jdk/test/javax/sound/midi/Soundbanks/ExtraCharInSoundbank.java
changeset 41905 e8e5df013c6e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/sound/midi/Soundbanks/ExtraCharInSoundbank.java	Mon Oct 31 14:50:09 2016 +0300
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2002, 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.midi.Instrument;
+import javax.sound.midi.MidiSystem;
+import javax.sound.midi.Soundbank;
+import javax.sound.midi.Synthesizer;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.Mixer;
+
+/**
+ * @test
+ * @bug 4429762
+ * @summary Some instrument names in some soundbanks include bad extra characters
+ */
+public class ExtraCharInSoundbank {
+
+    private static void printName(String loadedName)
+    {
+        System.out.println("Loaded Name: " + loadedName);
+        byte[] theLoadedNameByteArray = loadedName.getBytes();
+
+        System.out.print("Name Bytes: ");
+        for(int i = 0; i < theLoadedNameByteArray.length; i++)
+            System.out.print((Integer.toHexString((int)theLoadedNameByteArray[i]).toUpperCase()) + " ");
+        System.out.println("");
+        System.out.println("");
+    }
+
+    private static boolean containsControlChar(String name) {
+        byte[] bytes = name.getBytes();
+        for (int i = 0; i < bytes.length; i++) {
+            if (bytes[i] < 32) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static boolean checkInstrumentNames(Synthesizer theSynthesizer)
+    {
+        boolean containsControlCharacters = false;
+
+        Instrument[] theLoadedInstruments = theSynthesizer.getLoadedInstruments();
+
+        System.out.println("Checking soundbank...");
+        for(int theInstrumentIndex = 0; theInstrumentIndex < theLoadedInstruments.length; theInstrumentIndex++) {
+            String name = theLoadedInstruments[theInstrumentIndex].getName();
+            if (containsControlChar(name)) {
+                containsControlCharacters = true;
+                System.out.print("Instrument[" + theInstrumentIndex + "] contains unexpected control characters: ");
+                printName(name);
+            }
+        }
+        return !containsControlCharacters;
+    }
+
+    public static void main(String[] args) throws Exception {
+        // the internal synthesizer needs a soundcard to work properly
+        if (!isSoundcardInstalled()) {
+            return;
+        }
+        Synthesizer theSynth = MidiSystem.getSynthesizer();
+        System.out.println("Got synth: "+theSynth);
+        theSynth.open();
+        try {
+            Soundbank theSoundbank = theSynth.getDefaultSoundbank();
+            System.out.println("Got soundbank: "+theSoundbank);
+            theSynth.loadAllInstruments(theSoundbank);
+            try {
+                    if (!checkInstrumentNames(theSynth)) {
+                            throw new Exception("Test failed");
+                    }
+            } finally {
+                    theSynth.unloadAllInstruments(theSoundbank);
+            }
+        } finally {
+            theSynth.close();
+        }
+        System.out.println("Test passed.");
+    }
+
+    /**
+     * Returns true if at least one soundcard is correctly installed
+     * on the system.
+     */
+    public static boolean isSoundcardInstalled() {
+        boolean result = false;
+        try {
+            Mixer.Info[] mixers = AudioSystem.getMixerInfo();
+            if (mixers.length > 0) {
+                result = AudioSystem.getSourceDataLine(null) != null;
+            }
+        } catch (Exception e) {
+            System.err.println("Exception occured: "+e);
+        }
+        if (!result) {
+            System.err.println("Soundcard does not exist or sound drivers not installed!");
+            System.err.println("This test requires sound drivers for execution.");
+        }
+        return result;
+    }
+}