Move input library code from frameworks/base.

Change-Id: I4983db61b53e28479fc90d9211fafff68f7f49a6

1 files changed, 159 insertions, 0 deletions

diff --git a/libs/input/tests/InputChannel_test.cpp b/libs/input/tests/InputChannel_test.cpp
new file mode 100644
index 0000000..e71ebe2
--- /dev/null
+++ b/libs/input/tests/InputChannel_test.cpp
@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "TestHelpers.h"
+
+#include <unistd.h>
+#include <time.h>
+#include <errno.h>
+
+#include <gtest/gtest.h>
+#include <input/InputTransport.h>
+#include <utils/Timers.h>
+#include <utils/StopWatch.h>
+#include <utils/StrongPointer.h>
+
+namespace android {
+
+class InputChannelTest : public testing::Test {
+protected:
+    virtual void SetUp() { }
+    virtual void TearDown() { }
+};
+
+
+TEST_F(InputChannelTest, ConstructorAndDestructor_TakesOwnershipOfFileDescriptors) {
+    // Our purpose here is to verify that the input channel destructor closes the
+    // file descriptor provided to it.  One easy way is to provide it with one end
+    // of a pipe and to check for EPIPE on the other end after the channel is destroyed.
+    Pipe pipe;
+
+    sp<InputChannel> inputChannel = new InputChannel(String8("channel name"), pipe.sendFd);
+
+    EXPECT_STREQ("channel name", inputChannel->getName().string())
+            << "channel should have provided name";
+    EXPECT_EQ(pipe.sendFd, inputChannel->getFd())
+            << "channel should have provided fd";
+
+    inputChannel.clear(); // destroys input channel
+
+    EXPECT_EQ(-EPIPE, pipe.readSignal())
+            << "channel should have closed fd when destroyed";
+
+    // clean up fds of Pipe endpoints that were closed so we don't try to close them again
+    pipe.sendFd = -1;
+}
+
+TEST_F(InputChannelTest, OpenInputChannelPair_ReturnsAPairOfConnectedChannels) {
+    sp<InputChannel> serverChannel, clientChannel;
+
+    status_t result = InputChannel::openInputChannelPair(String8("channel name"),
+            serverChannel, clientChannel);
+
+    ASSERT_EQ(OK, result)
+            << "should have successfully opened a channel pair";
+
+    // Name
+    EXPECT_STREQ("channel name (server)", serverChannel->getName().string())
+            << "server channel should have suffixed name";
+    EXPECT_STREQ("channel name (client)", clientChannel->getName().string())
+            << "client channel should have suffixed name";
+
+    // Server->Client communication
+    InputMessage serverMsg;
+    memset(&serverMsg, 0, sizeof(InputMessage));
+    serverMsg.header.type = InputMessage::TYPE_KEY;
+    serverMsg.body.key.action = AKEY_EVENT_ACTION_DOWN;
+    EXPECT_EQ(OK, serverChannel->sendMessage(&serverMsg))
+            << "server channel should be able to send message to client channel";
+
+    InputMessage clientMsg;
+    EXPECT_EQ(OK, clientChannel->receiveMessage(&clientMsg))
+            << "client channel should be able to receive message from server channel";
+    EXPECT_EQ(serverMsg.header.type, clientMsg.header.type)
+            << "client channel should receive the correct message from server channel";
+    EXPECT_EQ(serverMsg.body.key.action, clientMsg.body.key.action)
+            << "client channel should receive the correct message from server channel";
+
+    // Client->Server communication
+    InputMessage clientReply;
+    memset(&clientReply, 0, sizeof(InputMessage));
+    clientReply.header.type = InputMessage::TYPE_FINISHED;
+    clientReply.body.finished.seq = 0x11223344;
+    clientReply.body.finished.handled = true;
+    EXPECT_EQ(OK, clientChannel->sendMessage(&clientReply))
+            << "client channel should be able to send message to server channel";
+
+    InputMessage serverReply;
+    EXPECT_EQ(OK, serverChannel->receiveMessage(&serverReply))
+            << "server channel should be able to receive message from client channel";
+    EXPECT_EQ(clientReply.header.type, serverReply.header.type)
+            << "server channel should receive the correct message from client channel";
+    EXPECT_EQ(clientReply.body.finished.seq, serverReply.body.finished.seq)
+            << "server channel should receive the correct message from client channel";
+    EXPECT_EQ(clientReply.body.finished.handled, serverReply.body.finished.handled)
+            << "server channel should receive the correct message from client channel";
+}
+
+TEST_F(InputChannelTest, ReceiveSignal_WhenNoSignalPresent_ReturnsAnError) {
+    sp<InputChannel> serverChannel, clientChannel;
+
+    status_t result = InputChannel::openInputChannelPair(String8("channel name"),
+            serverChannel, clientChannel);
+
+    ASSERT_EQ(OK, result)
+            << "should have successfully opened a channel pair";
+
+    InputMessage msg;
+    EXPECT_EQ(WOULD_BLOCK, clientChannel->receiveMessage(&msg))
+            << "receiveMessage should have returned WOULD_BLOCK";
+}
+
+TEST_F(InputChannelTest, ReceiveSignal_WhenPeerClosed_ReturnsAnError) {
+    sp<InputChannel> serverChannel, clientChannel;
+
+    status_t result = InputChannel::openInputChannelPair(String8("channel name"),
+            serverChannel, clientChannel);
+
+    ASSERT_EQ(OK, result)
+            << "should have successfully opened a channel pair";
+
+    serverChannel.clear(); // close server channel
+
+    InputMessage msg;
+    EXPECT_EQ(DEAD_OBJECT, clientChannel->receiveMessage(&msg))
+            << "receiveMessage should have returned DEAD_OBJECT";
+}
+
+TEST_F(InputChannelTest, SendSignal_WhenPeerClosed_ReturnsAnError) {
+    sp<InputChannel> serverChannel, clientChannel;
+
+    status_t result = InputChannel::openInputChannelPair(String8("channel name"),
+            serverChannel, clientChannel);
+
+    ASSERT_EQ(OK, result)
+            << "should have successfully opened a channel pair";
+
+    serverChannel.clear(); // close server channel
+
+    InputMessage msg;
+    msg.header.type = InputMessage::TYPE_KEY;
+    EXPECT_EQ(DEAD_OBJECT, clientChannel->sendMessage(&msg))
+            << "sendMessage should have returned DEAD_OBJECT";
+}
+
+
+} // namespace android