jdk/test/javax/sound/midi/Sequencer/SeqRecordsRealTimeEvents.java
changeset 41905 e8e5df013c6e
child 44656 72decb1e4935
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/sound/midi/Sequencer/SeqRecordsRealTimeEvents.java	Mon Oct 31 14:50:09 2016 +0300
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2004, 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.MidiEvent;
+import javax.sound.midi.MidiMessage;
+import javax.sound.midi.MidiSystem;
+import javax.sound.midi.Receiver;
+import javax.sound.midi.Sequence;
+import javax.sound.midi.Sequencer;
+import javax.sound.midi.ShortMessage;
+import javax.sound.midi.Track;
+
+/**
+ * @test
+ * @bug 5048381
+ * @summary Sequencer records real time messages into the sequence
+ * @key headful
+ */
+public class SeqRecordsRealTimeEvents {
+    public static void main(String argv[]) throws Exception {
+        Sequencer s = MidiSystem.getSequencer();
+        s.open();
+        try {
+            Sequence seq = new Sequence(Sequence.PPQ, 384, 2);
+            s.setSequence(seq);
+            Track t = seq.getTracks()[0];
+            ShortMessage msg = new ShortMessage();
+            msg.setMessage(0x90, 0x40, 0x7F);
+            t.add(new MidiEvent(msg, 11000));
+            msg = new ShortMessage();
+            msg.setMessage(0x90, 0x40, 0x00);
+            t.add(new MidiEvent(msg, 12000));
+            t = seq.getTracks()[1];
+            s.recordEnable(t, -1);
+            System.out.println("Started recording...");
+            s.startRecording();
+            Receiver r = s.getReceiver();
+            Thread.sleep(100);
+            int oldTrackSize = t.size();
+            // send a realtime message to the track
+            System.out.println("Recording real time message...");
+            msg = new ShortMessage();
+            msg.setMessage(0xF8, 0, 0);
+            r.send(msg, -1);
+            Thread.sleep(100);
+            // send a normal message
+            msg = new ShortMessage();
+            System.out.println("Recording a normal NOTE ON message...");
+            msg.setMessage(0x90, 0x40, 0x6F);
+            r.send(msg, -1);
+            Thread.sleep(100);
+            s.stop();
+            // now see if the messages were recorded
+            int newMessages = t.size() - oldTrackSize;
+            System.out.println("Recorded messages:");
+            for (int i = 0; i < t.size(); i++) {
+                System.out.print(" "+(i+1)+". ");
+                printEvent(t.get(i));
+            }
+            if (newMessages == 0) {
+                System.out.println("## Failed: No messages were recorded!");
+                throw new Exception("Test FAILED!");
+            } else if (newMessages == 1) {
+                System.out.println("Only one message was recorded. Correct!");
+            } else if (newMessages > 1) {
+                System.out.println("## Failed: 2 or more messages were recorded!");
+                throw new Exception("Test FAILED!");
+            }
+            System.out.println("Test passed.");
+        } catch (Exception e) {
+            System.out.println("Unexpected Exception: "+e);
+            //e.printStackTrace();
+            throw new Exception("Test FAILED!");
+        } finally {
+            s.close();
+        }
+    }
+    public static void printEvent(MidiEvent event)
+    {
+        MidiMessage message = event.getMessage();
+        long tick = event.getTick();
+        byte[] data = message.getMessage();
+
+        StringBuffer sb = new StringBuffer((data.length * 3) - 1);
+
+        for (int i = 0; i < data.length; i++)
+        {
+                sb.append(toHexByteString(data[i]));
+                if (i < data.length - 1) sb.append(' ');
+        }
+        System.out.printf("%5d: %s%n", tick, sb);
+    }
+
+    private static String toHexByteString(int n)
+    {
+        if (n < 0) n &= 0xFF;
+        String s = Integer.toHexString(n).toUpperCase();
+        if (s.length() == 1) s = '0' + s;
+        return s;
+    }
+}