--- /dev/null 2015-08-19 17:42:00.000000000 +0300 +++ new/test/javax/sound/sampled/FileReader/RepeatedFormatReader.java 2015-08-19 17:41:59.000000000 +0300 @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2015, 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. + * + * 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.IOException; +import java.io.InputStream; + +import javax.sound.sampled.AudioSystem; +import javax.sound.sampled.UnsupportedAudioFileException; + +/** + * @test + * @bug 8133677 + * @summary Subsequent read from the same stream should work + */ +public final class RepeatedFormatReader { + + // Stubs + + private static byte[] headerMIDI = {0x4d, 0x54, 0x68, 0x64, // MThd + 0, 0, 0, 6, // read header length + 0, 0, // type + 0, 0, // numtracks + 0, 1, // timing + }; + + private static byte[] headerAU = {0x2e, 0x73, 0x6e, 0x64, // AU_SUN_MAGIC + 0, 0, 0, 0, // headerSize + 0, 0, 0, 0, // dataSize + 0, 0, 0, 1, // encoding + 0, 0, 0, 0, // sampleRate + 0, 0, 0, 1 // channels + }; + + private static byte[] headerWAV = {0x52, 0x49, 0x46, 0x46, // RIFF_MAGIC + 1, 1, 1, 1, // fileLength + 0x57, 0x41, 0x56, 0x45, // waveMagic + 0x66, 0x6d, 0x74, 0x20, // FMT_MAGIC + 3, 0, 0, 0, // length + 1, 0, // wav_type WAVE_FORMAT_PCM + 0, 1, // channels + 0, 0, 0, 0, // sampleRate + 0, 0, 0, 0, // avgBytesPerSec + 0, 0, // blockAlign + 1, 0, // sampleSizeInBits + 0x64, 0x61, 0x74, 0x61, // DATA_MAGIC + 0, 0, 0, 0, // dataLength + }; + + private static final byte[][] data = {headerMIDI, headerAU, headerWAV}; + + public static void main(final String[] args) + throws IOException, UnsupportedAudioFileException { + for (final byte[] bytes : data) { + test(bytes); + } + } + + private static void test(final byte[] buffer) + throws IOException, UnsupportedAudioFileException { + final InputStream is = new ByteArrayInputStream(buffer); + for (int i = 0; i < 10; ++i) { + AudioSystem.getAudioFileFormat(is); + } + } +}