InputChannel_test.cpp revision cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139
1ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown/* 2ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown * Copyright (C) 2010 The Android Open Source Project 3ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown * 4ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown * Licensed under the Apache License, Version 2.0 (the "License"); 5ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown * you may not use this file except in compliance with the License. 6ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown * You may obtain a copy of the License at 7ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown * 8ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown * http://www.apache.org/licenses/LICENSE-2.0 9ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown * 10ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown * Unless required by applicable law or agreed to in writing, software 11ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown * distributed under the License is distributed on an "AS IS" BASIS, 12ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown * See the License for the specific language governing permissions and 14ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown * limitations under the License. 15ebbd5d14ad3b1e762d9fcfa026e19413cc857e05Jeff Brown */ 165c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 175c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown#include <ui/InputTransport.h> 185c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown#include <utils/Timers.h> 195c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown#include <utils/StopWatch.h> 205c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown#include <gtest/gtest.h> 215c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown#include <unistd.h> 225c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown#include <time.h> 23cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown#include <errno.h> 245c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 255c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown#include "../../utils/tests/TestHelpers.h" 265c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 275c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brownnamespace android { 285c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 295c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brownclass InputChannelTest : public testing::Test { 305c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brownprotected: 315c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown virtual void SetUp() { } 325c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown virtual void TearDown() { } 335c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown}; 345c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 355c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 365c225b1680e696ae8bbf505a1997d6f720672f74Jeff BrownTEST_F(InputChannelTest, ConstructorAndDestructor_TakesOwnershipOfFileDescriptors) { 375c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown // Our purpose here is to verify that the input channel destructor closes the 38cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown // file descriptor provided to it. One easy way is to provide it with one end 395c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown // of a pipe and to check for EPIPE on the other end after the channel is destroyed. 40cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown Pipe pipe; 415c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 42cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown sp<InputChannel> inputChannel = new InputChannel(String8("channel name"), pipe.sendFd); 435c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 445c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown EXPECT_STREQ("channel name", inputChannel->getName().string()) 455c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown << "channel should have provided name"; 46cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown EXPECT_EQ(pipe.sendFd, inputChannel->getFd()) 47cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown << "channel should have provided fd"; 485c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 495c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown inputChannel.clear(); // destroys input channel 505c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 51cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown EXPECT_EQ(-EPIPE, pipe.readSignal()) 52cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown << "channel should have closed fd when destroyed"; 535c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 545c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown // clean up fds of Pipe endpoints that were closed so we don't try to close them again 55cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown pipe.sendFd = -1; 565c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown} 575c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 585c225b1680e696ae8bbf505a1997d6f720672f74Jeff BrownTEST_F(InputChannelTest, OpenInputChannelPair_ReturnsAPairOfConnectedChannels) { 595c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown sp<InputChannel> serverChannel, clientChannel; 605c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 615c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown status_t result = InputChannel::openInputChannelPair(String8("channel name"), 625c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown serverChannel, clientChannel); 635c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 645c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown ASSERT_EQ(OK, result) 655c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown << "should have successfully opened a channel pair"; 665c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 675c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown // Name 685c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown EXPECT_STREQ("channel name (server)", serverChannel->getName().string()) 695c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown << "server channel should have suffixed name"; 705c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown EXPECT_STREQ("channel name (client)", clientChannel->getName().string()) 715c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown << "client channel should have suffixed name"; 725c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 735c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown // Server->Client communication 74cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown InputMessage serverMsg; 75cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown memset(&serverMsg, 0, sizeof(InputMessage)); 76cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown serverMsg.header.type = InputMessage::TYPE_KEY; 77cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown serverMsg.body.key.action = AKEY_EVENT_ACTION_DOWN; 78cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown EXPECT_EQ(OK, serverChannel->sendMessage(&serverMsg)) 79cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown << "server channel should be able to send message to client channel"; 80cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown 81cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown InputMessage clientMsg; 82cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown EXPECT_EQ(OK, clientChannel->receiveMessage(&clientMsg)) 83cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown << "client channel should be able to receive message from server channel"; 84cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown EXPECT_EQ(serverMsg.header.type, clientMsg.header.type) 85cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown << "client channel should receive the correct message from server channel"; 86cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown EXPECT_EQ(serverMsg.body.key.action, clientMsg.body.key.action) 87cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown << "client channel should receive the correct message from server channel"; 885c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 895c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown // Client->Server communication 90cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown InputMessage clientReply; 91cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown memset(&clientReply, 0, sizeof(InputMessage)); 92cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown clientReply.header.type = InputMessage::TYPE_FINISHED; 93cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown clientReply.body.finished.handled = true; 94cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown EXPECT_EQ(OK, clientChannel->sendMessage(&clientReply)) 95cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown << "client channel should be able to send message to server channel"; 96cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown 97cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown InputMessage serverReply; 98cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown EXPECT_EQ(OK, serverChannel->receiveMessage(&serverReply)) 99cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown << "server channel should be able to receive message from client channel"; 100cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown EXPECT_EQ(clientReply.header.type, serverReply.header.type) 101cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown << "server channel should receive the correct message from client channel"; 102cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown EXPECT_EQ(clientReply.body.finished.handled, serverReply.body.finished.handled) 103cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown << "server channel should receive the correct message from client channel"; 1045c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown} 1055c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 1065c225b1680e696ae8bbf505a1997d6f720672f74Jeff BrownTEST_F(InputChannelTest, ReceiveSignal_WhenNoSignalPresent_ReturnsAnError) { 1075c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown sp<InputChannel> serverChannel, clientChannel; 1085c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 1095c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown status_t result = InputChannel::openInputChannelPair(String8("channel name"), 1105c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown serverChannel, clientChannel); 1115c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 1125c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown ASSERT_EQ(OK, result) 1135c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown << "should have successfully opened a channel pair"; 1145c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 115cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown InputMessage msg; 116cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown EXPECT_EQ(WOULD_BLOCK, clientChannel->receiveMessage(&msg)) 117cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown << "receiveMessage should have returned WOULD_BLOCK"; 1185c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown} 1195c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 1205c225b1680e696ae8bbf505a1997d6f720672f74Jeff BrownTEST_F(InputChannelTest, ReceiveSignal_WhenPeerClosed_ReturnsAnError) { 1215c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown sp<InputChannel> serverChannel, clientChannel; 1225c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 1235c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown status_t result = InputChannel::openInputChannelPair(String8("channel name"), 1245c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown serverChannel, clientChannel); 1255c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 1265c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown ASSERT_EQ(OK, result) 1275c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown << "should have successfully opened a channel pair"; 1285c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 1295c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown serverChannel.clear(); // close server channel 1305c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 131cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown InputMessage msg; 132cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown EXPECT_EQ(DEAD_OBJECT, clientChannel->receiveMessage(&msg)) 133cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown << "receiveMessage should have returned DEAD_OBJECT"; 1345c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown} 1355c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 1365c225b1680e696ae8bbf505a1997d6f720672f74Jeff BrownTEST_F(InputChannelTest, SendSignal_WhenPeerClosed_ReturnsAnError) { 1375c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown sp<InputChannel> serverChannel, clientChannel; 1385c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 1395c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown status_t result = InputChannel::openInputChannelPair(String8("channel name"), 1405c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown serverChannel, clientChannel); 1415c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 1425c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown ASSERT_EQ(OK, result) 1435c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown << "should have successfully opened a channel pair"; 1445c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 1455c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown serverChannel.clear(); // close server channel 1465c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 147cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown InputMessage msg; 148cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.header.type = InputMessage::TYPE_KEY; 149cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown EXPECT_EQ(DEAD_OBJECT, clientChannel->sendMessage(&msg)) 150cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown << "sendMessage should have returned DEAD_OBJECT"; 1515c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown} 1525c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 1535c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 1545c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown} // namespace android 155