1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.imaging.formats.png.scanlinefilters;
18
19 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
20
21 import java.io.IOException;
22
23 import org.apache.commons.imaging.ImagingException;
24 import org.junit.jupiter.api.Test;
25
26 public class ScanlineFilterAverageTest {
27
28 @Test
29 public void testUnfilterWithNull() throws IOException, ImagingException {
30 final ScanlineFilterAverage scanlineFilterAverage = new ScanlineFilterAverage(2);
31 final byte[] byteArray = new byte[9];
32 scanlineFilterAverage.unfilter(byteArray, byteArray, null);
33
34 assertArrayEquals(new byte[] { (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0 }, byteArray);
35 }
36
37 }