gistfile1.java

package io.netty.buffer;

import java.util.ArrayList;
import java.util.List;

/**
 *
 */
public class Test {

    public static void test( ByteBuf buff ) {

        System.out.printf( "----------------\n" );

        List<Long> durations = new ArrayList<Long>();

        // test filling it with bytes...
        System.out.printf( "class impl: %s\n", buff.getClass().getName() );

        for( int j = 0; j < 10; ++j ) {

            long before = System.currentTimeMillis();

            buff.writerIndex(0);

            for( int i = 0; i < buff.capacity() / 4; ++i ) {
                buff.writeInt( i );
            }

            long after = System.currentTimeMillis();

            long duration = (after-before);
            System.out.printf( "Duration: %,d ms\n", duration );
            durations.add( duration );

            System.gc();

        }

        long sum = 0;

        for( long d : durations ) {
            sum += d;
        }

        System.out.printf( "Final mean duration: %,d ms\n", sum / durations.size() );

    }

    public static void main(String[] args) {

        System.out.printf( "This is just a test\n" );

        int capacity = 500000000;

        test( Unpooled.directBuffer(capacity) );

        test( Unpooled.buffer(capacity) );

    }

}