--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/sound/sampled/Lines/ChangingBuffer.java Mon Oct 31 14:50:09 2016 +0300
@@ -0,0 +1,165 @@
+/*
+ * 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 javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.Clip;
+import javax.sound.sampled.DataLine;
+import javax.sound.sampled.Mixer;
+import javax.sound.sampled.SourceDataLine;
+
+/**
+ * @test
+ * @bug 4515126
+ * @summary Verify that the buffer passed to SourceDataLine.write() and
+ * Clip.open() will not be changed
+ */
+public class ChangingBuffer {
+
+ final static int samplerate = 44100;
+ final static byte[] buffer = new byte[16384];
+ static int successfulTests = 0;
+
+ private static void makeBuffer() {
+ for (int i=0; i<buffer.length; i++) {
+ buffer[i] = (byte) (i % 128);
+ }
+ }
+
+ private static void checkBufferSDL() throws Exception {
+ successfulTests++;
+ for (int i=0; i<buffer.length; i++) {
+ if (buffer[i] != ((byte) (i % 128))) {
+ throw new Exception("Buffer was changed by SourceDataLine.write()!. Test FAILED");
+ }
+ }
+ System.out.println(" -> passed for this line");
+ System.out.println("");
+ }
+
+ private static void checkBufferClip() throws Exception {
+ for (int i=0; i<buffer.length; i++) {
+ if (buffer[i] != (i % 128)) {
+ throw new Exception("Buffer was changed by Clip.open()!. Test FAILED");
+ }
+ }
+ System.out.println(" -> passed for this clip");
+ System.out.println("");
+ }
+
+ private static boolean doMixerClip(Mixer mixer, AudioFormat format) {
+ if (mixer==null) return false;
+ try {
+ System.out.println("Trying mixer "+mixer+":");
+ DataLine.Info info = new DataLine.Info(
+ Clip.class,
+ format,
+ (int) samplerate);
+
+ Clip clip = (Clip) mixer.getLine(info);
+ System.out.println(" - got clip: "+clip);
+ System.out.println(" - open with format "+format);
+ clip.open(format, buffer, 0, buffer.length);
+ System.out.println(" - playing...");
+ clip.start();
+ System.out.println(" - waiting while it's active...");
+ while (clip.isActive())
+ Thread.sleep(100);
+ System.out.println(" - waiting 100millis");
+ Thread.sleep(100);
+ System.out.println(" - drain1");
+ clip.drain();
+ System.out.println(" - drain2");
+ clip.drain();
+ System.out.println(" - stop");
+ clip.stop();
+ System.out.println(" - close");
+ clip.close();
+ System.out.println(" - closed");
+ } catch (Throwable t) {
+ System.out.println(" - Caught exception. Not failed.");
+ System.out.println(" - "+t.toString());
+ return false;
+ }
+ return true;
+ }
+
+ private static boolean doMixerSDL(Mixer mixer, AudioFormat format) {
+ if (mixer==null) return false;
+ try {
+ System.out.println("Trying mixer "+mixer+":");
+ DataLine.Info info = new DataLine.Info(
+ SourceDataLine.class,
+ format,
+ (int) samplerate);
+
+ SourceDataLine sdl = (SourceDataLine) mixer.getLine(info);
+ System.out.println(" - got sdl: "+sdl);
+ System.out.println(" - open with format "+format);
+ sdl.open(format);
+ System.out.println(" - start...");
+ sdl.start();
+ System.out.println(" - write...");
+ sdl.write(buffer, 0, buffer.length);
+ Thread.sleep(200);
+ System.out.println(" - drain...");
+ sdl.drain();
+ System.out.println(" - stop...");
+ sdl.stop();
+ System.out.println(" - close...");
+ sdl.close();
+ System.out.println(" - closed");
+ } catch (Throwable t) {
+ System.out.println(" - Caught exception. Not failed.");
+ System.out.println(" - "+t.toString());
+ return false;
+ }
+ return true;
+ }
+
+ private static void doAll(boolean bigEndian) throws Exception {
+ AudioFormat pcm = new AudioFormat(
+ AudioFormat.Encoding.PCM_SIGNED,
+ samplerate, 16, 1, 2, samplerate, bigEndian);
+ Mixer.Info[] mixers = AudioSystem.getMixerInfo();
+ for (int i=0; i<mixers.length; i++) {
+ Mixer mixer = AudioSystem.getMixer(mixers[i]);
+ makeBuffer(); if (doMixerClip(mixer, pcm)) checkBufferClip();
+ makeBuffer(); if (doMixerSDL(mixer, pcm)) checkBufferSDL();
+ }
+ if (mixers.length==0) {
+ System.out.println("No mixers available!");
+ }
+
+ }
+
+ public static void main(String args[]) throws Exception{
+ doAll(true);
+ doAll(false);
+ if (successfulTests==0) {
+ System.out.println("Could not execute any of the tests. Test NOT failed.");
+ } else {
+ System.out.println("Test PASSED.");
+ }
+ }
+}