1 /*

     2  * Copyright (c) 2004, 2016, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 import javax.sound.midi.MidiSystem;

    25 import javax.sound.midi.MidiUnavailableException;

    26 import javax.sound.midi.Synthesizer;

    27 

    28 /**

    29  * @test

    30  * @bug 5029790

    31  * @summary Synthesizer.getLatency returns wrong value

    32  */

    33 public class SynthesizerGetLatency {

    34 

    35     public static void main(String args[]) throws Exception {

    36         Synthesizer synth = null;

    37         boolean failed = false;

    38         boolean notexec = false;

    39         try {

    40             synth = MidiSystem.getSynthesizer();

    41             System.out.println("Got synth: "+synth);

    42             synth.open();

    43 

    44             int latency = (int) synth.getLatency();

    45             System.out.println("  -> latency: "

    46                                +latency

    47                                +" microseconds");

    48             if (latency < 5000 && latency > 0) {

    49                 System.out.println("## This latency is VERY small, probably due to this bug.");

    50                 System.out.println("## This causes failure of this test.");

    51                 failed = true;

    52             }

    53         } catch (MidiUnavailableException mue) {

    54             System.err.println("MidiUnavailableException was "

    55                                +"thrown: " + mue);

    56             System.out.println("could not test.");

    57             notexec = true;

    58         } catch(SecurityException se) {

    59             se.printStackTrace();

    60             System.err.println("Sound access is not denied but "

    61             + "SecurityException was thrown!");

    62             notexec = true;

    63         } finally {

    64             if (synth != null) synth.close();

    65         }

    66 

    67 

    68         if (failed) {

    69             throw new Exception("Test FAILED!");

    70         }

    71         if (notexec) {

    72             System.out.println("Test not failed.");

    73         } else {

    74             System.out.println("Test Passed.");

    75         }

    76     }

    77 }