1 /* 2 * Copyright (C) 2014 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 #include <input/InputTransport.h> 18 #include <input/Input.h> 19 20 namespace android { 21 22 #define CHECK_OFFSET(type, member, expected_offset) \ 23 static_assert((offsetof(type, member) == (expected_offset)), "") 24 25 struct Foo { 26 uint32_t dummy; 27 PointerCoords coords; 28 }; 29 30 void TestPointerCoordsAlignment() { 31 CHECK_OFFSET(Foo, coords, 8); 32 } 33 34 void TestInputMessageAlignment() { 35 CHECK_OFFSET(InputMessage, body, 8); 36 37 CHECK_OFFSET(InputMessage::Body::Key, seq, 0); 38 CHECK_OFFSET(InputMessage::Body::Key, eventTime, 8); 39 CHECK_OFFSET(InputMessage::Body::Key, deviceId, 16); 40 CHECK_OFFSET(InputMessage::Body::Key, source, 20); 41 CHECK_OFFSET(InputMessage::Body::Key, action, 24); 42 CHECK_OFFSET(InputMessage::Body::Key, flags, 28); 43 CHECK_OFFSET(InputMessage::Body::Key, keyCode, 32); 44 CHECK_OFFSET(InputMessage::Body::Key, scanCode, 36); 45 CHECK_OFFSET(InputMessage::Body::Key, metaState, 40); 46 CHECK_OFFSET(InputMessage::Body::Key, repeatCount, 44); 47 CHECK_OFFSET(InputMessage::Body::Key, downTime, 48); 48 49 CHECK_OFFSET(InputMessage::Body::Motion, seq, 0); 50 CHECK_OFFSET(InputMessage::Body::Motion, eventTime, 8); 51 CHECK_OFFSET(InputMessage::Body::Motion, deviceId, 16); 52 CHECK_OFFSET(InputMessage::Body::Motion, source, 20); 53 CHECK_OFFSET(InputMessage::Body::Motion, action, 24); 54 CHECK_OFFSET(InputMessage::Body::Motion, actionButton, 28); 55 CHECK_OFFSET(InputMessage::Body::Motion, flags, 32); 56 CHECK_OFFSET(InputMessage::Body::Motion, metaState, 36); 57 CHECK_OFFSET(InputMessage::Body::Motion, buttonState, 40); 58 CHECK_OFFSET(InputMessage::Body::Motion, edgeFlags, 44); 59 CHECK_OFFSET(InputMessage::Body::Motion, downTime, 48); 60 CHECK_OFFSET(InputMessage::Body::Motion, xOffset, 56); 61 CHECK_OFFSET(InputMessage::Body::Motion, yOffset, 60); 62 CHECK_OFFSET(InputMessage::Body::Motion, xPrecision, 64); 63 CHECK_OFFSET(InputMessage::Body::Motion, yPrecision, 68); 64 CHECK_OFFSET(InputMessage::Body::Motion, pointerCount, 72); 65 CHECK_OFFSET(InputMessage::Body::Motion, pointers, 80); 66 } 67 68 } // namespace android 69