| /* |
| * 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.commons.imaging.common.bytesource; |
| |
| import java.io.BufferedOutputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| import org.apache.commons.imaging.SanselanTest; |
| |
| public abstract class ByteSourceTest extends SanselanTest |
| { |
| protected File createTempFile(byte src[]) throws IOException |
| { |
| File file = createTempFile("raw_", ".bin"); |
| |
| // write test bytes to file. |
| OutputStream os = new FileOutputStream(file); |
| os = new BufferedOutputStream(os); |
| os.write(src); |
| os.close(); |
| |
| // test that all bytes written to file. |
| assertTrue(src.length == file.length()); |
| |
| return file; |
| } |
| |
| protected byte[][] getTestByteArrays() |
| { |
| byte emptyArray[] = (new byte[0]); |
| |
| byte single[] = new byte[1]; |
| for (int i = 0; i < single.length; i++) |
| single[i] = (byte) i; |
| |
| byte simple[] = new byte[256]; |
| for (int i = 0; i < simple.length; i++) |
| simple[i] = (byte) i; |
| |
| byte zeroes[] = new byte[256]; |
| for (int i = 0; i < zeroes.length; i++) |
| zeroes[i] = 0; |
| |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| for (int i = 0; i < 256 * 256; i++) |
| { |
| baos.write(0xff & i); |
| baos.write(0xff & (i >> 8)); |
| } |
| byte longArray[] = (baos.toByteArray()); |
| |
| return new byte[][] { emptyArray, single, simple, zeroes, longArray, }; |
| } |
| } |