1 /*
2  * Copyright (C) 2014 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.hardware.cts.helpers;
18 
19 import junit.framework.TestCase;
20 
21 import java.util.Map;
22 
23 /**
24  * Unit tests for the {@link SensorStats} class.
25  */
26 public class SensorStatsTest extends TestCase {
27 
28     /**
29      * Test that {@link SensorStats#flatten()} works correctly.
30      */
testFlatten()31     public void testFlatten() {
32         SensorStats stats = new SensorStats();
33         stats.addValue("value0", 0);
34         stats.addValue("value1", 1);
35 
36         SensorStats subStats = new SensorStats();
37         subStats.addValue("value2", 2);
38         subStats.addValue("value3", 3);
39 
40         SensorStats subSubStats = new SensorStats();
41         subSubStats.addValue("value4", 4);
42         subSubStats.addValue("value5", 5);
43 
44         subStats.addSensorStats("stats1", subSubStats);
45         stats.addSensorStats("stats0", subStats);
46 
47         // Add empty stats, expect no value in flattened map
48         stats.addSensorStats("stats2", new SensorStats());
49 
50         // Add null values, expect no value in flattened map
51         stats.addSensorStats("stats3", null);
52         stats.addValue("value6", null);
53 
54         Map<String, Object> flattened = stats.flatten();
55 
56         assertEquals(6, flattened.size());
57         assertEquals(0, (int) (Integer) flattened.get("value0"));
58         assertEquals(1, (int) (Integer) flattened.get("value1"));
59         assertEquals(2, (int) (Integer) flattened.get("stats0__value2"));
60         assertEquals(3, (int) (Integer) flattened.get("stats0__value3"));
61         assertEquals(4, (int) (Integer) flattened.get("stats0__stats1__value4"));
62         assertEquals(5, (int) (Integer) flattened.get("stats0__stats1__value5"));
63     }
64 }
65