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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.os.health.cts;
     18 
     19 import android.os.Parcel;
     20 import android.os.health.HealthKeys;
     21 import android.os.health.HealthStats;
     22 import android.os.health.HealthStatsParceler;
     23 import android.os.health.HealthStatsWriter;
     24 import android.os.health.TimerStat;
     25 import android.test.suitebuilder.annotation.SmallTest;
     26 
     27 import junit.framework.Assert;
     28 import junit.framework.TestCase;
     29 
     30 import java.util.Map;
     31 
     32 /**
     33  * Provides test cases for android.os.health.HealthStats and HealthStatsWriter.
     34  */
     35 public class HealthStatsTest extends TestCase {
     36     @HealthKeys.Constant(type=HealthKeys.TYPE_TIMER)
     37     public static final int TIMER_0 = 10;
     38 
     39     @HealthKeys.Constant(type=HealthKeys.TYPE_TIMER)
     40     public static final int TIMER_1 = 11;
     41 
     42     @HealthKeys.Constant(type=HealthKeys.TYPE_MEASUREMENT)
     43     public static final int MEASUREMENT_0 = 20;
     44 
     45     @HealthKeys.Constant(type=HealthKeys.TYPE_MEASUREMENT)
     46     public static final int MEASUREMENT_1 = 21;
     47 
     48     @HealthKeys.Constant(type=HealthKeys.TYPE_MEASUREMENT)
     49     public static final int MEASUREMENT_2 = 21;
     50 
     51     @HealthKeys.Constant(type=HealthKeys.TYPE_STATS)
     52     public static final int STATS_0 = 30;
     53 
     54     @HealthKeys.Constant(type=HealthKeys.TYPE_TIMERS)
     55     public static final int TIMERS_0 = 30;
     56 
     57     @HealthKeys.Constant(type=HealthKeys.TYPE_MEASUREMENTS)
     58     public static final int MEASUREMENTS_0 = 40;
     59 
     60     @HealthKeys.Constant(type=HealthKeys.TYPE_MEASUREMENTS)
     61     public static final int MEASUREMENTS_1 = 41;
     62 
     63 
     64     public static final HealthKeys.Constants CONSTANTS
     65             = new HealthKeys.Constants(HealthStatsTest.class);
     66 
     67     /**
     68      * Check all the fields.
     69      */
     70     private void checkHealthStats(HealthStats readback) {
     71         // Header fields
     72         Assert.assertEquals("HealthStatsTest", readback.getDataType());
     73 
     74 
     75         // TimerStat fields
     76         Assert.assertEquals(2, readback.getTimerKeyCount());
     77 
     78         Assert.assertEquals(TIMER_0, readback.getTimerKeyAt(0));
     79         Assert.assertTrue(readback.hasTimer(TIMER_0));
     80         Assert.assertEquals(1, readback.getTimerCount(TIMER_0));
     81         Assert.assertEquals(100, readback.getTimerTime(TIMER_0));
     82 
     83         Assert.assertEquals(TIMER_1, readback.getTimerKeyAt(1));
     84         Assert.assertTrue(readback.hasTimer(TIMER_1));
     85         Assert.assertEquals(Integer.MAX_VALUE, readback.getTimerCount(TIMER_1));
     86         Assert.assertEquals(Long.MAX_VALUE, readback.getTimerTime(TIMER_1));
     87 
     88         Assert.assertEquals(Integer.MAX_VALUE, readback.getTimer(TIMER_1).getCount());
     89         Assert.assertEquals(Long.MAX_VALUE, readback.getTimer(TIMER_1).getTime());
     90 
     91 
     92         // Measurement fields
     93         Assert.assertEquals(2, readback.getMeasurementKeyCount());
     94 
     95         Assert.assertEquals(MEASUREMENT_0, readback.getMeasurementKeyAt(0));
     96         Assert.assertTrue(readback.hasMeasurement(MEASUREMENT_0));
     97         Assert.assertEquals(300, readback.getMeasurement(MEASUREMENT_0));
     98 
     99         Assert.assertEquals(MEASUREMENT_1, readback.getMeasurementKeyAt(1));
    100         Assert.assertTrue(readback.hasMeasurement(MEASUREMENT_1));
    101         Assert.assertEquals(Long.MAX_VALUE, readback.getMeasurement(MEASUREMENT_1));
    102 
    103 
    104         // Stats fields
    105         Assert.assertEquals(1, readback.getStatsKeyCount());
    106 
    107         Assert.assertEquals(STATS_0, readback.getStatsKeyAt(0));
    108         Assert.assertTrue(readback.hasStats(STATS_0));
    109 
    110         final Map<String,HealthStats> stats = readback.getStats(STATS_0);
    111         Assert.assertEquals(1, stats.size());
    112         final HealthStats child = stats.get("a");
    113         Assert.assertEquals(0, child.getTimerKeyCount());
    114         Assert.assertEquals(1, child.getMeasurementKeyCount());
    115         Assert.assertEquals(Long.MIN_VALUE, child.getMeasurement(MEASUREMENT_2));
    116         Assert.assertEquals(0, child.getStatsKeyCount());
    117         Assert.assertEquals(0, child.getTimersKeyCount());
    118 
    119 
    120         // Timers fields
    121         Assert.assertEquals(1, readback.getTimersKeyCount());
    122 
    123         Assert.assertEquals(TIMERS_0, readback.getTimersKeyAt(0));
    124         Assert.assertTrue(readback.hasTimers(TIMERS_0));
    125         final Map<String,TimerStat> timers = readback.getTimers(TIMERS_0);
    126         Assert.assertEquals(1, timers.size());
    127         Assert.assertEquals(200, timers.get("b").getCount());
    128         Assert.assertEquals(400, timers.get("b").getTime());
    129 
    130 
    131         // Measurements fields
    132         Map<String,Long> measurements;
    133         Assert.assertEquals(2, readback.getMeasurementsKeyCount());
    134 
    135         Assert.assertEquals(MEASUREMENTS_0, readback.getMeasurementsKeyAt(0));
    136         Assert.assertTrue(readback.hasMeasurements(MEASUREMENTS_0));
    137         measurements = readback.getMeasurements(MEASUREMENTS_0);
    138         Assert.assertEquals(1, measurements.size());
    139         Assert.assertEquals(800L, measurements.get("Z").longValue());
    140 
    141         Assert.assertEquals(MEASUREMENTS_1, readback.getMeasurementsKeyAt(1));
    142         measurements = readback.getMeasurements(MEASUREMENTS_1);
    143         Assert.assertTrue(readback.hasMeasurements(MEASUREMENTS_1));
    144         Assert.assertEquals(2, measurements.size());
    145         Assert.assertEquals(900L, measurements.get("Y").longValue());
    146         Assert.assertEquals(901L, measurements.get("X").longValue());
    147     }
    148 
    149     /**
    150      * Tests parceling empty HealthStats.
    151      */
    152     @SmallTest
    153     public void testParcelEmpty() throws Exception {
    154         final HealthStatsWriter writer = new HealthStatsWriter(CONSTANTS);
    155 
    156         Parcel parcel = Parcel.obtain();
    157         writer.flattenToParcel(parcel);
    158 
    159         parcel.setDataPosition(0);
    160 
    161         HealthStats readback = new HealthStats(parcel);
    162 
    163         // Check that there is no more data in the parcel
    164         Assert.assertEquals(0, parcel.dataAvail());
    165         parcel.recycle();
    166 
    167         Assert.assertEquals(0, readback.getTimerKeyCount());
    168         Assert.assertEquals(0, readback.getMeasurementKeyCount());
    169         Assert.assertEquals(0, readback.getStatsKeyCount());
    170         Assert.assertEquals(0, readback.getTimersKeyCount());
    171         Assert.assertEquals(0, readback.getMeasurementsKeyCount());
    172     }
    173 
    174 
    175     /**
    176      * Tests parceling HealthStats.
    177      */
    178     @SmallTest
    179     public void testParcelling() throws Exception {
    180         final HealthStatsWriter writer = new HealthStatsWriter(CONSTANTS);
    181 
    182         // TimerStat
    183         writer.addTimer(TIMER_0, 1, 100);
    184         writer.addTimer(TIMER_1, Integer.MAX_VALUE, Long.MAX_VALUE);
    185 
    186         // Measurement
    187         writer.addMeasurement(MEASUREMENT_0, 300);
    188         writer.addMeasurement(MEASUREMENT_1, Long.MAX_VALUE);
    189 
    190         // Stats
    191         HealthStatsWriter writer2 = new HealthStatsWriter(CONSTANTS);
    192         writer2.addMeasurement(MEASUREMENT_2, Long.MIN_VALUE);
    193         writer.addStats(STATS_0, "a", writer2);
    194 
    195         // Timers
    196         writer.addTimers(TIMERS_0, "b", new TimerStat(200, 400));
    197 
    198         // Measurements
    199         writer.addMeasurements(MEASUREMENTS_0, "Z", 800);
    200         writer.addMeasurements(MEASUREMENTS_1, "Y", 900);
    201         writer.addMeasurements(MEASUREMENTS_1, "X", 901);
    202 
    203 
    204         // Parcel and unparcel it via HealthStatsWriter.writeToParcel.
    205         Parcel parcel = Parcel.obtain();
    206         writer.flattenToParcel(parcel);
    207         parcel.setDataPosition(0);
    208         HealthStats readback = new HealthStats(parcel);
    209 
    210         // Check that there is no more data in the parcel
    211         Assert.assertEquals(0, parcel.dataAvail());
    212         parcel.recycle();
    213 
    214         checkHealthStats(readback);
    215     }
    216 
    217     /**
    218      * Tests the HealthStatsParceler.
    219      */
    220     @SmallTest
    221     public void testParceler() throws Exception {
    222         final HealthStatsWriter writer = new HealthStatsWriter(CONSTANTS);
    223         writer.addMeasurement(MEASUREMENT_0, 300);
    224 
    225         final HealthStatsParceler parceler = new HealthStatsParceler(writer);
    226 
    227         final Parcel parcel = Parcel.obtain();
    228         parceler.writeToParcel(parcel, 0);
    229         parcel.setDataPosition(0);
    230 
    231         final HealthStatsParceler parceler2 = new HealthStatsParceler(parcel);
    232 
    233         // Check that there is no more data in the parcel
    234         Assert.assertEquals(0, parcel.dataAvail());
    235         parcel.recycle();
    236 
    237         final HealthStats readback = parceler2.getHealthStats();
    238 
    239         Assert.assertEquals(300, readback.getMeasurement(MEASUREMENT_0));
    240 
    241         // Should fail
    242         try {
    243             final Parcel parcel2 = Parcel.obtain();
    244             parceler2.writeToParcel(parcel2, 0);
    245             parcel2.recycle();
    246             throw new Exception("Expected IndexOutOfBoundsException");
    247         } catch (RuntimeException ex) {
    248             // expected
    249         }
    250     }
    251 }
    252 
    253