1/*
2 * Copyright (C) 2008 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.os;
18
19import android.os.Build;
20import android.test.suitebuilder.annotation.SmallTest;
21import android.util.Log;
22import junit.framework.Assert;
23import junit.framework.TestCase;
24
25/**
26 * Provides test cases for android.os.Build and, in turn, many of the
27 * system properties set by the build system.
28 */
29public class BuildTest extends TestCase {
30
31    private static final String TAG = "BuildTest";
32
33    /**
34     * Asserts that a String is non-null and non-empty.  If it is not,
35     * an AssertionFailedError is thrown with the given message.
36     */
37    private static void assertNotEmpty(String message, String string) {
38        //Log.i(TAG, "" + message + ": " + string);
39        assertNotNull(message, string);
40        assertFalse(message, string.equals(""));
41    }
42
43    /**
44     * Asserts that a String is non-null and non-empty.  If it is not,
45     * an AssertionFailedError is thrown.
46     */
47    private static void assertNotEmpty(String string) {
48        assertNotEmpty(null, string);
49    }
50
51    /**
52     * Asserts that all android.os.Build fields are non-empty and/or in a valid range.
53     */
54    @SmallTest
55    public void testBuildFields() throws Exception {
56        assertNotEmpty("ID", Build.ID);
57        assertNotEmpty("DISPLAY", Build.DISPLAY);
58        assertNotEmpty("PRODUCT", Build.PRODUCT);
59        assertNotEmpty("DEVICE", Build.DEVICE);
60        assertNotEmpty("BOARD", Build.BOARD);
61        assertNotEmpty("BRAND", Build.BRAND);
62        assertNotEmpty("MODEL", Build.MODEL);
63        assertNotEmpty("VERSION.INCREMENTAL", Build.VERSION.INCREMENTAL);
64        assertNotEmpty("VERSION.RELEASE", Build.VERSION.RELEASE);
65        assertNotEmpty("TYPE", Build.TYPE);
66        Assert.assertNotNull("TAGS", Build.TAGS); // TAGS is allowed to be empty.
67        assertNotEmpty("FINGERPRINT", Build.FINGERPRINT);
68        Assert.assertTrue("TIME", Build.TIME > 0);
69        assertNotEmpty("USER", Build.USER);
70        assertNotEmpty("HOST", Build.HOST);
71
72        // TODO: if any of the android.os.Build fields have additional constraints
73        // (e.g., must be a C identifier, must be a valid filename, must not contain any spaces)
74        // add tests for them.
75    }
76}
77