95 lines
3.4 KiB
Java
95 lines
3.4 KiB
Java
/*
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* Copyright (c) 2016, 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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import java.lang.module.ModuleDescriptor;
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import java.lang.module.ModuleDescriptor.Requires.Modifier;
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import java.lang.module.ModuleFinder;
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import java.lang.module.ModuleReference;
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import java.util.Collections;
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import java.util.EnumSet;
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import java.util.Map;
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import java.util.Set;
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import jdk.internal.misc.JavaLangModuleAccess;
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import jdk.internal.misc.SharedSecrets;
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import org.testng.annotations.Test;
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import static org.testng.Assert.*;
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/**
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* @test
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* @modules java.base/jdk.internal.misc
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* @run testng SystemModulesTest
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* @summary Verify the properties of ModuleDescriptor created
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* by SystemModules
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*/
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public class SystemModulesTest {
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private static final JavaLangModuleAccess jlma = SharedSecrets.getJavaLangModuleAccess();
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/**
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* Verify ModuleDescriptor contains unmodifiable sets
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*/
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@Test
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public void testUnmodifableDescriptors() throws Exception {
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ModuleFinder.ofSystem().findAll()
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.stream()
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.map(ModuleReference::descriptor)
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.forEach(this::testModuleDescriptor);
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}
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private void testModuleDescriptor(ModuleDescriptor md) {
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assertUnmodifiable(md.conceals(), "conceal");
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assertUnmodifiable(md.packages(), "package");
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assertUnmodifiable(md.requires(),
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jlma.newRequires(EnumSet.allOf(Modifier.class), "require"));
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assertUnmodifiable(md.exports(), jlma.newExports("export"));
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assertUnmodifiable(md.uses(), "use");
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assertUnmodifiable(md.provides(), "provide",
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jlma.newProvides("provide", Collections.singleton("provide")));
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}
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private <T> void assertUnmodifiable(Set<T> set, T dummy) {
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try {
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set.add(dummy);
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fail("Should throw UnsupportedOperationException");
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} catch (UnsupportedOperationException e) {
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// pass
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} catch (Exception e) {
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fail("Should throw UnsupportedOperationException");
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}
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}
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private <T, V> void assertUnmodifiable(Map<T, V> set, T dummyKey, V dummyValue) {
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try {
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set.put(dummyKey, dummyValue);
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fail("Should throw UnsupportedOperationException");
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} catch (UnsupportedOperationException e) {
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// pass
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} catch (Exception e) {
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fail("Should throw UnsupportedOperationException");
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}
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}
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}
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