hostsidetests/net/app/src/com/android/cts/net/hostside/BatterySaverModeTest.java

/*
 * 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.cts.net.hostside;

//TODO: move this and BatterySaverModeNonMeteredTest's logic into a common superclass
public class BatterySaverModeTest extends AbstractRestrictBackgroundNetworkTestCase {

    @Override
    public void setUp() throws Exception {
        super.setUp();

        setMeteredNetwork();
        setPowerSaveMode(false);
        assertPowerSaveModeWhitelist(TEST_APP2_PKG, false); // Sanity check
        registerBroadcastReceiver();
    }

    @Override
    protected void tearDown() throws Exception {
        super.tearDown();

        try {
            resetMeteredNetwork();
        } finally {
            setPowerSaveMode(false);
        }
    }

    public void testBackgroundNetworkAccess_enabled() throws Exception {
        setPowerSaveMode(true);

        assertBackgroundNetworkAccess(false);

        // Make sure app is allowed if running a foreground service.
        startForegroundService();
        assertForegroundServiceState();
        assertBackgroundNetworkAccess(true);

        // Should always have access when running on foreground
        launchApp2Activity();
        assertForegroundNetworkAccess();
    }

    public void testBackgroundNetworkAccess_whitelisted() throws Exception {
        setPowerSaveMode(true);
        assertBackgroundNetworkAccess(false);
        addPowerSaveModeWhitelist(TEST_APP2_PKG);
        assertBackgroundNetworkAccess(true);
        removePowerSaveModeWhitelist(TEST_APP2_PKG);
        assertBackgroundNetworkAccess(false);

        // Should always have access when running on foreground
        launchApp2Activity();
        assertForegroundNetworkAccess();
    }

    public void testBackgroundNetworkAccess_disabled() throws Exception {
        setPowerSaveMode(false);
        assertBackgroundNetworkAccess(true);

        // Should always have access when running on foreground
        launchApp2Activity();
        assertForegroundNetworkAccess();
    }
}