Merge "Create preference to allow user to toggle sticky battery saver"

tests/robotests/src/com/android/settings/fuelgauge/batterysaver/BatterySaverStickyPreferenceControllerTest.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2016 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.fuelgauge.batterysaver;
+
+import static com.android.settings.fuelgauge.batterysaver.BatterySaverStickyPreferenceController.LOW_POWER_STICKY_AUTO_DISABLE_ENABLED;
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.provider.Settings;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class BatterySaverStickyPreferenceControllerTest {
+
+    private static final String PREF_KEY = "battery_saver_sticky";
+
+    private Context mContext;
+    private BatterySaverStickyPreferenceController mController;
+
+    @Before
+    public void setup() {
+        mContext = RuntimeEnvironment.application;
+        mController = new BatterySaverStickyPreferenceController(mContext, PREF_KEY);
+    }
+
+    private int getAutoDisableSetting() {
+        return Settings.System.getInt(mContext.getContentResolver(),
+                LOW_POWER_STICKY_AUTO_DISABLE_ENABLED,
+                1);
+    }
+
+    @Test
+    public void testOnPreferenceChange_turnOnKeepActive_autoDisableOff() {
+        mController.onPreferenceChange(null, true);
+        final int isOn = getAutoDisableSetting();
+        assertThat(isOn).isEqualTo(0);
+    }
+
+    @Test
+    public void testOnPreferenceChange_TurnOffKeepActive_autoDisableOff() {
+        mController.onPreferenceChange(null, false);
+        final int isOn = getAutoDisableSetting();
+        assertThat(isOn).isEqualTo(1);
+    }
+}