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 "TestHelpers.h" 18 19 #include <unistd.h> 20 #include <time.h> 21 #include <errno.h> 22 23 #include <gtest/gtest.h> 24 #include <input/InputTransport.h> 25 #include <utils/Timers.h> 26 #include <utils/StopWatch.h> 27 #include <utils/StrongPointer.h> 28 29 namespace android { 30 31 class InputChannelTest : public testing::Test { 32 protected: 33 virtual void SetUp() { } 34 virtual void TearDown() { } 35 }; 36 37 38 TEST_F(InputChannelTest, ConstructorAndDestructor_TakesOwnershipOfFileDescriptors) { 39 // Our purpose here is to verify that the input channel destructor closes the 40 // file descriptor provided to it. One easy way is to provide it with one end 41 // of a pipe and to check for EPIPE on the other end after the channel is destroyed. 42 Pipe pipe; 43 44 sp<InputChannel> inputChannel = new InputChannel(String8("channel name"), pipe.sendFd); 45 46 EXPECT_STREQ("channel name", inputChannel->getName().string()) 47 << "channel should have provided name"; 48 EXPECT_EQ(pipe.sendFd, inputChannel->getFd()) 49 << "channel should have provided fd"; 50 51 inputChannel.clear(); // destroys input channel 52 53 EXPECT_EQ(-EPIPE, pipe.readSignal()) 54 << "channel should have closed fd when destroyed"; 55 56 // clean up fds of Pipe endpoints that were closed so we don't try to close them again 57 pipe.sendFd = -1; 58 } 59 60 TEST_F(InputChannelTest, OpenInputChannelPair_ReturnsAPairOfConnectedChannels) { 61 sp<InputChannel> serverChannel, clientChannel; 62 63 status_t result = InputChannel::openInputChannelPair(String8("channel name"), 64 serverChannel, clientChannel); 65 66 ASSERT_EQ(OK, result) 67 << "should have successfully opened a channel pair"; 68 69 // Name 70 EXPECT_STREQ("channel name (server)", serverChannel->getName().string()) 71 << "server channel should have suffixed name"; 72 EXPECT_STREQ("channel name (client)", clientChannel->getName().string()) 73 << "client channel should have suffixed name"; 74 75 // Server->Client communication 76 InputMessage serverMsg; 77 memset(&serverMsg, 0, sizeof(InputMessage)); 78 serverMsg.header.type = InputMessage::TYPE_KEY; 79 serverMsg.body.key.action = AKEY_EVENT_ACTION_DOWN; 80 EXPECT_EQ(OK, serverChannel->sendMessage(&serverMsg)) 81 << "server channel should be able to send message to client channel"; 82 83 InputMessage clientMsg; 84 EXPECT_EQ(OK, clientChannel->receiveMessage(&clientMsg)) 85 << "client channel should be able to receive message from server channel"; 86 EXPECT_EQ(serverMsg.header.type, clientMsg.header.type) 87 << "client channel should receive the correct message from server channel"; 88 EXPECT_EQ(serverMsg.body.key.action, clientMsg.body.key.action) 89 << "client channel should receive the correct message from server channel"; 90 91 // Client->Server communication 92 InputMessage clientReply; 93 memset(&clientReply, 0, sizeof(InputMessage)); 94 clientReply.header.type = InputMessage::TYPE_FINISHED; 95 clientReply.body.finished.seq = 0x11223344; 96 clientReply.body.finished.handled = true; 97 EXPECT_EQ(OK, clientChannel->sendMessage(&clientReply)) 98 << "client channel should be able to send message to server channel"; 99 100 InputMessage serverReply; 101 EXPECT_EQ(OK, serverChannel->receiveMessage(&serverReply)) 102 << "server channel should be able to receive message from client channel"; 103 EXPECT_EQ(clientReply.header.type, serverReply.header.type) 104 << "server channel should receive the correct message from client channel"; 105 EXPECT_EQ(clientReply.body.finished.seq, serverReply.body.finished.seq) 106 << "server channel should receive the correct message from client channel"; 107 EXPECT_EQ(clientReply.body.finished.handled, serverReply.body.finished.handled) 108 << "server channel should receive the correct message from client channel"; 109 } 110 111 TEST_F(InputChannelTest, ReceiveSignal_WhenNoSignalPresent_ReturnsAnError) { 112 sp<InputChannel> serverChannel, clientChannel; 113 114 status_t result = InputChannel::openInputChannelPair(String8("channel name"), 115 serverChannel, clientChannel); 116 117 ASSERT_EQ(OK, result) 118 << "should have successfully opened a channel pair"; 119 120 InputMessage msg; 121 EXPECT_EQ(WOULD_BLOCK, clientChannel->receiveMessage(&msg)) 122 << "receiveMessage should have returned WOULD_BLOCK"; 123 } 124 125 TEST_F(InputChannelTest, ReceiveSignal_WhenPeerClosed_ReturnsAnError) { 126 sp<InputChannel> serverChannel, clientChannel; 127 128 status_t result = InputChannel::openInputChannelPair(String8("channel name"), 129 serverChannel, clientChannel); 130 131 ASSERT_EQ(OK, result) 132 << "should have successfully opened a channel pair"; 133 134 serverChannel.clear(); // close server channel 135 136 InputMessage msg; 137 EXPECT_EQ(DEAD_OBJECT, clientChannel->receiveMessage(&msg)) 138 << "receiveMessage should have returned DEAD_OBJECT"; 139 } 140 141 TEST_F(InputChannelTest, SendSignal_WhenPeerClosed_ReturnsAnError) { 142 sp<InputChannel> serverChannel, clientChannel; 143 144 status_t result = InputChannel::openInputChannelPair(String8("channel name"), 145 serverChannel, clientChannel); 146 147 ASSERT_EQ(OK, result) 148 << "should have successfully opened a channel pair"; 149 150 serverChannel.clear(); // close server channel 151 152 InputMessage msg; 153 msg.header.type = InputMessage::TYPE_KEY; 154 EXPECT_EQ(DEAD_OBJECT, clientChannel->sendMessage(&msg)) 155 << "sendMessage should have returned DEAD_OBJECT"; 156 } 157 158 159 } // namespace android 160
