController(mContext, "text_contrast");
+    }
+
+    @Test
+    public void getAvailabilityStatus_byDefault_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void isChecked_enabledTextContrast_shouldReturnTrue() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, ON);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_disabledTextContrast_shouldReturnFalse() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, OFF);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_setTrue_shouldEnableTextContrast() {
+        mController.setChecked(true);
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, UNKNOWN)).isEqualTo(ON);
+
+    }
+
+    @Test
+    public void setChecked_setFalse_shouldDisableTextContrast() {
+        mController.setChecked(false);
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, UNKNOWN)).isEqualTo(OFF);
+    }
+}

tests/unit/src/com/android/settings/accessibility/LargePointerIconPreferenceControllerTest.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2020 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.accessibility;
+
+import static com.android.settings.accessibility.LargePointerIconPreferenceController.OFF;
+import static com.android.settings.accessibility.LargePointerIconPreferenceController.ON;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.preference.SwitchPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class LargePointerIconPreferenceControllerTest {
+
+    private static final int UNKNOWN = -1;
+
+    private Context mContext;
+    private SwitchPreference mPreference;
+    private LargePointerIconPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mPreference = new SwitchPreference(mContext);
+        mController = new LargePointerIconPreferenceController(mContext, "large_pointer");
+    }
+
+    @Test
+    public void getAvailabilityStatus_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void isChecked_enabledLargePointer_shouldReturnTrue() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_LARGE_POINTER_ICON, ON);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_disabledLargePointer_shouldReturnFalse() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_LARGE_POINTER_ICON, OFF);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_enabled_shouldEnableLargePointer() {
+        mController.setChecked(true);
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_LARGE_POINTER_ICON, UNKNOWN)).isEqualTo(ON);
+    }
+
+    @Test
+    public void setChecked_disabled_shouldDisableLargePointer() {
+        mController.setChecked(false);
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_LARGE_POINTER_ICON, UNKNOWN)).isEqualTo(OFF);
+    }
+}

tests/unit/src/com/android/settings/accessibility/MagnificationPreferenceControllerTest.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2020 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class MagnificationPreferenceControllerTest {
+
+    private Context mContext;
+    private MagnificationPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mController = new MagnificationPreferenceController(mContext, "magnification");
+    }
+
+    @Test
+    public void getAvailabilityStatus_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+}

tests/unit/src/com/android/settings/accessibility/PreferredShortcutTest.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2020 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.ComponentName;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/** Tests for {@link PreferredShortcut} */
+@RunWith(AndroidJUnit4.class)
+public class PreferredShortcutTest {
+
+    private static final String STUB_COMPONENT_NAME = new ComponentName("com.example",
+            "com.example.testActivity").flattenToString();
+    private static final int STUB_TYPE = 3;
+
+    @Test
+    public void fromString_matchMemberObject() {
+        final String preferredShortcutString = STUB_COMPONENT_NAME + ":" + STUB_TYPE;
+
+        final PreferredShortcut shortcut = PreferredShortcut.fromString(preferredShortcutString);
+
+        assertThat(shortcut.getComponentName()).isEqualTo(STUB_COMPONENT_NAME);
+        assertThat(shortcut.getType()).isEqualTo(STUB_TYPE);
+    }
+
+    @Test
+    public void toString_matchString() {
+        final PreferredShortcut shortcut = new PreferredShortcut(STUB_COMPONENT_NAME, STUB_TYPE);
+
+        final String preferredShortcutString = shortcut.toString();
+
+        assertThat(preferredShortcutString).isEqualTo(STUB_COMPONENT_NAME + ":" + STUB_TYPE);
+    }
+
+    @Test
+    public void assertSameObject() {
+        final String preferredShortcutString = STUB_COMPONENT_NAME + ":" + STUB_TYPE;
+        final PreferredShortcut targetShortcut = PreferredShortcut.fromString(
+                preferredShortcutString);
+
+        assertThat(targetShortcut).isEqualTo(new PreferredShortcut(STUB_COMPONENT_NAME, STUB_TYPE));
+    }
+}

tests/unit/src/com/android/settings/accessibility/PreferredShortcutsTest.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2020 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.ComponentName;
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/** Tests for {@link PreferredShortcuts} */
+@RunWith(AndroidJUnit4.class)
+public class PreferredShortcutsTest {
+
+    private static final String PACKAGE_NAME_1 = "com.test1.example";
+    private static final String CLASS_NAME_1 = PACKAGE_NAME_1 + ".test1";
+    private static final ComponentName COMPONENT_NAME_1 = new ComponentName(PACKAGE_NAME_1,
+            CLASS_NAME_1);
+    private static final String PACKAGE_NAME_2 = "com.test2.example";
+    private static final String CLASS_NAME_2 = PACKAGE_NAME_2 + ".test2";
+    private static final ComponentName COMPONENT_NAME_2 = new ComponentName(PACKAGE_NAME_2,
+            CLASS_NAME_2);
+
+    private Context mContext = ApplicationProvider.getApplicationContext();
+
+    @Test
+    public void retrieveUserShortcutType_fromSingleData_matchSavedType() {
+        final int type = 1;
+        final PreferredShortcut shortcut = new PreferredShortcut(COMPONENT_NAME_1.flattenToString(),
+                type);
+
+        PreferredShortcuts.saveUserShortcutType(mContext, shortcut);
+        final int retrieveType = PreferredShortcuts.retrieveUserShortcutType(mContext,
+                COMPONENT_NAME_1.flattenToString(), 0);
+
+        assertThat(retrieveType).isEqualTo(type);
+    }
+
+    @Test
+    public void retrieveUserShortcutType_fromMultiData_matchSavedType() {
+        final int type1 = 1;
+        final int type2 = 2;
+        final PreferredShortcut shortcut1 = new PreferredShortcut(
+                COMPONENT_NAME_1.flattenToString(), type1);
+        final PreferredShortcut shortcut2 = new PreferredShortcut(
+                COMPONENT_NAME_2.flattenToString(), type2);
+
+        PreferredShortcuts.saveUserShortcutType(mContext, shortcut1);
+        PreferredShortcuts.saveUserShortcutType(mContext, shortcut2);
+        final int retrieveType = PreferredShortcuts.retrieveUserShortcutType(mContext,
+                COMPONENT_NAME_1.flattenToString(), 0);
+
+        assertThat(retrieveType).isEqualTo(type1);
+    }
+}

tests/unit/src/com/android/settings/accessibility/PrimaryMonoPreferenceControllerTest.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2020 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.os.UserHandle;
+import android.provider.Settings;
+
+import androidx.preference.SwitchPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class PrimaryMonoPreferenceControllerTest {
+
+    private static final int ON = 1;
+    private static final int OFF = 0;
+    private static final int UNKNOWN = -1;
+
+    private Context mContext;
+    private SwitchPreference mPreference;
+    private PrimaryMonoPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mPreference = new SwitchPreference(mContext);
+        mController = new PrimaryMonoPreferenceController(mContext, "test_key");
+    }
+
+    @Test
+    public void getAvailabilityStatus_byDefault_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void isChecked_enabledMonoAudio_shouldReturnTrue() {
+        Settings.System.putIntForUser(mContext.getContentResolver(),
+                Settings.System.MASTER_MONO, ON, UserHandle.USER_CURRENT);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_disabledMonoAudio_shouldReturnFalse() {
+        Settings.System.putIntForUser(mContext.getContentResolver(),
+                Settings.System.MASTER_MONO, OFF, UserHandle.USER_CURRENT);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_setTrue_shouldEnableMonoAudio() {
+        mController.setChecked(true);
+
+        assertThat(Settings.System.getIntForUser(mContext.getContentResolver(),
+                Settings.System.MASTER_MONO, UNKNOWN, UserHandle.USER_CURRENT)).isEqualTo(ON);
+    }
+
+    @Test
+    public void setChecked_setFalse_shouldDisableMonoAudio() {
+        mController.setChecked(false);
+
+        assertThat(Settings.System.getIntForUser(mContext.getContentResolver(),
+                Settings.System.MASTER_MONO, UNKNOWN, UserHandle.USER_CURRENT)).isEqualTo(OFF);
+    }
+}

tests/unit/src/com/android/settings/accessibility/ReduceBrightColorsIntensityPreferenceControllerTest.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2020 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+/** TODO(b/170970675): Update and add tests after ColorDisplayService work is integrated */
+public class ReduceBrightColorsIntensityPreferenceControllerTest {
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private final ReduceBrightColorsIntensityPreferenceController mPreferenceController =
+            new ReduceBrightColorsIntensityPreferenceController(mContext,
+            "rbc_intensity");
+
+    @Test
+    public void isAvailable_configuredRbcAvailable_enabledRbc_shouldReturnTrue() {
+        assertThat(mPreferenceController.isAvailable()).isTrue();
+    }
+    @Test
+    public void isAvailable_configuredRbcAvailable_disabledRbc_shouldReturnFalse() {
+        assertThat(mPreferenceController.isAvailable()).isTrue();
+    }
+    @Test
+    public void isAvailable_configuredRbcUnavailable_enabledRbc_shouldReturnFalse() {
+        assertThat(mPreferenceController.isAvailable()).isTrue();
+    }
+}

tests/unit/src/com/android/settings/accessibility/ReduceBrightColorsPersistencePreferenceControllerTest.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2020 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.preference.SwitchPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class ReduceBrightColorsPersistencePreferenceControllerTest {
+    private static final String PREF_KEY = "rbc_persist";
+    private static final String RBC_PERSIST =
+            Settings.Secure.REDUCE_BRIGHT_COLORS_PERSIST_ACROSS_REBOOTS;
+    private static final int ON = 1;
+    private static final int OFF = 0;
+    private static final int UNKNOWN = -1;
+
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private final SwitchPreference mPreference = new SwitchPreference(mContext);
+    private final ReduceBrightColorsPersistencePreferenceController mController =
+            new ReduceBrightColorsPersistencePreferenceController(mContext, PREF_KEY);
+
+    @Test
+    public void isChecked_enabledRbc_shouldReturnTrue() {
+        Settings.Secure.putInt(mContext.getContentResolver(), RBC_PERSIST, ON);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_disabledRbc_shouldReturnFalse() {
+        Settings.Secure.putInt(mContext.getContentResolver(), RBC_PERSIST, OFF);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_setTrue_shouldEnableRbc() {
+        mController.setChecked(true);
+
+        assertThat(
+                Settings.Secure.getInt(mContext.getContentResolver(), RBC_PERSIST, UNKNOWN))
+                .isEqualTo(ON);
+    }
+
+    @Test
+    public void setChecked_setFalse_shouldDisableRbc() {
+        mController.setChecked(false);
+
+        assertThat(
+                Settings.Secure.getInt(mContext.getContentResolver(), RBC_PERSIST, UNKNOWN))
+                .isEqualTo(OFF);
+    }
+}

tests/unit/src/com/android/settings/accessibility/SelectLongPressTimeoutPreferenceControllerTest.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2020 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class SelectLongPressTimeoutPreferenceControllerTest {
+    private static final int VALID_VALUE = 1500;
+    private static final int INVALID_VALUE = 0;
+    private static final int DEFAULT_VALUE = 400;
+
+    private Context mContext;
+    private SelectLongPressTimeoutPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mController = new SelectLongPressTimeoutPreferenceController(mContext, "press_timeout");
+    }
+
+    @Test
+    public void getAvailabilityStatus_byDefault_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void getSummary_byDefault_shouldReturnShort() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.LONG_PRESS_TIMEOUT, DEFAULT_VALUE);
+        final String expected = "Short";
+
+        assertThat(mController.getSummary()).isEqualTo(expected);
+    }
+
+    @Test
+    public void getSummary_validValue_shouldReturnLong() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.LONG_PRESS_TIMEOUT, VALID_VALUE);
+        final String expected = "Long";
+
+        assertThat(mController.getSummary()).isEqualTo(expected);
+    }
+
+    @Test
+    public void getSummary_invalidValue_shouldReturnNull() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.LONG_PRESS_TIMEOUT, INVALID_VALUE);
+
+        assertThat(mController.getSummary()).isNull();
+    }
+}