| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @author Boris V. Kuznetsov |
| */ |
| |
| package org.apache.harmony.security.tests.java.security; |
| |
| import java.nio.ByteBuffer; |
| import java.security.DigestException; |
| import java.security.MessageDigestSpi; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * Tests for <code>MessageDigestSpi</code> constructor and methods |
| */ |
| public class MessageDigestSpiTest extends TestCase { |
| |
| /** |
| * 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()); |
| } |
| |
| /** |
| * 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()); |
| } |
| |
| /** |
| * @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()); |
| } |
| |
| private class MyMessageDigest extends MessageDigestSpi { |
| |
| @Override |
| public void engineReset() { |
| } |
| |
| @Override |
| public byte[] engineDigest() { |
| return null; |
| } |
| |
| @Override |
| public void engineUpdate(byte arg0) { |
| } |
| |
| @Override |
| public void engineUpdate(byte[] arg0, int arg1, int arg2) { |
| } |
| |
| @Override |
| protected int engineDigest(byte[] buf, int offset, int len) |
| throws DigestException { |
| return super.engineDigest(buf, offset, len); |
| } |
| |
| @Override |
| protected int engineGetDigestLength() { |
| return super.engineGetDigestLength(); |
| } |
| |
| @Override |
| protected void engineUpdate(ByteBuffer input) { |
| super.engineUpdate(input); |
| } |
| } |
| |
| private class MyMessageDigestCloneable extends MyMessageDigest implements |
| Cloneable { |
| } |
| } |