--- /dev/null	2015-11-27 15:25:50.000000000 +0300
+++ new/test/javax/sound/midi/spi/MidiDeviceProvider/ExpectedNPEOnNull.java	2015-11-27 15:25:49.000000000 +0300
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2015, 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 java.util.Objects;
+
+import javax.sound.midi.MidiDevice;
+import javax.sound.midi.MidiSystem;
+import javax.sound.midi.spi.MidiDeviceProvider;
+
+import static java.util.ServiceLoader.load;
+
+/**
+ * @test
+ * @bug 8143909
+ * @author Sergey Bylokhov
+ */
+public final class ExpectedNPEOnNull {
+
+    public static void main(final String[] args) throws Exception {
+        testMS();
+        for (final MidiDeviceProvider mdp : load(MidiDeviceProvider.class)) {
+            testMDP(mdp);
+        }
+        testMDP(customMDP);
+    }
+
+    /**
+     * Tests the part of MidiSystem API, which implemented via
+     * MidiDeviceProvider.
+     */
+    private static void testMS() throws Exception {
+        // MidiSystem#getMidiDevice(MidiDevice.Info)
+        try {
+            MidiSystem.getMidiDevice(null);
+            throw new RuntimeException("NPE is expected");
+        } catch (final NullPointerException ignored) {
+        }
+    }
+
+    /**
+     * Tests the MidiDeviceProvider API directly.
+     */
+    private static void testMDP(final MidiDeviceProvider mdp) throws Exception {
+        // MidiDeviceProvider#isDeviceSupported(Info)
+        try {
+            mdp.isDeviceSupported(null);
+            throw new RuntimeException("NPE is expected");
+        } catch (final NullPointerException ignored) {
+        }
+        // MidiDeviceProvider#getDevice(Info)
+        try {
+            mdp.getDevice(null);
+            throw new RuntimeException("NPE is expected");
+        } catch (final NullPointerException ignored) {
+        }
+    }
+
+    /**
+     * Tests some default implementation of MidiDeviceProvider API, using the
+     * custom {@code MidiDeviceProvider}, which support nothing.
+     */
+    static MidiDeviceProvider customMDP = new MidiDeviceProvider() {
+        @Override
+        public MidiDevice.Info[] getDeviceInfo() {
+            return new MidiDevice.Info[0];
+        }
+
+        @Override
+        public MidiDevice getDevice(MidiDevice.Info info) {
+            Objects.requireNonNull(info);
+            return null;
+        }
+    };
+}