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231 lines
8.8 KiB
231 lines
8.8 KiB
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <array>
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#include "TestHelpers.h"
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#include <unistd.h>
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#include <time.h>
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#include <errno.h>
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#include <binder/Binder.h>
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#include <binder/Parcel.h>
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#include <gtest/gtest.h>
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#include <input/InputTransport.h>
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#include <utils/StopWatch.h>
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#include <utils/StrongPointer.h>
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#include <utils/Timers.h>
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namespace android {
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class InputChannelTest : public testing::Test {
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};
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TEST_F(InputChannelTest, ConstructorAndDestructor_TakesOwnershipOfFileDescriptors) {
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// Our purpose here is to verify that the input channel destructor closes the
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// file descriptor provided to it. One easy way is to provide it with one end
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// of a pipe and to check for EPIPE on the other end after the channel is destroyed.
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Pipe pipe;
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android::base::unique_fd sendFd(pipe.sendFd);
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std::unique_ptr<InputChannel> inputChannel =
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InputChannel::create("channel name", std::move(sendFd), new BBinder());
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EXPECT_NE(inputChannel, nullptr) << "channel should be successfully created";
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EXPECT_STREQ("channel name", inputChannel->getName().c_str())
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<< "channel should have provided name";
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EXPECT_NE(-1, inputChannel->getFd()) << "channel should have valid fd";
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// InputChannel should be the owner of the file descriptor now
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ASSERT_FALSE(sendFd.ok());
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}
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TEST_F(InputChannelTest, SetAndGetToken) {
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Pipe pipe;
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sp<IBinder> token = new BBinder();
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std::unique_ptr<InputChannel> channel =
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InputChannel::create("test channel", android::base::unique_fd(pipe.sendFd), token);
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EXPECT_EQ(token, channel->getConnectionToken());
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}
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TEST_F(InputChannelTest, OpenInputChannelPair_ReturnsAPairOfConnectedChannels) {
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std::unique_ptr<InputChannel> serverChannel, clientChannel;
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status_t result = InputChannel::openInputChannelPair("channel name",
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serverChannel, clientChannel);
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ASSERT_EQ(OK, result)
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<< "should have successfully opened a channel pair";
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// Name
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EXPECT_STREQ("channel name (server)", serverChannel->getName().c_str())
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<< "server channel should have suffixed name";
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EXPECT_STREQ("channel name (client)", clientChannel->getName().c_str())
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<< "client channel should have suffixed name";
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// Server->Client communication
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InputMessage serverMsg;
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memset(&serverMsg, 0, sizeof(InputMessage));
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serverMsg.header.type = InputMessage::Type::KEY;
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serverMsg.body.key.action = AKEY_EVENT_ACTION_DOWN;
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EXPECT_EQ(OK, serverChannel->sendMessage(&serverMsg))
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<< "server channel should be able to send message to client channel";
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InputMessage clientMsg;
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EXPECT_EQ(OK, clientChannel->receiveMessage(&clientMsg))
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<< "client channel should be able to receive message from server channel";
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EXPECT_EQ(serverMsg.header.type, clientMsg.header.type)
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<< "client channel should receive the correct message from server channel";
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EXPECT_EQ(serverMsg.body.key.action, clientMsg.body.key.action)
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<< "client channel should receive the correct message from server channel";
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// Client->Server communication
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InputMessage clientReply;
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memset(&clientReply, 0, sizeof(InputMessage));
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clientReply.header.type = InputMessage::Type::FINISHED;
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clientReply.header.seq = 0x11223344;
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clientReply.body.finished.handled = true;
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EXPECT_EQ(OK, clientChannel->sendMessage(&clientReply))
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<< "client channel should be able to send message to server channel";
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InputMessage serverReply;
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EXPECT_EQ(OK, serverChannel->receiveMessage(&serverReply))
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<< "server channel should be able to receive message from client channel";
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EXPECT_EQ(clientReply.header.type, serverReply.header.type)
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<< "server channel should receive the correct message from client channel";
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EXPECT_EQ(clientReply.header.seq, serverReply.header.seq)
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<< "server channel should receive the correct message from client channel";
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EXPECT_EQ(clientReply.body.finished.handled, serverReply.body.finished.handled)
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<< "server channel should receive the correct message from client channel";
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}
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TEST_F(InputChannelTest, ReceiveSignal_WhenNoSignalPresent_ReturnsAnError) {
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std::unique_ptr<InputChannel> serverChannel, clientChannel;
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status_t result = InputChannel::openInputChannelPair("channel name",
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serverChannel, clientChannel);
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ASSERT_EQ(OK, result)
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<< "should have successfully opened a channel pair";
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InputMessage msg;
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EXPECT_EQ(WOULD_BLOCK, clientChannel->receiveMessage(&msg))
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<< "receiveMessage should have returned WOULD_BLOCK";
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}
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TEST_F(InputChannelTest, ReceiveSignal_WhenPeerClosed_ReturnsAnError) {
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std::unique_ptr<InputChannel> serverChannel, clientChannel;
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status_t result = InputChannel::openInputChannelPair("channel name",
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serverChannel, clientChannel);
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ASSERT_EQ(OK, result)
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<< "should have successfully opened a channel pair";
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serverChannel.reset(); // close server channel
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InputMessage msg;
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EXPECT_EQ(DEAD_OBJECT, clientChannel->receiveMessage(&msg))
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<< "receiveMessage should have returned DEAD_OBJECT";
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}
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TEST_F(InputChannelTest, SendSignal_WhenPeerClosed_ReturnsAnError) {
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std::unique_ptr<InputChannel> serverChannel, clientChannel;
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status_t result = InputChannel::openInputChannelPair("channel name",
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serverChannel, clientChannel);
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ASSERT_EQ(OK, result)
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<< "should have successfully opened a channel pair";
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serverChannel.reset(); // close server channel
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InputMessage msg;
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msg.header.type = InputMessage::Type::KEY;
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EXPECT_EQ(DEAD_OBJECT, clientChannel->sendMessage(&msg))
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<< "sendMessage should have returned DEAD_OBJECT";
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}
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TEST_F(InputChannelTest, SendAndReceive_MotionClassification) {
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std::unique_ptr<InputChannel> serverChannel, clientChannel;
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status_t result = InputChannel::openInputChannelPair("channel name",
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serverChannel, clientChannel);
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ASSERT_EQ(OK, result)
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<< "should have successfully opened a channel pair";
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std::array<MotionClassification, 3> classifications = {
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MotionClassification::NONE,
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MotionClassification::AMBIGUOUS_GESTURE,
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MotionClassification::DEEP_PRESS,
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};
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InputMessage serverMsg = {}, clientMsg;
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serverMsg.header.type = InputMessage::Type::MOTION;
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serverMsg.header.seq = 1;
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serverMsg.body.motion.pointerCount = 1;
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for (MotionClassification classification : classifications) {
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// Send and receive a message with classification
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serverMsg.body.motion.classification = classification;
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EXPECT_EQ(OK, serverChannel->sendMessage(&serverMsg))
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<< "server channel should be able to send message to client channel";
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EXPECT_EQ(OK, clientChannel->receiveMessage(&clientMsg))
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<< "client channel should be able to receive message from server channel";
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EXPECT_EQ(serverMsg.header.type, clientMsg.header.type);
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EXPECT_EQ(classification, clientMsg.body.motion.classification) <<
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"Expected to receive " << motionClassificationToString(classification);
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}
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}
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TEST_F(InputChannelTest, InputChannelParcelAndUnparcel) {
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std::unique_ptr<InputChannel> serverChannel, clientChannel;
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status_t result =
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InputChannel::openInputChannelPair("channel parceling", serverChannel, clientChannel);
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ASSERT_EQ(OK, result) << "should have successfully opened a channel pair";
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InputChannel chan;
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Parcel parcel;
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ASSERT_EQ(OK, serverChannel->writeToParcel(&parcel));
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parcel.setDataPosition(0);
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chan.readFromParcel(&parcel);
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EXPECT_EQ(chan == *serverChannel, true)
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<< "inputchannel should be equal after parceling and unparceling.\n"
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<< "name " << chan.getName() << " name " << serverChannel->getName();
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}
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TEST_F(InputChannelTest, DuplicateChannelAndAssertEqual) {
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std::unique_ptr<InputChannel> serverChannel, clientChannel;
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status_t result =
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InputChannel::openInputChannelPair("channel dup", serverChannel, clientChannel);
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ASSERT_EQ(OK, result) << "should have successfully opened a channel pair";
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std::unique_ptr<InputChannel> dupChan = serverChannel->dup();
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EXPECT_EQ(*serverChannel == *dupChan, true) << "inputchannel should be equal after duplication";
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}
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} // namespace android
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