/*
 * Copyright 2014, 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.
 */

#ifndef ANDROID_CAZE_TEST_UTILITIES_H
#define ANDROID_CAZE_TEST_UTILITIES_H

#include "BaseType.h"
#include "Interpreter.h"
#include "ResourceProvider.h"

#include <memory>
#include <string>
#include <utility>
#include <vector>

#include <gmock/gmock.h>
#include <gtest/gtest.h>

namespace android {
namespace caze {

class GazerConnection;
class MockConnection;

namespace test {

// Matcher for matching the data pointed by a void pointer (arg) against the reference data provided
// in the data variable. Data should be an iterable collection of uint8_t types and arg should be a
// void pointer.
MATCHER_P(VoidPointee, data, "") {
    uint32_t i = 0;
    bool result = true;
    const uint8_t* typedArg = static_cast<const uint8_t*>(arg);
    for (uint8_t it : data) {
        if (it != typedArg[i]) {
            result = false;
        }
        ++i;
    }
    return result;
}

// Action for setting the values pointed by a void pointer (arg0). Data should be an iterable
// collection of uint8_t types and arg should be a void pointer.
ACTION_P(SetVoidPointee, data) {
    uint32_t i = 0;
    uint8_t* typedArg = static_cast<uint8_t*>(arg0);
    for (uint8_t it : data) {
        typedArg[i] = it;
        ++i;
    }
}

// Create an instruction code from the given details that can be interpreted by the interpreter
uint32_t instruction(Interpreter::InstructionCode code);
uint32_t instruction(Interpreter::InstructionCode code, uint32_t data);
uint32_t instruction(Interpreter::InstructionCode code, BaseType type, uint32_t data);

template <typename T>
std::vector<uint8_t> toByteVector(const T& x);

std::vector<uint8_t> createReplayData(uint32_t stackSize, uint32_t volatileMemorySize,
                                      const std::vector<uint8_t>& constantMemory,
                                      const ResourceProvider::ResourceList& resources,
                                      const std::vector<uint32_t>& instructions);

std::unique_ptr<GazerConnection> createGazerConnection(MockConnection* connection,
                                                       const std::string& replayId,
                                                       uint32_t replayLength);

std::unique_ptr<GazerConnection> createGazerConnection(const std::string& replayId,
                                                       uint32_t replayLength);

}  // end of namespace test
}  // end of namespace caze
}  // end of namespace android

#endif  // ANDROID_CAZE_MOCK_UTILITIES_H