*/
public class BufferCacheImpl implements BufferCache {

    private final Object[] cache;
    private final int bufferSize;
    private int freeBuffers = 0;

    /**
     * Constructs a buffer cache using configuration settings.
     *
     * @param cfg the configuration to use for buffer cache settings
     */
    public BufferCacheImpl(final Configuration cfg) {

        void negativeMaxBuffersThrows() {
            assertThrows(NegativeArraySizeException.class, () -> new BufferCacheImpl(-1, 10));
        }

        @Test
        @DisplayName("Negative maxSize throws when allocating a new buffer")
        void negativeMaxSizeThrowsOnAllocation() {
            BufferCacheImpl impl = new BufferCacheImpl(0, -7);
            assertThrows(NegativeArraySizeException.class, impl::getBuffer);
        }
    }

import jcifs.NameServiceClient;
import jcifs.SidResolver;
import jcifs.SmbPipeResource;
import jcifs.SmbResource;
import jcifs.SmbTransportPool;
import jcifs.netbios.NameServiceClientImpl;
import jcifs.smb.BufferCacheImpl;
import jcifs.smb.CredentialsInternal;
import jcifs.smb.DfsImpl;
import jcifs.smb.Handler;
import jcifs.smb.NtlmPasswordAuthenticator;
import jcifs.smb.SIDCacheImpl;
import jcifs.smb.SmbFile;