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UnsafeToolsTest.java

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package bwapi;

import org.junit.Test;

import sun.misc.Unsafe;

import java.nio.ByteBuffer;

import static org.junit.Assert.*;

public class UnsafeToolsTest {

@Test

public void testGettingUnsafe() {

assertNotNull(UnsafeTools.getUnsafe());

}

@Test

public void testDirectByteBuffer() {

byte[] bytes = {112, 117, 114, 112, 108, 101, 119, 97, 118, 101};

final ByteBuffer buffer = ByteBuffer.allocateDirect(bytes.length);

buffer.put(bytes);

long address = UnsafeTools.getAddress(buffer);

assertNotEquals(0, address);

Unsafe unsafe = UnsafeTools.getUnsafe(); //to obtain memory values via the address

for (int i=0; i < bytes.length; i++) {

assertEquals(bytes[i], unsafe.getByte(address + i));

}

}

}