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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/message_loop/message_loop.h"
#include "chromeos/binder/binder_driver_api.h"
#include "chromeos/binder/command_stream.h"
#include "chromeos/binder/constants.h"
#include "chromeos/binder/driver.h"
#include "chromeos/binder/transaction_data.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace binder {
namespace {
class BinderCommandStreamTest : public ::testing::Test,
public CommandStream::IncomingCommandHandler {
public:
BinderCommandStreamTest() : command_stream_(&driver_, this) {}
~BinderCommandStreamTest() override {}
void SetUp() override { ASSERT_TRUE(driver_.Initialize()); }
// CommandStream::IncomingCommandHandler override:
bool OnTransaction(const TransactionData& data) override { return false; }
void OnReply(scoped_ptr<TransactionData> data) override {
received_response_ = RESPONSE_REPLY;
ASSERT_TRUE(data);
EXPECT_FALSE(data->HasStatus()); // No error.
}
void OnDeadReply() override { received_response_ = RESPONSE_DEAD; }
void OnTransactionComplete() override {
received_response_ = RESPONSE_COMPLETE;
}
void OnIncrementWeakReference(void* ptr, void* cookie) override {}
void OnIncrementStrongReference(void* ptr, void* cookie) override {}
void OnDecrementStrongReference(void* ptr, void* cookie) override {}
void OnDecrementWeakReference(void* ptr, void* cookie) override {}
void OnFailedReply() override { received_response_ = RESPONSE_FAILED; }
protected:
base::MessageLoop message_loop_;
Driver driver_;
CommandStream command_stream_;
enum ResponseType {
RESPONSE_NONE,
RESPONSE_REPLY,
RESPONSE_DEAD,
RESPONSE_COMPLETE,
RESPONSE_FAILED,
};
ResponseType received_response_ = RESPONSE_NONE;
};
} // namespace
TEST_F(BinderCommandStreamTest, EnterLooper) {
command_stream_.AppendOutgoingCommand(BC_ENTER_LOOPER, nullptr, 0);
EXPECT_TRUE(command_stream_.Flush());
command_stream_.AppendOutgoingCommand(BC_EXIT_LOOPER, nullptr, 0);
EXPECT_TRUE(command_stream_.Flush());
}
TEST_F(BinderCommandStreamTest, Error) {
// Kernel's binder.h says BC_ATTEMPT_ACQUIRE is not currently supported.
binder_pri_desc params = {};
command_stream_.AppendOutgoingCommand(BC_ATTEMPT_ACQUIRE, ¶ms,
sizeof(params));
EXPECT_FALSE(command_stream_.Flush());
}
TEST_F(BinderCommandStreamTest, PingContextManager) {
// Perform ping transaction with the context manager.
binder_transaction_data data = {};
data.target.handle = kContextManagerHandle;
data.code = kPingTransactionCode;
command_stream_.AppendOutgoingCommand(BC_TRANSACTION, &data, sizeof(data));
ASSERT_TRUE(command_stream_.Flush());
// Wait for transaction complete.
while (received_response_ == RESPONSE_NONE) {
if (command_stream_.CanProcessIncomingCommand()) {
ASSERT_TRUE(command_stream_.ProcessIncomingCommand());
} else {
ASSERT_TRUE(command_stream_.Fetch());
}
}
ASSERT_EQ(RESPONSE_COMPLETE, received_response_);
// Wait for transaction reply.
received_response_ = RESPONSE_NONE;
while (received_response_ == RESPONSE_NONE) {
if (command_stream_.CanProcessIncomingCommand()) {
ASSERT_TRUE(command_stream_.ProcessIncomingCommand());
} else {
ASSERT_TRUE(command_stream_.Fetch());
}
}
ASSERT_EQ(RESPONSE_REPLY, received_response_);
}
} // namespace binder
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