NullByteBufferTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * 2 along with this work; if not, write to the Free Software Foundation,
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import java.nio.ByteBuffer;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import javax.crypto.Mac;
import javax.crypto.SecretKey;

/**
 * @test
 * @bug 8048603
 * @summary Checks if PBE algorithms work fine with null buffer
 * @author Alexander Fomin
 * @build Utils
 * @run main NullByteBufferTest
 */
public class NullByteBufferTest implements MacTest {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Utils.runTests(new NullByteBufferTest());
    }

    @Override
    public void doTest(String alg) throws NoSuchAlgorithmException,
            InvalidKeyException, NoSuchProviderException {
        SecretKey key = Utils.getSecretKeySpec();

        // instantiate Mac object and init it with a SecretKey
        Mac mac = Mac.getInstance(alg, "SunJCE");
        mac.init(key);

        try {
            ByteBuffer buf = null;
            mac.update(buf);
            mac.doFinal();
            throw new RuntimeException(
                    "Expected IllegalArgumentException not thrown");
        } catch (IllegalArgumentException e) {
            System.out.println("Expected IllegalArgumentException thrown: "
                    + e);
        }
    }

}