activemq-cpp/src/test-benchmarks/decaf/io/DataInputStreamBenchmark.cpp

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 "DataInputStreamBenchmark.h"

using namespace std;
using namespace decaf;
using namespace decaf::io;

////////////////////////////////////////////////////////////////////////////////
const int DataInputStreamBenchmark::bufferSize = 200000;

////////////////////////////////////////////////////////////////////////////////
DataInputStreamBenchmark::DataInputStreamBenchmark() : buffer(), bis() {
}

////////////////////////////////////////////////////////////////////////////////
void DataInputStreamBenchmark::setUp() {

    buffer = new unsigned char[bufferSize];

    // init to full String Buffer
    for (int ix = 0; ix < bufferSize - 1; ++ix) {
        buffer[ix] = 65;
    }
    buffer[bufferSize - 1] = 0;
    bis.setByteArray(buffer, bufferSize);
}

////////////////////////////////////////////////////////////////////////////////
void DataInputStreamBenchmark::tearDown() {

    delete[] buffer;
}

////////////////////////////////////////////////////////////////////////////////
void DataInputStreamBenchmark::run() {

    DataInputStream dis(&bis);

    bool boolResult = 0;
    char charResult = 0;
    unsigned char byteResult = 0;
    unsigned short ushortResult = 0;
    short shortResult = 0;
    int intResult = 0;
    long long longResult = 0;
    double doubleResult = 0.0;
    float floatResult = 0.0f;
    std::string stringResult = "";

    for (size_t iy = 0; iy < bufferSize / sizeof(boolResult); ++iy) {
        boolResult = dis.readBoolean();
    }
    bis.reset();

    for (size_t iy = 0; iy < bufferSize / sizeof(charResult); ++iy) {
        charResult = dis.readChar();
    }
    bis.reset();

    for (size_t iy = 0; iy < bufferSize / sizeof(byteResult); ++iy) {
        byteResult = (unsigned char) dis.readByte();
    }
    bis.reset();

    for (size_t iy = 0; iy < bufferSize / sizeof(ushortResult); ++iy) {
        ushortResult = dis.readUnsignedShort();
    }
    bis.reset();

    for (size_t iy = 0; iy < bufferSize / sizeof(shortResult); ++iy) {
        shortResult = dis.readShort();
    }
    bis.reset();

    for (size_t iy = 0; iy < bufferSize / sizeof(intResult); ++iy) {
        intResult = dis.readInt();
    }
    bis.reset();

    for (size_t iy = 0; iy < bufferSize / sizeof(longResult); ++iy) {
        longResult = dis.readLong();
    }
    bis.reset();

    for (size_t iy = 0; iy < bufferSize / sizeof(floatResult); ++iy) {
        floatResult = dis.readFloat();
    }
    bis.reset();

    for (size_t iy = 0; iy < bufferSize / sizeof(doubleResult); ++iy) {
        doubleResult = dis.readDouble();
    }
    bis.reset();

    for (int i = 0; i < 5; ++i) {
        stringResult = dis.readString();
        bis.reset();
    }
}