/*
 * Copyright (C) 2017 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.internal.os;

import static android.os.BatteryStats.STATS_SINCE_CHARGED;
import static android.os.BatteryStats.WAKE_TYPE_PARTIAL;

import android.app.ActivityManager;
import android.os.BatteryStats;
import android.os.WorkSource;
import android.support.test.filters.SmallTest;

import junit.framework.TestCase;

/**
 * Test various BatteryStatsImpl noteStart methods.
 */
public class BatteryStatsNoteTest extends TestCase{
    private static final int UID = 10500;
    private static final WorkSource WS = new WorkSource(UID);

    /** Test BatteryStatsImpl.Uid.noteBluetoothScanResultLocked. */
    @SmallTest
    public void testNoteBluetoothScanResultLocked() throws Exception {
        MockBatteryStatsImpl bi = new MockBatteryStatsImpl(new MockClocks());
        bi.updateTimeBasesLocked(true, true, 0, 0);
        bi.noteUidProcessStateLocked(UID, ActivityManager.PROCESS_STATE_TOP);

        bi.noteBluetoothScanResultsFromSourceLocked(WS, 1);
        bi.noteBluetoothScanResultsFromSourceLocked(WS, 100);
        assertEquals(101,
                bi.getUidStats().get(UID).getBluetoothScanResultCounter()
                        .getCountLocked(STATS_SINCE_CHARGED));
        // TODO: remove next line when Counter misreporting values when plugged-in bug is fixed.
        bi.noteUidProcessStateLocked(UID, ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND);
        BatteryStats.Counter bgCntr = bi.getUidStats().get(UID).getBluetoothScanResultBgCounter();
        if (bgCntr != null) {
            assertEquals(0, bgCntr.getCountLocked(STATS_SINCE_CHARGED));
        }

        bi.noteUidProcessStateLocked(UID, ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND);
        bi.noteBluetoothScanResultsFromSourceLocked(WS, 17);
        assertEquals(101 + 17,
                bi.getUidStats().get(UID).getBluetoothScanResultCounter()
                        .getCountLocked(STATS_SINCE_CHARGED));
        assertEquals(17,
                bi.getUidStats().get(UID).getBluetoothScanResultBgCounter()
                        .getCountLocked(STATS_SINCE_CHARGED));
    }

    /** Test BatteryStatsImpl.Uid.noteStartWakeLocked. */
    @SmallTest
    public void testNoteStartWakeLocked() throws Exception {
        final MockClocks clocks = new MockClocks(); // holds realtime and uptime in ms
        MockBatteryStatsImpl bi = new MockBatteryStatsImpl(clocks);

        int pid = 10;
        String name = "name";

        bi.updateTimeBasesLocked(true, true, 0, 0);
        bi.noteUidProcessStateLocked(UID, ActivityManager.PROCESS_STATE_TOP);
        bi.getUidStatsLocked(UID).noteStartWakeLocked(pid, name, WAKE_TYPE_PARTIAL, clocks.realtime);

        clocks.realtime = clocks.uptime = 100;
        bi.noteUidProcessStateLocked(UID, ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND);

        clocks.realtime = clocks.uptime = 220;
        bi.getUidStatsLocked(UID).noteStopWakeLocked(pid, name, WAKE_TYPE_PARTIAL, clocks.realtime);

        BatteryStats.Timer aggregTimer = bi.getUidStats().get(UID).getAggregatedPartialWakelockTimer();
        long actualTime = aggregTimer.getTotalTimeLocked(300_000, STATS_SINCE_CHARGED);
        long bgTime = aggregTimer.getSubTimer().getTotalTimeLocked(300_000, STATS_SINCE_CHARGED);
        assertEquals(220_000, actualTime);
        assertEquals(120_000, bgTime);
    }
}