/* * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOUtil; import java.util.Arrays; /* @test @summary Test copy a InputStream to a OutputStream reporting the amount of bytes copied in total. */ public class CopyInputStreamOutputStream { public static void main(String[] args) throws Exception { new CopyInputStreamOutputStream().go(); } private void go() throws Exception { byte[] data = LoremIpsum.getBytes(); ByteArrayInputStream in = new ByteArrayInputStream(data); ByteArrayOutputStream out = new ByteArrayOutputStream(); if (IOUtil.copy(in, out) != data.length) { throw new Exception("expected amount of copied bytes wrong"); } if (!Arrays.equals(data, out.toByteArray())) { throw new Exception("copied data wrong"); } } }