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      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 /**
     18  * Trivial nanoapp which fails on startup.
     19  *
     20  * Non-trivial nanoapp tests may indicate early failure by failing the
     21  * nanoappStart() method.  This test assures that those failures are
     22  * properly reported by the CHRE, so we know our other test failures will
     23  * be caught.
     24  */
     25 
     26 #include <cstdint>
     27 
     28 #include <chre.h>
     29 
     30 #include <shared/abort.h>
     31 
     32 extern "C" void nanoappHandleEvent(uint32_t /* senderInstanceId */,
     33                                    uint16_t /* eventType */,
     34                                    const void* /* eventData */) {
     35   // Intentionally do nothing.
     36 }
     37 
     38 extern "C" bool nanoappStart(void) {
     39   // Return failure
     40   return false;
     41 }
     42 
     43 extern "C" void nanoappEnd(void) {
     44   // It is an error for the CHRE to call this method.
     45   nanoapp_testing::abort(nanoapp_testing::AbortBlame::kChreInNanoappEnd);
     46 }
     47