1 /*
2  * Copyright (C) 2016 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 #ifndef _GTS_NANOAPPS_SHARED_ABORT_H_
18 #define _GTS_NANOAPPS_SHARED_ABORT_H_
19 
20 #include <cstdint>
21 
22 namespace nanoapp_testing {
23 
24 /**
25  * Enumeration of what should be blamed for why the test was aborted.
26  */
27 enum class AbortBlame : uint16_t {
28   /**
29    * Most common failure mode, a presumed issue within the CHRE
30    * implementation.
31    *
32    * The test should have sent out an error message prior to aborting.
33    */
34   kChre = 0,
35 
36   /**
37    * A presumed issue within the CHRE implementation, discovered while
38    * in the nanoappEnd() method of the nanoapp.
39    *
40    * This differs from kChre in that we're not able to send out an
41    * error message prior to aborting, so we want a distinct value.
42    */
43   kChreInNanoappEnd = 1,
44 
45   /**
46    * A presumed bug in the test framework itself.
47    *
48    * The test should have sent out a kInternalError message prior to
49    * aborting.
50    */
51   kTestFramework = 2
52 };
53 
54 /**
55  * This should fatally abort the nanoapp, and hence the current test.
56  *
57  * This is useful in cases where we cannot proceed due to previous issues,
58  * or in cases where we want to make unambigously clear that we've
59  * experienced a failure.
60  *
61  * The presumption is that code will send out a message prior to calling
62  * this method, if at all practical.
63  *
64  * This will invoke chreAbort() with the code (0x10000 + uint16_t(reason)),
65  * preserving the lower two bytes for tests to use for testing of
66  * chreAbort().
67  *
68  * @param reason  Optional.  The appropriate AbortBlame.  Defaults to kChre.
69  * @returns This function should never return.
70  */
71 void abort(AbortBlame reason = AbortBlame::kChre);
72 
73 }  // namespace nanoapp_testing
74 
75 #endif  // _GTS_NANOAPPS_SHARED_ABORT_H_
76