jdk-sandbox: comparison jdk/test/javax/sound/sampled/AudioInputStream/AISReadFraction.java

equal deleted inserted replaced

-:524d908e49ea
+:e8e5df013c6e
+/*
+* Copyright (c) 2003, 2016, 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.IOException;
+import java.io.InputStream;
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+/**
+* @test
+* @bug 4948663
+* @summary AudioInputStream does not use the original stream passed to its constructor
+*/
+public class AISReadFraction {
+static int failed = 0;
+static byte[] testData = new byte[256];
+static boolean DEBUG = false;
+static AudioFormat[] formats = {
+new AudioFormat(44100.0f, 8, 1, false, false), // frameSize = 1
+new AudioFormat(44100.0f, 8, 2, false, false), // frameSize = 2
+new AudioFormat(44100.0f, 16, 1, true, false), // frameSize = 2
+new AudioFormat(44100.0f, 24, 1, true, false), // frameSize = 3
+new AudioFormat(44100.0f, 16, 2, true, false), // frameSize = 4
+new AudioFormat(44100.0f, 8, 5, false, false), // frameSize = 5
+new AudioFormat(44100.0f, 16, 3, true, false), // frameSize = 6
+new AudioFormat(44100.0f, 8, 7, false, false), // frameSize = 7
+new AudioFormat(44100.0f, 32, 2, true, false)  // frameSize = 8
+};
+public static void main(String args[]) throws Exception {
+for (int i = 0; i<testData.length; i++) {
+testData[i] = (byte) (i % 128);
+}
+for (int f = 0; f < formats.length; f++) {
+// first test without marking
+doTest(formats[f], false);
+// then with marking
+doTest(formats[f], true);
+}
+out(""+failed+" failures.");
+if (failed>0) throw new Exception("Test FAILED!");
+out("Test passed.");
+}
+static void doTest(AudioFormat format, boolean doMark) {
+out("Test with"+(doMark?"":"out")+" marking. Audio format: "
++"sampleSize="+format.getSampleSizeInBits()+"bits "
++"channels="+format.getChannels()+" "
++"frameSize="+format.getFrameSize()+"byte(s)");
+int maxReadBytes = (testData.length / format.getFrameSize()) * format.getFrameSize();
+InputStream is = new FractionalIS(testData, doMark);
+AudioInputStream ais = new AudioInputStream(is, format, AudioSystem.NOT_SPECIFIED);
+// first some general tests
+if (ais.markSupported() && !doMark) {
+out("  #AIS reports markSupported, but underlying stream cannot! FAILED");
+failed ++;
+}
+if (!ais.markSupported() && doMark) {
+out("  #AIS does not report markSupported, but underlying stream can mark! FAILED");
+failed++;
+}
+byte[] data = new byte[1000];
+int frameSize = format.getFrameSize();
+int counter = 5;
+int totalReadBytes = 0;
+boolean hasRead0 = false;
+boolean hasMarked = false;
+boolean hasReset = false;
+int markPos = 0;
+while (true) {
+try {
+int toBeRead = frameSize * counter;
+counter += 3;
+if (counter > 14) {
+counter -= 14;
+}
+int read = ais.read(data, 0, toBeRead);
+if (DEBUG) out("  -> ais.read(data, 0, "+toBeRead+"): "+read+"  (frameSize="+frameSize+")");
+if ((totalReadBytes == maxReadBytes) && (read != -1)
+&& ((read > 0) || hasRead0)) {
+if (read == 0) {
+out("  #stream was read to the end ("+maxReadBytes+"), but ais.read returned repeatedly 0 bytes. FAILED");
+} else {
+out("  #stream was read to the end ("+maxReadBytes+"), but ais.read returned "+read+" bytes... FAILED");
+}
+failed++;
+break;
+}
+if (read > 0) {
+verifyReadBytes(data, totalReadBytes, read);
+if ((read % frameSize) != 0) {
+out("  #Read non-integral number of frames: "+read+" bytes, frameSize="+frameSize+" bytes. FAILED");
+failed++;
+}
+totalReadBytes += read;
+hasRead0 = false;
+}
+else if (read == 0) {
+//out("  wanted to read "+toBeRead+" at position "+totalReadBytes+", but got 0 bytes!");
+if (hasRead0) {
+out("  read 0 twice in a row! FAILED");
+failed++;
+break;
+}
+hasRead0 = true;
+} else {
+// end of stream
+out("  End of stream reached. Total read bytes: "+totalReadBytes);
+if (totalReadBytes != maxReadBytes) {
+out("  #Failed: should have read "+maxReadBytes+" bytes! FAILED.");
+failed++;
+}
+break;
+}
+// test marking
+if (totalReadBytes > 50 && !hasMarked && !hasReset && doMark) {
+out("  Marking at position "+totalReadBytes);
+hasMarked = true;
+ais.mark(0);
+markPos = totalReadBytes;
+}
+if (totalReadBytes > 100 && hasMarked && !hasReset && doMark) {
+out("  Resetting at position "+totalReadBytes+" back to "+markPos);
+hasReset = true;
+ais.reset();
+totalReadBytes = markPos;
+}
+} catch (IOException e) {
+out("  #caught unexpected exception:");
+e.printStackTrace();
+failed++;
+}
+}
+}
+static void verifyReadBytes(byte[] data, int offset, int len) {
+int firstWrongByte = -1;
+for (int i = 0; i < len; i++) {
+int expected = ((offset + i) % 128);
+if (data[i] != expected) {
+out("  read data is not correct! offset="+offset+"  expected="+expected+"  actual="+data[i]);
+failed++;
+break;
+}
+}
+}
+public static void out(String s) {
+System.out.println(s);
+}
+static class FractionalIS extends InputStream {
+byte[] data;
+int pos = 0;
+boolean canMark;
+// a counter how many bytes are not returned
+int missingBytes = 0;
+int markPos = -1;
+FractionalIS(byte[] data, boolean canMark) {
+this.data = data;
+this.canMark = canMark;
+}
+public int read() throws IOException {
+if (pos >= data.length) {
+return -1;
+}
+return data[pos++] & 0xFF;
+}
+public int read(byte[] b, int off, int len) throws IOException {
+if (++missingBytes > 5) {
+missingBytes = 0;
+}
+int reducedLen = len - missingBytes;
+if (reducedLen <= 0) reducedLen = 1;
+if (DEBUG) out("  FIS.read(data, 0, "+len+"): reducing len to "+reducedLen+" bytes.");
+int ret = super.read(b, off, reducedLen);
+if (DEBUG) out("                              returning "+ret+" bytes. Now at pos="+pos);
+return ret;
+}
+public void mark(int readlimit) {
+markPos = pos;
+if (DEBUG) out("  FIS.mark(): marking at "+pos);
+}
+public void reset() throws IOException {
+if (!canMark) {
+throw new IOException("reset not supported!");
+}
+if (markPos == -1) {
+throw new IOException("Mark position not set!");
+}
+pos = markPos;
+if (DEBUG) out("  FIS.reset(): now back at "+pos);
+}
+public boolean markSupported() {
+return canMark;
+}
+}
+}