92 lines
3.2 KiB
Java
92 lines
3.2 KiB
Java
/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8068749
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* @run main ServiceRegistryRestriction
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* @summary Tests ServiceRegistry's restriction on handling
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* only standard Image I/O service types.
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*/
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import java.util.*;
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import java.util.function.Consumer;
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import javax.imageio.spi.*;
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public class ServiceRegistryRestriction {
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static class DummyTestSpi {
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}
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ClassLoader cl = ServiceRegistryRestriction.class.getClassLoader();
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<T> void construct(Class<T> clazz) {
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List<Class<?>> list = Arrays.<Class<?>>asList(clazz);
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ServiceRegistry sr = new ServiceRegistry(list.iterator());
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}
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<T> void lookup(Class<T> clazz) {
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Iterator<T> i = ServiceRegistry.lookupProviders(clazz);
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}
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<T> void lookupCL(Class<T> clazz) {
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Iterator<T> i = ServiceRegistry.lookupProviders(clazz, cl);
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}
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<T> void doOneTest(String label, Class<T> clazz, boolean expectFail, Consumer<Class<T>> op) {
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System.out.printf("testing %s with %s...", label, clazz.getName());
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try {
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op.accept(clazz);
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if (expectFail) {
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throw new AssertionError("fail, operation succeeded unexpectedly");
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} else {
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System.out.println("success");
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}
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} catch (IllegalArgumentException iae) {
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if (expectFail) {
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System.out.println("success, got expected IAE");
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} else {
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throw new AssertionError("fail, unexpected exception", iae);
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}
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}
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}
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void doTests(Class<?> clazz, boolean expectFail) {
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doOneTest("constructor", clazz, expectFail, this::construct);
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doOneTest("lookup", clazz, expectFail, this::lookup);
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doOneTest("lookupCL", clazz, expectFail, this::lookupCL);
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}
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void run() {
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doTests(ImageInputStreamSpi.class, false);
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doTests(ImageOutputStreamSpi.class, false);
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doTests(ImageReaderSpi.class, false);
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doTests(ImageTranscoderSpi.class, false);
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doTests(ImageWriterSpi.class, false);
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doTests(DummyTestSpi.class, true);
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}
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public static void main(String[] args) {
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new ServiceRegistryRestriction().run();
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}
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}
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