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_GENERAL_TEST_TEST_H_ 18 #define _GTS_NANOAPPS_GENERAL_TEST_TEST_H_ 19 20 #include <shared/send_message.h> 21 22 #include <chre.h> 23 24 namespace general_test { 25 26 /** 27 * Abstract base for all test cases. 28 */ 29 class Test { 30 public: 31 Test(uint32_t minSupportedVersion); ~Test()32 virtual ~Test() {} 33 34 void testHandleEvent(uint32_t senderInstanceId, uint16_t eventType, 35 const void *eventData); 36 37 void testSetUp(uint32_t messageSize, const void *message); 38 39 protected: 40 /** 41 * Report a test-ending error due to an unexpectedEvent. 42 * This method halts execution on an unexpected event, 43 * and never returns. 44 * 45 * @param eventType The event type 46 */ 47 static void unexpectedEvent(uint16_t eventType); 48 49 /** 50 * Wrapper structure to store the current async request. 51 */ 52 struct chreAsyncRequest { 53 //! An opaque value that will be included in the chreAsyncResult 54 //! sent in relation to a chre async request. 55 const void *cookie; 56 57 //! A type of request. Same field as that in {@link #chreAsyncResult} 58 uint8_t requestType; 59 60 //! Timestamp when mading the request. 61 uint64_t requestTimeNs; 62 63 //! Timeout to receive the chre async result. 64 uint64_t timeoutNs; 65 }; 66 67 /** 68 * Reports a test-ending error due to failure in chreAsyncResult. 69 * 70 * 1. chre async result is not success. 71 * 2. chre async result success, but errorCode is not CHRE_ERROR_NONE. 72 * 3. request cookie mismatch. 73 * 4. requestType mismatch. 74 * 5. result timeout. 75 * 76 * @param result chreAsyncResult of an async request. 77 * @param request lastest chre async request. 78 */ 79 static void validateChreAsyncResult(const chreAsyncResult *result, 80 const chreAsyncRequest &request); 81 82 /** 83 * Get the message data sent from the host, after performing consistency 84 * checks. 85 * 86 * The method centralizes a number of common consistency checks that tests 87 * will perform in taking the given CHRE event data and extracting out 88 * the raw data payload sent by the host. This method is still useful 89 * when no message data is expected from the host, as we'll still 90 * perform the checks. 91 * 92 * This method will end the test in failure if any of the following happen: 93 * o 'senderInstanceId' != CHRE_INSTANCE_ID 94 * o 'eventType' != CHRE_EVENT_MESSAGE_FROM_HOST 95 * o 'eventData'->reservedMessageType != expectedMessageType 96 * o 'eventData'->messageSize != expectedMessageSize 97 * 98 * On passing all consistency checks, the message data can be expected 99 * to be in 'eventData->message' 100 * 101 * @param senderInstanceId From handleEvent() 102 * @param eventType From handleEvent() 103 * @param eventData From handleEvent() 104 * @param expectedMessageType The expected 'reservedMessageType' field 105 * when 'eventData' is seen as a chreMessageFromHostData. 106 * @param expectedMessageSize The expected 'messageSize' field 107 * when 'eventData' is seen as a chreMessageFromHostData. 108 */ 109 static const void *getMessageDataFromHostEvent( 110 uint32_t senderInstanceId, uint16_t eventType, const void *eventData, 111 nanoapp_testing::MessageType expectedMessageType, 112 uint32_t expectedMessageSize); 113 114 virtual void handleEvent(uint32_t senderInstanceId, uint16_t eventType, 115 const void *eventData) = 0; 116 virtual void setUp(uint32_t messageSize, const void *message) = 0; 117 118 /** 119 * The platform reported CHRE API version. 120 * 121 * Nanoapps may use this to determine what version they are running 122 * on and perform any version specific behaviours. 123 */ 124 const uint32_t mApiVersion; 125 126 private: 127 /** 128 * Is the nanoapp supported by the platform reported CHRE API version. 129 * 130 * Nanoapps specify the minimum CHRE API version required during 131 * construction. If it is at least the version that is being reported 132 * by the platform then mIsSupported will be true. Else, the nanoapp 133 * will skip the test. 134 */ 135 const bool mIsSupported; 136 }; 137 138 } // namespace general_test 139 140 #endif // _GTS_NANOAPPS_GENERAL_TEST_TEST_H_ 141