jdk/test/javax/sound/midi/Devices/ClosedReceiver.java
changeset 41905 e8e5df013c6e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/sound/midi/Devices/ClosedReceiver.java	Mon Oct 31 14:50:09 2016 +0300
@@ -0,0 +1,184 @@
+/*
+ * 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.midi.InvalidMidiDataException;
+import javax.sound.midi.MidiDevice;
+import javax.sound.midi.MidiSystem;
+import javax.sound.midi.MidiUnavailableException;
+import javax.sound.midi.Receiver;
+import javax.sound.midi.Sequencer;
+import javax.sound.midi.ShortMessage;
+import javax.sound.midi.Synthesizer;
+
+/**
+ * @test
+ * @bug 4616517
+ * @summary Receiver.send() does not work properly
+ */
+public class ClosedReceiver {
+
+    public static void main(String[] args) throws Exception {
+        out("#4616517: Receiver.send() does not work properly");
+        if (!isMidiInstalled()) {
+            out("Soundcard does not exist or sound drivers not installed!");
+            out("This test requires sound drivers for execution.");
+            return;
+        }
+
+        boolean passed = true;
+
+        passed &= testReceiverSend();
+        passed &= testClosedReceivers();
+        if (passed) {
+            out("Test PASSED.");
+        } else {
+            throw new Exception("Test FAILED.");
+        }
+    }
+
+    /**
+     * Execute Receiver.send() and expect that there is no exception.
+     */
+    private static boolean testReceiverSend() {
+        boolean result = true;
+
+        Receiver receiver;
+        ShortMessage shMsg = new ShortMessage();
+
+        try {
+            receiver = MidiSystem.getReceiver();
+            shMsg.setMessage(ShortMessage.NOTE_ON, 0,60, 93);
+            try {
+                receiver.send( shMsg, -1 );
+            } catch(IllegalStateException ilEx) {
+                ilEx.printStackTrace(System.out);
+                out("IllegalStateException was thrown incorrectly!");
+                result = false;
+            }
+            receiver.close();
+        } catch(MidiUnavailableException e) {
+            out("Midi unavailable, cannot test.");
+        } catch(InvalidMidiDataException ine) {
+            out("InvalidMidiDataException, cannot test.");
+        }
+        return result;
+    }
+
+    private static boolean testClosedReceivers() {
+        boolean result = true;
+        Receiver receiver;
+        Synthesizer synt = null;
+
+        // test Synthesizer's Receiver
+        try {
+            synt = MidiSystem.getSynthesizer();
+            synt.open();
+        } catch(MidiUnavailableException e) {
+            out("Midi unavailable, cannot test.");
+            return result;
+        }
+        try {
+            receiver = synt.getReceiver();
+        } catch (MidiUnavailableException e) {
+            out("unable to get Receiver from synthesizer, cannot test.");
+            return result;
+        }
+        result &= testClosedReceiver(receiver);
+        synt.close();
+
+        // test all MidiDevices' Receivers
+
+        MidiDevice.Info[] devices = MidiSystem.getMidiDeviceInfo();
+        for (int i = 0; i < devices.length; i++) {
+            try {
+                MidiDevice device = MidiSystem.getMidiDevice(devices[i]);
+                if (device.getMaxReceivers() != 0) {
+                    receiver = device.getReceiver();
+                    result &= testClosedReceiver(receiver);
+                }
+            } catch (Exception e) {
+                out(e);
+                out("cannot test.");
+                return result;
+            }
+        }
+        return result;
+    }
+
+    /**
+     * Execute send() on a closed Receivers and expect IllegalStateException.
+     */
+    private static boolean testClosedReceiver(Receiver receiver) {
+        boolean result = true;
+        out("testing Receiver: " + receiver);
+        ShortMessage shMsg = new ShortMessage();
+        try {
+            shMsg.setMessage(ShortMessage.NOTE_ON, 0,60, 93);
+        } catch(InvalidMidiDataException e) {
+            out(e);
+            out("unable to construct ShortMessage, cannot test.");
+            return result;
+        }
+
+        // begin of test
+        receiver.close();
+        try {
+            receiver.send( shMsg, -1 );
+            out("IllegalStateException was not thrown "
+                + "on Receiver.send()!");
+            result = false;
+        } catch(IllegalStateException e) {
+            out("IllegalStateException was thrown. Ok.");
+        }
+        return result;
+    }
+
+    private static void out(Throwable t) {
+        t.printStackTrace(System.out);
+    }
+
+    private static void out(String message) {
+        System.out.println(message);
+    }
+
+    /**
+     * Returns true if at least one MIDI (port) device is correctly installed on
+     * the system.
+     */
+    private static boolean isMidiInstalled() {
+        boolean result = false;
+        MidiDevice.Info[] devices = MidiSystem.getMidiDeviceInfo();
+        for (int i = 0; i < devices.length; i++) {
+            try {
+                MidiDevice device = MidiSystem.getMidiDevice(devices[i]);
+                result = !(device instanceof Sequencer)
+                        && !(device instanceof Synthesizer);
+            } catch (Exception e1) {
+                System.err.println(e1);
+            }
+            if (result)
+                break;
+        }
+        return result;
+    }
+}