jdk/test/javax/sound/midi/Transmitter/bug6415669.java
changeset 41905 e8e5df013c6e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/sound/midi/Transmitter/bug6415669.java	Mon Oct 31 14:50:09 2016 +0300
@@ -0,0 +1,118 @@
+/*
+ * 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 javax.sound.midi.MidiSystem;
+import javax.sound.midi.MidiUnavailableException;
+import javax.sound.midi.Transmitter;
+
+/**
+ * @test
+ * @bug 6415669
+ * @summary Tests that terminating thread which got transmitter doesn't cause
+ *          JVM crash (windows)
+ * @run main bug6415669
+ */
+public class bug6415669 {
+
+    public static void main(String args[]) throws Exception {
+        String osStr = System.getProperty("os.name");
+        boolean isWin = osStr.toLowerCase().startsWith("windows");
+        log("OS: " + osStr);
+        log("Arch: " + System.getProperty("os.arch"));
+        if (!isWin) {
+            log("The test is for Windows only");
+            return;
+        }
+
+        bug6415669 This = new bug6415669();
+        if (This.test()) {
+            log("Test sucessfully passed.");
+        } else {
+            log("Test FAILED!");
+            throw new RuntimeException("Test FAILED!");
+        }
+    }
+
+    volatile Transmitter transmitter = null;
+    Thread openThread = null;
+    boolean test() {
+        openThread = new Thread(new Runnable() {
+            public void run() {
+                try {
+                    log("openThread: getting transmitter...");
+                    transmitter = MidiSystem.getTransmitter();
+                    log("openThread:   - OK: " + transmitter);
+                } catch (MidiUnavailableException ex) {
+                    log("openThread:   - Exception: ");
+                    ex.printStackTrace(System.out);
+                    log("openThread: skipping...");
+                }
+                log("openThread: exiting...");
+            }
+        });
+        log("starting openThread...");
+        openThread.start();
+
+        while (openThread.isAlive())
+            delay(500);
+        // make additional delay
+        delay(500);
+
+        if (transmitter == null) {
+            return true;   // midi is not available, just ignore
+        }
+
+        log("closing transmitter");
+        transmitter.close();
+        log("  - OK");
+
+        return true;
+    }
+
+    // helper routines
+    static long startTime = currentTimeMillis();
+    static long currentTimeMillis() {
+        //return System.nanoTime() / 1000000L;
+        return System.currentTimeMillis();
+    }
+    static void log(String s) {
+        long time = currentTimeMillis() - startTime;
+        long ms = time % 1000;
+        time /= 1000;
+        long sec = time % 60;
+        time /= 60;
+        long min = time % 60;
+        time /= 60;
+        System.out.println(""
+                + (time < 10 ? "0" : "") + time
+                + ":" + (min < 10 ? "0" : "") + min
+                + ":" + (sec < 10 ? "0" : "") + sec
+                + "." + (ms < 10 ? "00" : (ms < 100 ? "0" : "")) + ms
+                + " (" + Thread.currentThread().getName() + ") " + s);
+    }
+    static void delay(int millis) {
+        try {
+            Thread.sleep(millis);
+        } catch (InterruptedException e) {}
+    }
+}