--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/sound/sampled/spi/MixerProvider/ExpectedNPEOnNull.java Sun Nov 22 17:27:33 2015 +0300
@@ -0,0 +1,88 @@
+/*
+ * 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 javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.Mixer;
+import javax.sound.sampled.spi.MixerProvider;
+
+import static java.util.ServiceLoader.load;
+
+/**
+ * @test
+ * @bug 8135100
+ * @author Sergey Bylokhov
+ */
+public final class ExpectedNPEOnNull {
+
+ public static void main(final String[] args) throws Exception {
+ testAS();
+ for (final MixerProvider mp : load(MixerProvider.class)) {
+ testMP(mp);
+ }
+ testMP(customMP);
+ }
+
+ /**
+ * Tests the part of AudioSystem API, which implemented via MixerProvider.
+ */
+ private static void testAS() {
+ try {
+ AudioSystem.getMixer(null); // null should be accepted
+ } catch (final SecurityException | IllegalArgumentException ignored) {
+ // skip the specified exceptions only
+ }
+ }
+
+ /**
+ * Tests the MixerProvider API directly.
+ */
+ private static void testMP(MixerProvider mp) {
+ try {
+ mp.isMixerSupported(null);
+ throw new RuntimeException("NPE is expected: " + mp);
+ } catch (final NullPointerException ignored) {
+
+ }
+ try {
+ mp.getMixer(null); // null should be accepted
+ } catch (SecurityException | IllegalArgumentException e) {
+ // skip the specified exceptions only
+ }
+ }
+
+ /**
+ * Tests some default implementation of MixerProvider API, using the
+ * custom {@code MixerProvider}, which support nothing.
+ */
+ static final MixerProvider customMP = new MixerProvider() {
+ @Override
+ public Mixer.Info[] getMixerInfo() {
+ return new Mixer.Info[0];
+ }
+
+ @Override
+ public Mixer getMixer(Mixer.Info info) {
+ return null;
+ }
+ };
+}