1 /*
2  * Copyright (C) 2020 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 com.android.nn.crashtest.core;
18 
19 import android.content.Context;
20 import android.content.Intent;
21 
22 import java.util.Optional;
23 import java.util.concurrent.Callable;
24 
25 public interface CrashTest extends Callable<Optional<String>> {
26     String TAG = "CrashTest";
27 
28     interface ProgressListener {
29         // Notifies the listener that the crash test progressed for another step providing an
30         // optional description.
testProgress(Optional<String> message)31         void testProgress(Optional<String> message);
32     }
33 
init(Context context, Intent configParams, Optional<ProgressListener> progressListener)34     void init(Context context, Intent configParams, Optional<ProgressListener> progressListener);
35 
success()36     default Optional<String> success() { return Optional.empty(); }
failure(String reason)37     default Optional<String> failure(String reason) { return Optional.of(reason); }
isFailure(Optional<String> result)38     default boolean isFailure(Optional<String> result) { return result.isPresent(); }
39 }
40