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/*
* 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.
*/
package org.apache.harmony.tests.java.util.zip;
import java.util.zip.Adler32;
public class Adler32Test extends junit.framework.TestCase {
/**
* java.util.zip.Adler32#Adler32()
*/
public void test_Constructor() {
// test method of java.util.zip.Adler32()
Adler32 adl = new Adler32();
assertEquals("Constructor of adl32 failed", 1, adl.getValue());
}
/**
* java.util.zip.Adler32#getValue()
*/
public void test_getValue() {
// test methods of java.util.zip.getValue()
Adler32 adl = new Adler32();
assertEquals("GetValue should return a zero as a result of construction an object of Adler32",
1, adl.getValue());
adl.reset();
adl.update(1);
// System.out.print("value of adl"+adl.getValue());
// The value of the adl should be 131074
assertEquals("update(int) failed to update the checksum to the correct value ",
131074, adl.getValue());
adl.reset();
assertEquals("reset failed to reset the checksum value to zero", 1, adl
.getValue());
adl.reset();
adl.update(Integer.MIN_VALUE);
// System.out.print("value of adl " + adl.getValue());
// The value of the adl should be 65537
assertEquals("update(min) failed to update the checksum to the correct value ",
65537L, adl.getValue());
}
/**
* java.util.zip.Adler32#reset()
*/
public void test_reset() {
// test methods of java.util.zip.reset()
Adler32 adl = new Adler32();
adl.update(1);
// System.out.print("value of adl"+adl.getValue());
// The value of the adl should be 131074
assertEquals("update(int) failed to update the checksum to the correct value ",
131074, adl.getValue());
adl.reset();
assertEquals("reset failed to reset the checksum value to zero", 1, adl
.getValue());
}
/**
* java.util.zip.Adler32#update(int)
*/
public void test_updateI() {
// test methods of java.util.zip.update(int)
Adler32 adl = new Adler32();
adl.update(1);
// The value of the adl should be 131074
assertEquals("update(int) failed to update the checksum to the correct value ",
131074, adl.getValue());
adl.reset();
adl.update(Integer.MAX_VALUE);
// System.out.print("value of adl " + adl.getValue());
// The value of the adl should be 16777472
assertEquals("update(max) failed to update the checksum to the correct value ",
16777472L, adl.getValue());
adl.reset();
adl.update(Integer.MIN_VALUE);
// System.out.print("value of adl " + adl.getValue());
// The value of the adl should be 65537
assertEquals("update(min) failed to update the checksum to the correct value ",
65537L, adl.getValue());
}
/**
* java.util.zip.Adler32#update(byte[])
*/
public void test_update$B() {
// test method of java.util.zip.update(byte[])
byte byteArray[] = { 1, 2 };
Adler32 adl = new Adler32();
adl.update(byteArray);
// System.out.print("value of adl"+adl.getValue());
// The value of the adl should be 393220
assertEquals("update(byte[]) failed to update the checksum to the correct value ",
393220, adl.getValue());
adl.reset();
byte byteEmpty[] = new byte[10000];
adl.update(byteEmpty);
// System.out.print("value of adl"+adl.getValue());
// The value of the adl should be 655360001
assertEquals("update(byte[]) failed to update the checksum to the correct value ",
655360001L, adl.getValue());
}
/**
* java.util.zip.Adler32#update(byte[], int, int)
*/
public void test_update$BII() {
// test methods of java.util.zip.update(byte[],int,int)
byte[] byteArray = { 1, 2, 3 };
Adler32 adl = new Adler32();
int off = 2;// accessing the 2nd element of byteArray
int len = 1;
int lenError = 3;
int offError = 4;
adl.update(byteArray, off, len);
// System.out.print("value of adl"+adl.getValue());
// The value of the adl should be 262148
assertEquals("update(byte[],int,int) failed to update the checksum to the correct value ",
262148, adl.getValue());
int r = 0;
try {
adl.update(byteArray, off, lenError);
} catch (ArrayIndexOutOfBoundsException e) {
r = 1;
}
assertEquals("update(byte[],int,int) failed b/c lenError>byte[].length-off",
1, r);
try {
adl.update(byteArray, offError, len);
} catch (ArrayIndexOutOfBoundsException e) {
r = 2;
}
assertEquals("update(byte[],int,int) failed b/c offError>byte[].length",
2, r);
}
@Override
protected void setUp() {
}
@Override
protected void tearDown() {
}
}
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