LogTest.java revision 1a44d5dcabc18cd5ef111f732ccff91683a1a093 
1package android.util;
2
3import junit.framework.Assert;
4import junit.framework.TestCase;
5
6import android.os.SystemProperties;
7import android.test.PerformanceTestCase;
8import android.test.suitebuilder.annotation.Suppress;
9import android.util.Log;
10
11//This is an empty TestCase.
12@Suppress
13public class LogTest extends TestCase {
14    private static final String PROPERTY_TAG = "log.tag.LogTest";
15    private static final String LOG_TAG = "LogTest";
16
17
18    // TODO: remove this test once we uncomment out the following test.
19    public void testLogTestDummy() {
20      return;
21    }
22
23
24    /* TODO: This test is commented out because we will not be able to set properities. Fix the test.
25    public void testIsLoggable() {
26        // First clear any SystemProperty setting for our test key.
27        SystemProperties.set(PROPERTY_TAG, null);
28
29        String value = SystemProperties.get(PROPERTY_TAG);
30        Assert.assertTrue(value == null || value.length() == 0);
31
32        // Check to make sure that all levels expect for INFO, WARN, ERROR, and ASSERT are loggable.
33        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.VERBOSE));
34        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.DEBUG));
35        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.INFO));
36        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.WARN));
37        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.ERROR));
38        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.ASSERT));
39
40        // Set the log level to be VERBOSE for this tag.
41        SystemProperties.set(PROPERTY_TAG, "VERBOSE");
42
43        // Test to make sure all log levels >= VERBOSE are loggable.
44        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.VERBOSE));
45        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.DEBUG));
46        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.INFO));
47        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.WARN));
48        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.ERROR));
49        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.ASSERT));
50
51        // Set the log level to be DEBUG for this tag.
52        SystemProperties.set(PROPERTY_TAG, "DEBUG");
53
54        // Test to make sure all log levels >= DEBUG are loggable.
55        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.VERBOSE));
56        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.DEBUG));
57        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.INFO));
58        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.WARN));
59        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.ERROR));
60        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.ASSERT));
61
62        // Set the log level to be INFO for this tag.
63        SystemProperties.set(PROPERTY_TAG, "INFO");
64
65        // Test to make sure all log levels >= INFO are loggable.
66        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.VERBOSE));
67        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.DEBUG));
68        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.INFO));
69        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.WARN));
70        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.ERROR));
71        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.ASSERT));
72
73        // Set the log level to be WARN for this tag.
74        SystemProperties.set(PROPERTY_TAG, "WARN");
75
76        // Test to make sure all log levels >= WARN are loggable.
77        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.VERBOSE));
78        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.DEBUG));
79        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.INFO));
80        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.WARN));
81        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.ERROR));
82        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.ASSERT));
83
84        // Set the log level to be ERROR for this tag.
85        SystemProperties.set(PROPERTY_TAG, "ERROR");
86
87        // Test to make sure all log levels >= ERROR are loggable.
88        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.VERBOSE));
89        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.DEBUG));
90        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.INFO));
91        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.WARN));
92        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.ERROR));
93        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.ASSERT));
94
95        // Set the log level to be ASSERT for this tag.
96        SystemProperties.set(PROPERTY_TAG, "ASSERT");
97
98        // Test to make sure all log levels >= ASSERT are loggable.
99        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.VERBOSE));
100        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.DEBUG));
101        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.INFO));
102        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.WARN));
103        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.ERROR));
104        Assert.assertTrue(Log.isLoggable(LOG_TAG, Log.ASSERT));
105
106        // Set the log level to be SUPPRESS for this tag.
107        SystemProperties.set(PROPERTY_TAG, "SUPPRESS");
108
109        // Test to make sure all log levels >= ASSERT are loggable.
110        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.VERBOSE));
111        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.DEBUG));
112        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.INFO));
113        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.WARN));
114        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.ERROR));
115        Assert.assertFalse(Log.isLoggable(LOG_TAG, Log.ASSERT));
116    }
117    */
118
119    public static class PerformanceTest extends TestCase implements PerformanceTestCase {
120        private static final int ITERATIONS = 1000;
121
122        @Override
123        public void setUp() {
124            SystemProperties.set(LOG_TAG, "VERBOSE");
125        }
126
127        public boolean isPerformanceOnly() {
128            return true;
129        }
130
131        public int startPerformance(PerformanceTestCase.Intermediates intermediates) {
132            intermediates.setInternalIterations(ITERATIONS * 10);
133            return 0;
134        }
135
136        public void testIsLoggable() {
137            boolean canLog = false;
138            for (int i = ITERATIONS - 1; i >= 0; i--) {
139                canLog = Log.isLoggable(LOG_TAG, Log.VERBOSE);
140                canLog = Log.isLoggable(LOG_TAG, Log.VERBOSE);
141                canLog = Log.isLoggable(LOG_TAG, Log.VERBOSE);
142                canLog = Log.isLoggable(LOG_TAG, Log.VERBOSE);
143                canLog = Log.isLoggable(LOG_TAG, Log.VERBOSE);
144                canLog = Log.isLoggable(LOG_TAG, Log.VERBOSE);
145                canLog = Log.isLoggable(LOG_TAG, Log.VERBOSE);
146                canLog = Log.isLoggable(LOG_TAG, Log.VERBOSE);
147                canLog = Log.isLoggable(LOG_TAG, Log.VERBOSE);
148                canLog = Log.isLoggable(LOG_TAG, Log.VERBOSE);
149            }
150        }
151    }
152}
153