/**
* Copyright 2005-2016 Red Hat, Inc.
*
* Red Hat 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 io.fabric8.utils;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.junit.Assert;
import org.junit.Test;
public class ChecksumUtilsTest {
@Test
public void checksumTest() throws IOException {
//well known CRC32 checksums
InputStream stream = new ByteArrayInputStream("The quick brown fox jumps over the lazy dog".getBytes("UTF-8"));
Assert.assertEquals(0x414fa339, ChecksumUtils.checksum(stream));
stream = new ByteArrayInputStream("".getBytes("UTF-8"));
Assert.assertEquals(0x0, ChecksumUtils.checksum(stream));
try {
ChecksumUtils.checksum(null);
Assert.fail("Expected NullPointerException but nothing happened");
} catch(NullPointerException e) {
}
}
}