1/*
2 * Copyright (C) 2007 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
17package android.util;
18
19import com.google.android.collect.Lists;
20
21import junit.framework.Assert;
22import junit.framework.TestCase;
23
24import java.nio.ByteBuffer;
25import java.nio.ByteOrder;
26
27/**
28 * tests for {@link EventLog}
29 */
30
31public class EventLogTest extends TestCase {
32    private static final int TEST_TAG = 42;
33
34    public void testIllegalListTypesThrowException() throws Exception {
35        try {
36            EventLog.writeEvent(TEST_TAG, new EventLog.List(new Object()));
37            fail("Can't create List with any old Object");
38        } catch (IllegalArgumentException e) {
39            // expected
40        }
41        try {
42            EventLog.writeEvent(TEST_TAG, new EventLog.List((byte) 1));
43            fail("Can't create List with any old byte");
44        } catch (IllegalArgumentException e) {
45            // expected
46        }
47    }
48
49    void assertIntInByteArrayEquals(int expected, byte[] buf, int pos) {
50        ByteBuffer computedBuf = ByteBuffer.wrap(buf).order(ByteOrder.nativeOrder());
51        int computed = computedBuf.getInt(pos);
52        Assert.assertEquals(expected, computed);
53    }
54
55    void assertLongInByteArrayEquals(long expected, byte[] buf, int pos) {
56        ByteBuffer computedBuf = ByteBuffer.wrap(buf).order(ByteOrder.nativeOrder());
57        long computed = computedBuf.getLong(pos);
58        Assert.assertEquals(expected, computed);
59    }
60
61    void assertStringInByteArrayEquals(String expected, byte[] buf, int pos) {
62        byte[] expectedBytes = expected.getBytes();
63        Assert.assertTrue(expectedBytes.length <= buf.length - pos);
64        for (byte expectedByte : expectedBytes) {
65            Assert.assertEquals(expectedByte, buf[pos++]);
66        }
67    }
68}
69