1 /* 2 * Copyright (C) 2010 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 <array> 18 19 #include "TestHelpers.h" 20 21 #include <unistd.h> 22 #include <time.h> 23 #include <errno.h> 24 25 #include <gtest/gtest.h> 26 #include <input/InputTransport.h> 27 #include <utils/Timers.h> 28 #include <utils/StopWatch.h> 29 #include <utils/StrongPointer.h> 30 31 namespace android { 32 33 class InputChannelTest : public testing::Test { 34 protected: 35 virtual void SetUp() { } 36 virtual void TearDown() { } 37 }; 38 39 40 TEST_F(InputChannelTest, ConstructorAndDestructor_TakesOwnershipOfFileDescriptors) { 41 // Our purpose here is to verify that the input channel destructor closes the 42 // file descriptor provided to it. One easy way is to provide it with one end 43 // of a pipe and to check for EPIPE on the other end after the channel is destroyed. 44 Pipe pipe; 45 46 sp<InputChannel> inputChannel = new InputChannel("channel name", pipe.sendFd); 47 48 EXPECT_STREQ("channel name", inputChannel->getName().c_str()) 49 << "channel should have provided name"; 50 EXPECT_EQ(pipe.sendFd, inputChannel->getFd()) 51 << "channel should have provided fd"; 52 53 inputChannel.clear(); // destroys input channel 54 55 EXPECT_EQ(-EPIPE, pipe.readSignal()) 56 << "channel should have closed fd when destroyed"; 57 58 // clean up fds of Pipe endpoints that were closed so we don't try to close them again 59 pipe.sendFd = -1; 60 } 61 62 TEST_F(InputChannelTest, OpenInputChannelPair_ReturnsAPairOfConnectedChannels) { 63 sp<InputChannel> serverChannel, clientChannel; 64 65 status_t result = InputChannel::openInputChannelPair("channel name", 66 serverChannel, clientChannel); 67 68 ASSERT_EQ(OK, result) 69 << "should have successfully opened a channel pair"; 70 71 // Name 72 EXPECT_STREQ("channel name (server)", serverChannel->getName().c_str()) 73 << "server channel should have suffixed name"; 74 EXPECT_STREQ("channel name (client)", clientChannel->getName().c_str()) 75 << "client channel should have suffixed name"; 76 77 // Server->Client communication 78 InputMessage serverMsg; 79 memset(&serverMsg, 0, sizeof(InputMessage)); 80 serverMsg.header.type = InputMessage::TYPE_KEY; 81 serverMsg.body.key.action = AKEY_EVENT_ACTION_DOWN; 82 EXPECT_EQ(OK, serverChannel->sendMessage(&serverMsg)) 83 << "server channel should be able to send message to client channel"; 84 85 InputMessage clientMsg; 86 EXPECT_EQ(OK, clientChannel->receiveMessage(&clientMsg)) 87 << "client channel should be able to receive message from server channel"; 88 EXPECT_EQ(serverMsg.header.type, clientMsg.header.type) 89 << "client channel should receive the correct message from server channel"; 90 EXPECT_EQ(serverMsg.body.key.action, clientMsg.body.key.action) 91 << "client channel should receive the correct message from server channel"; 92 93 // Client->Server communication 94 InputMessage clientReply; 95 memset(&clientReply, 0, sizeof(InputMessage)); 96 clientReply.header.type = InputMessage::TYPE_FINISHED; 97 clientReply.body.finished.seq = 0x11223344; 98 clientReply.body.finished.handled = true; 99 EXPECT_EQ(OK, clientChannel->sendMessage(&clientReply)) 100 << "client channel should be able to send message to server channel"; 101 102 InputMessage serverReply; 103 EXPECT_EQ(OK, serverChannel->receiveMessage(&serverReply)) 104 << "server channel should be able to receive message from client channel"; 105 EXPECT_EQ(clientReply.header.type, serverReply.header.type) 106 << "server channel should receive the correct message from client channel"; 107 EXPECT_EQ(clientReply.body.finished.seq, serverReply.body.finished.seq) 108 << "server channel should receive the correct message from client channel"; 109 EXPECT_EQ(clientReply.body.finished.handled, serverReply.body.finished.handled) 110 << "server channel should receive the correct message from client channel"; 111 } 112 113 TEST_F(InputChannelTest, ReceiveSignal_WhenNoSignalPresent_ReturnsAnError) { 114 sp<InputChannel> serverChannel, clientChannel; 115 116 status_t result = InputChannel::openInputChannelPair("channel name", 117 serverChannel, clientChannel); 118 119 ASSERT_EQ(OK, result) 120 << "should have successfully opened a channel pair"; 121 122 InputMessage msg; 123 EXPECT_EQ(WOULD_BLOCK, clientChannel->receiveMessage(&msg)) 124 << "receiveMessage should have returned WOULD_BLOCK"; 125 } 126 127 TEST_F(InputChannelTest, ReceiveSignal_WhenPeerClosed_ReturnsAnError) { 128 sp<InputChannel> serverChannel, clientChannel; 129 130 status_t result = InputChannel::openInputChannelPair("channel name", 131 serverChannel, clientChannel); 132 133 ASSERT_EQ(OK, result) 134 << "should have successfully opened a channel pair"; 135 136 serverChannel.clear(); // close server channel 137 138 InputMessage msg; 139 EXPECT_EQ(DEAD_OBJECT, clientChannel->receiveMessage(&msg)) 140 << "receiveMessage should have returned DEAD_OBJECT"; 141 } 142 143 TEST_F(InputChannelTest, SendSignal_WhenPeerClosed_ReturnsAnError) { 144 sp<InputChannel> serverChannel, clientChannel; 145 146 status_t result = InputChannel::openInputChannelPair("channel name", 147 serverChannel, clientChannel); 148 149 ASSERT_EQ(OK, result) 150 << "should have successfully opened a channel pair"; 151 152 serverChannel.clear(); // close server channel 153 154 InputMessage msg; 155 msg.header.type = InputMessage::TYPE_KEY; 156 EXPECT_EQ(DEAD_OBJECT, clientChannel->sendMessage(&msg)) 157 << "sendMessage should have returned DEAD_OBJECT"; 158 } 159 160 TEST_F(InputChannelTest, SendAndReceive_MotionClassification) { 161 sp<InputChannel> serverChannel, clientChannel; 162 status_t result = InputChannel::openInputChannelPair("channel name", 163 serverChannel, clientChannel); 164 ASSERT_EQ(OK, result) 165 << "should have successfully opened a channel pair"; 166 167 std::array<MotionClassification, 3> classifications = { 168 MotionClassification::NONE, 169 MotionClassification::AMBIGUOUS_GESTURE, 170 MotionClassification::DEEP_PRESS, 171 }; 172 173 InputMessage serverMsg = {}, clientMsg; 174 serverMsg.header.type = InputMessage::TYPE_MOTION; 175 serverMsg.body.motion.seq = 1; 176 serverMsg.body.motion.pointerCount = 1; 177 178 for (MotionClassification classification : classifications) { 179 // Send and receive a message with classification 180 serverMsg.body.motion.classification = classification; 181 EXPECT_EQ(OK, serverChannel->sendMessage(&serverMsg)) 182 << "server channel should be able to send message to client channel"; 183 184 EXPECT_EQ(OK, clientChannel->receiveMessage(&clientMsg)) 185 << "client channel should be able to receive message from server channel"; 186 EXPECT_EQ(serverMsg.header.type, clientMsg.header.type); 187 EXPECT_EQ(classification, clientMsg.body.motion.classification) << 188 "Expected to receive " << motionClassificationToString(classification); 189 } 190 } 191 192 193 } // namespace android 194
