TestPureJavaCrc32C.java

/**
 * 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.hadoop.util;

import java.util.zip.Checksum;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;


public class TestPureJavaCrc32C {

  @Test
  public void testChecksumInit() {
    Checksum csum = new PureJavaCrc32C();
    long crc1 = csum.getValue();
    csum.reset();
    long crc2 = csum.getValue();
    assertEquals(crc1, crc2, "reset should give same as initial value");
  }
}