jdk/test/javax/sound/sampled/spi/AudioFileWriter/WaveBigEndian.java
changeset 41905 e8e5df013c6e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/sound/sampled/spi/AudioFileWriter/WaveBigEndian.java	Mon Oct 31 14:50:09 2016 +0300
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2006, 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.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+
+import javax.sound.sampled.AudioFileFormat;
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+
+/**
+ * @test
+ * @bug 5001952
+ * @summary Writing WAVE with big endian data produces corrupt file. WAVE should
+ *          always write signed 16-bit, little endian, regardless of the
+ *          endianness of the input data.
+ */
+public class WaveBigEndian {
+
+    static boolean failed = false;
+
+    public static byte[] writeDataAndGetAIS(boolean bigEndian) throws Exception {
+        if (bigEndian) {
+                out("Create WAVE file from big endian data...");
+        } else {
+                out("Create WAVE file from little endian data...");
+        }
+        byte[] data = new byte[3000];
+        for (int i = 0; i < data.length; i+=2) {
+                if (bigEndian) {
+                        data[i] = (byte) i;
+                        data[i+1] = (byte) (i+1);
+                } else {
+                        data[i] = (byte) (i+1);
+                        data[i+1] = (byte) i;
+                }
+        }
+        AudioFormat format = new AudioFormat(44100.0f, 16, 1, true, bigEndian);
+        InputStream is = new ByteArrayInputStream(data);
+        AudioInputStream ais = new AudioInputStream(is, format, data.length);
+        ByteArrayOutputStream os = new ByteArrayOutputStream();
+        int written = AudioSystem.write(ais, AudioFileFormat.Type.WAVE, os);
+        data = os.toByteArray();
+        out("Wrote "+written+" bytes, got "+data.length+" bytes in written file.");
+        is = new ByteArrayInputStream(data);
+        ais = AudioSystem.getAudioInputStream(is);
+        out("Got AIS with length = "+ais.getFrameLength()+" frames.");
+        return data;
+    }
+
+
+    public static void main(String args[]) throws Exception {
+        byte[] data1 = writeDataAndGetAIS(false);
+        byte[] data2 = writeDataAndGetAIS(true);
+
+        if (data1.length != data2.length) {
+                out("# data1.length != data2.length!");
+                failed = true;
+        } else {
+                for (int i = 0 ; i < data1.length; i++) {
+                        if (data1[i] != data2[i]) {
+                                out("# At index "+i+": le="+(data1[i] & 0xFF)+" be="+(data2[i] & 0xFF)+" !");
+                                failed = true;
+                        }
+                }
+        }
+
+        if (failed) throw new Exception("Test FAILED!");
+        out("Files are identical.");
+        out("test passed");
+    }
+
+    static void out(String s) {
+        System.out.println(s);
+    }
+}