/*******************************************************************************
* Copyright 2014 Trevor Robinson
*
* Licensed 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.
******************************************************************************/
package com.scurrilous.circe.impl;
import static org.junit.Assert.*;
import java.nio.ByteBuffer;
import mockit.Expectations;
import mockit.Mocked;
import org.testng.annotations.Test;
import static org.testng.Assert.*;
import com.scurrilous.circe.StatefulHash;
import com.scurrilous.circe.impl.AbstractIncrementalIntHash;
@SuppressWarnings("javadoc")
public class AbstractIncrementalIntHashTest {
@Mocked
private AbstractIncrementalIntHash hash;
@Test
public void testAsStateful() {
final byte[] input = new byte[10];
new Expectations(hash) {
{
hash.algorithm();
hash.length();
hash.initial();
result = 42;
hash.resumeUnchecked(42, input, 2, 4);
result = 99;
}
};
StatefulHash stateful = hash.createStateful();
stateful.algorithm();
stateful.length();
assertNotEquals(stateful, stateful.createNew());
stateful.reset();
stateful.update(input, 2, 4);
assertEquals(99, stateful.getInt());
}
@Test
public void testCalculateByteArray() {
final byte[] input = new byte[10];
new Expectations(hash) {
{
hash.initial();
result = 42;
hash.resume(42, input);
}
};
hash.calculate(input);
}
@Test
public void testCalculateByteArrayIntInt() {
final byte[] input = new byte[10];
new Expectations(hash) {
{
hash.initial();
result = 42;
hash.resume(42, input, 2, 4);
}
};
hash.calculate(input, 2, 4);
}
@Test
public void testCalculateByteBuffer() {
final ByteBuffer input = ByteBuffer.allocate(10);
new Expectations(hash) {
{
hash.initial();
result = 42;
hash.resume(42, input);
}
};
hash.calculate(input);
}
@Test
public void testResumeIntByteArray() {
final byte[] input = new byte[10];
new Expectations(hash) {
{
hash.resumeUnchecked(42, input, 0, input.length);
}
};
hash.resume(42, input);
}
@Test
public void testResumeIntByteArrayIntInt() {
final byte[] input = new byte[10];
new Expectations(hash) {
{
hash.resumeUnchecked(42, input, 2, 4);
}
};
hash.resume(42, input, 2, 4);
}
@Test
public void testResumeIntByteBuffer() {
final ByteBuffer input = ByteBuffer.allocate(20);
input.position(5);
input.limit(15);
new Expectations(hash) {
{
hash.resumeUnchecked(42, input.array(), input.arrayOffset() + 5, 10);
}
};
hash.resume(42, input);
assertEquals(input.limit(), input.position());
}
@Test
public void testResumeIntReadOnlyByteBuffer() {
final ByteBuffer input = ByteBuffer.allocate(20).asReadOnlyBuffer();
input.position(5);
input.limit(15);
new Expectations(hash) {
{
hash.resumeUnchecked(42, withInstanceOf(byte[].class), 0, 10);
}
};
hash.resume(42, input);
assertEquals(input.limit(), input.position());
}
}