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/*
* 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.
*/
/*
* @test
* @bug 8068749
* @run main ServiceRegistryRestriction
* @summary Tests ServiceRegistry's restriction on handling
* only standard Image I/O service types.
*/
import java.util.*;
import java.util.function.Consumer;
import javax.imageio.spi.*;
public class ServiceRegistryRestriction {
static class DummyTestSpi {
}
ClassLoader cl = ServiceRegistryRestriction.class.getClassLoader();
<T> void construct(Class<T> clazz) {
List<Class<?>> list = Arrays.<Class<?>>asList(clazz);
ServiceRegistry sr = new ServiceRegistry(list.iterator());
}
<T> void lookup(Class<T> clazz) {
Iterator<T> i = ServiceRegistry.lookupProviders(clazz);
}
<T> void lookupCL(Class<T> clazz) {
Iterator<T> i = ServiceRegistry.lookupProviders(clazz, cl);
}
<T> void doOneTest(String label, Class<T> clazz, boolean expectFail, Consumer<Class<T>> op) {
System.out.printf("testing %s with %s...", label, clazz.getName());
try {
op.accept(clazz);
if (expectFail) {
throw new AssertionError("fail, operation succeeded unexpectedly");
} else {
System.out.println("success");
}
} catch (IllegalArgumentException iae) {
if (expectFail) {
System.out.println("success, got expected IAE");
} else {
throw new AssertionError("fail, unexpected exception", iae);
}
}
}
void doTests(Class<?> clazz, boolean expectFail) {
doOneTest("constructor", clazz, expectFail, this::construct);
doOneTest("lookup", clazz, expectFail, this::lookup);
doOneTest("lookupCL", clazz, expectFail, this::lookupCL);
}
void run() {
doTests(ImageInputStreamSpi.class, false);
doTests(ImageOutputStreamSpi.class, false);
doTests(ImageReaderSpi.class, false);
doTests(ImageTranscoderSpi.class, false);
doTests(ImageWriterSpi.class, false);
doTests(DummyTestSpi.class, true);
}
public static void main(String[] args) {
new ServiceRegistryRestriction().run();
}
}
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