Merge "Add TogglePrefController for Color Invert"

tests/robotests/src/com/android/settings/accessibility/ColorInversionPreferenceControllerTest.java

@@ -0,0 +1,97 @@
+/*
+ * 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.accessibility;
+
+import static com.android.settings.accessibility.ColorInversionPreferenceController.OFF;
+import static com.android.settings.accessibility.ColorInversionPreferenceController.ON;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+
+import androidx.preference.SwitchPreference;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class ColorInversionPreferenceControllerTest {
+    private static final int UNKNOWN = -1;
+    private Context mContext;
+    private ColorInversionPreferenceController mController;
+    private SwitchPreference mPreference;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        mController = new ColorInversionPreferenceController(mContext, "pref_key");
+        mPreference = new SwitchPreference(mContext);
+        mController.updateState(mPreference);
+    }
+
+    @Test
+    public void getAvailabilityStatus_available() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void isChecked_enabled() {
+        Settings.System.putInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED, ON);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_disabled() {
+        Settings.System.putInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED, OFF);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_enabled() {
+        mController.setChecked(true);
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED, UNKNOWN)).isEqualTo(ON);
+    }
+
+    @Test
+    public void setChecked_disabled() {
+        mController.setChecked(false);
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED, UNKNOWN)).isEqualTo(OFF);
+    }
+}