1 /*
2  * Copyright (C) 2023 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 libcore.test.reasons;
18 
19 /**
20  * Reasons for {@link libcore.test.annotation.NonCts}.
21  */
22 public class NonCtsReasons {
23 
24     /**
25      * Internal APIs are not required to be tested in CTS. Even worse, it stops customization /
26      * method signature change even though they are internal APIs.
27      *
28      * Libcore's tests by default uses these internal APIs to verify the result.
29      *
30      * Occasionally, unit test for internal APIs are put into the CTS. This is the reason why
31      * you want to annotate the test with {@link libcore.test.annotation.NonCts}.
32      */
33     public static final String INTERNAL_APIS = "Test for internal APIs.";
34 
35     /**
36      * Some libcore's tests for i18n APIs, java.text, depends on locales and CLDR locale-specific
37      * data. However, the data is not stable, and usage changes over time, but the test often
38      * asserts the localized output.
39      *
40      * We don't want to stop customization or improvement of these data. This is the reason why
41      * you want to annotate the test with {@link libcore.test.annotation.NonCts}.
42      */
43     public static final String CLDR_DATA_DEPENDENCY = "The test depends on locale, but "
44             + "manufacturers / CLDR improves the locale data over time.";
45 
46     /**
47      * If a bug has been fixed, and the fix doesn't change the API contract,
48      * you can annotate the test with {@link libcore.test.annotation.NonCts} and this reason.
49      *
50      * This is mainly needed to fix a bug in an ART / Conscrypt / Time Zone module version
51      * and skip this test.
52      *
53      * Note that you still need a test for the basic API behavior, because every public API
54      * needs to be tested in CTS.
55      */
56     public static final String NON_BREAKING_BEHAVIOR_FIX = "The test asserts buggy or non-breaking "
57             + "behaviors, but the behavior has been fixed in a new mainline module version.";
58 
59 
NonCtsReasons()60     private NonCtsReasons() {}
61 }
62