/** @tests java.security.MessageDigestSpi#clone() */
public void test_clone() throws CloneNotSupportedException {
MyMessageDigest md = new MyMessageDigest();
try {
md.clone();
fail("No expected CloneNotSupportedException");
} catch (CloneNotSupportedException e) {
}
MyMessageDigestCloneable mdc = new MyMessageDigestCloneable();
assertNotSame(mdc, mdc.clone());
}
/** java.security.MessageDigestSpi#engineUpdate(ByteBuffer) */
public void test_engineUpdateLjava_nio_ByteBuffer() {
MyMessageDigest md = new MyMessageDigest();
byte[] b = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
ByteBuffer buf = ByteBuffer.wrap(b, 0, b.length);
buf.get(b);
int limit = buf.limit();
md.engineUpdate(buf);
assertEquals(limit, buf.limit());
assertEquals(limit, buf.position());
buf = ByteBuffer.wrap(b, 0, b.length);
buf.get();
buf.get();
buf.get();
md.engineUpdate(buf);
assertEquals(limit, buf.limit());
assertEquals(limit, buf.position());
}
/** java.security.MessageDigestSpi#engineDigest(byte[], int, int) */
public void test_engineDigestLB$LILI() throws Exception {
final int DIGEST_LENGTH = 2;
MyMessageDigest md =
new MyMessageDigest() {
public int engineGetDigestLength() {
return DIGEST_LENGTH;
}
public byte[] engineDigest() {
return new byte[DIGEST_LENGTH]; // return non-null value
}
};
byte[] b = new byte[5];
try {
// test: null output buffer
md.engineDigest(null, 1, DIGEST_LENGTH);
fail("No expected NullPointerException");
} catch (NullPointerException e) {
}
try {
// test: len param < digest length
md.engineDigest(b, 1, DIGEST_LENGTH - 1);
fail("No expected DigestException");
} catch (DigestException e) {
}
assertEquals("incorrect result", DIGEST_LENGTH, md.engineDigest(b, 1, 3));
// Regression for HARMONY-3045
md = new MyMessageDigest();
try {
md.engineDigest(b, 0, 1);
fail("should throw NullPointerException");
} catch (NullPointerException e) {
// expected
}
}
/** java.security.MessageDigestSpi#engineGetDigestLength() */
public void test_engineGetDigestLength() {
MyMessageDigest md = new MyMessageDigest();
assertEquals(0, md.engineGetDigestLength());
}
