Quelle  TestCloneable.java

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/*
 * @test
 * @bug 8246077
 * @summary Make sure that signature objects which are cloneable
 *         implement the Cloneable interface
 * @run testng TestCloneable
 */
import java.security.NoSuchProviderException;
import java.security.NoSuchAlgorithmException;
import java.security.Signature;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import org.testng.Assert;

public class TestCloneable {

    private static final Class<CloneNotSupportedException> CNSE =
            CloneNotSupportedException.class;

    @DataProvider
    public Object[][] testData() {
        return new Object[][] {
            { "SHA1withDSA", "SUN" }, { "NONEwithDSA", "SUN" },
            { "SHA224withDSA", "SUN" }, { "SHA256withDSA", "SUN" },
            { "EdDSA", "SunEC" }, { "Ed25519", "SunEC" }, { "Ed448", "SunEC" },
            { "SHA1withECDSA", "SunEC" }, { "SHA224withECDSA", "SunEC" },
            { "SHA256withECDSA", "SunEC" }, { "SHA384withECDSA", "SunEC" },
            { "SHA512withECDSA", "SunEC" }, { "NONEwithECDSA", "SunEC" },
            { "MD2withRSA", "SunRsaSign" }, { "MD5withRSA", "SunRsaSign" },
            { "SHA1withRSA", "SunRsaSign" }, { "SHA224withRSA", "SunRsaSign" },
            { "SHA256withRSA", "SunRsaSign" },
            { "SHA384withRSA", "SunRsaSign" },
            { "SHA512withRSA", "SunRsaSign" },
            { "SHA512/224withRSA", "SunRsaSign" },
            { "SHA512/256withRSA", "SunRsaSign" },
            { "RSASSA-PSS", "SunRsaSign" },
            { "NONEwithRSA", "SunMSCAPI" },
            { "SHA1withRSA", "SunMSCAPI" }, { "SHA256withRSA", "SunMSCAPI" },
            { "SHA384withRSA", "SunMSCAPI" }, { "SHA512withRSA", "SunMSCAPI" },
            { "RSASSA-PSS", "SunMSCAPI" },
            { "MD5withRSA", "SunMSCAPI" }, { "MD2withRSA", "SunMSCAPI" },
            { "SHA1withECDSA", "SunMSCAPI" },
            { "SHA224withECDSA", "SunMSCAPI" },
            { "SHA256withECDSA", "SunMSCAPI" },
            { "SHA384withECDSA", "SunMSCAPI" },
            { "SHA512withECDSA", "SunMSCAPI" }
        };
    }

    @Test(dataProvider = "testData")
    public void test(String algo, String provName)
            throws NoSuchAlgorithmException, CloneNotSupportedException {
        System.out.print("Testing " + algo + " impl from " + provName);
        try {
            Signature sig = Signature.getInstance(algo, provName);
            if (sig instanceof Cloneable) {
                System.out.println(": Cloneable");
                Signature sig2 = (Signature) sig.clone();
                Assert.assertEquals(sig2.getAlgorithm(), algo);
                Assert.assertEquals(sig2.getProvider().getName(), provName);
                Assert.assertTrue(sig2 instanceof Cloneable);
            } else {
                System.out.println(": NOT Cloneable");
                Assert.assertThrows(CNSE, ()->sig.clone());
            }
            System.out.println("Test Passed");
        } catch (NoSuchProviderException nspe) {
            // skip testing
            System.out.println("Skip " + provName + " - not available");
        }
    }
}