author | erikj |
Tue, 12 Sep 2017 19:03:39 +0200 | |
changeset 47216 | 71c04702a3d5 |
parent 45652 | jdk/test/java/lang/ModuleTests/BasicModuleTest.java@33342314ce89 |
permissions | -rw-r--r-- |
44545 | 1 |
/* |
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* Copyright (c) 2014, 2017, 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.Exports; |
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import java.lang.module.ResolvedModule; |
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import java.nio.file.spi.FileSystemProvider; // service type in java.base |
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import java.util.function.Predicate; |
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import java.util.stream.Stream; |
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import javax.print.PrintServiceLookup; // service type in java.desktop |
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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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* @summary Basic test of java.lang.Module |
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* @modules java.desktop java.xml |
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45652
33342314ce89
8181087: Module system implementation refresh (6/2017)
alanb
parents:
44545
diff
changeset
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* @run testng/othervm --illegal-access=deny BasicModuleTest |
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*/ |
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public class BasicModuleTest { |
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/** |
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* Tests that the given module reads all modules in the boot layer. |
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*/ |
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private void testReadsAllBootModules(Module m) { |
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ModuleLayer bootLayer = ModuleLayer.boot(); |
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bootLayer.configuration() |
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.modules() |
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.stream() |
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.map(ResolvedModule::name) |
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.map(bootLayer::findModule) |
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.forEach(target -> assertTrue(m.canRead(target.get()))); |
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} |
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/** |
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* Returns a {@code Predicate} to test if a package is exported. |
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*/ |
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private Predicate<Exports> doesExport(String pn) { |
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return e -> (e.source().equals(pn) && !e.isQualified()); |
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} |
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@Test |
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public void testThisModule() { |
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Module thisModule = BasicModuleTest.class.getModule(); |
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Module baseModule = Object.class.getModule(); |
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assertFalse(thisModule.isNamed()); |
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assertTrue(thisModule.getName() == null); |
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assertTrue(thisModule.getDescriptor() == null); |
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assertTrue(thisModule.getLayer() == null); |
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assertTrue(thisModule.toString().startsWith("unnamed module ")); |
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ClassLoader thisLoader = BasicModuleTest.class.getClassLoader(); |
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assertTrue(thisLoader == thisModule.getClassLoader()); |
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assertTrue(thisLoader.getUnnamedModule() == thisModule); |
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// unnamed modules read all other modules |
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ClassLoader cl; |
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cl = ClassLoader.getPlatformClassLoader(); |
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assertTrue(thisModule.canRead(cl.getUnnamedModule())); |
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cl = ClassLoader.getSystemClassLoader(); |
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assertTrue(thisModule.canRead(cl.getUnnamedModule())); |
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testReadsAllBootModules(thisModule); |
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// unnamed modules export all packages |
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assertTrue(thisModule.isExported("")); |
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assertTrue(thisModule.isExported("", thisModule)); |
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assertTrue(thisModule.isExported("", baseModule)); |
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assertTrue(thisModule.isExported("p")); |
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assertTrue(thisModule.isExported("p", thisModule)); |
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assertTrue(thisModule.isExported("p", baseModule)); |
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// this test is in the unnamed package |
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assertTrue(thisModule.getPackages().contains("")); |
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} |
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@Test |
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public void testUnnamedModules() { |
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Module thisModule = BasicModuleTest.class.getModule(); |
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Module baseModule = Object.class.getModule(); |
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ClassLoader loader1 = ClassLoader.getSystemClassLoader(); |
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ClassLoader loader2 = loader1.getParent(); |
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Module m1 = loader1.getUnnamedModule(); |
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Module m2 = loader2.getUnnamedModule(); |
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assertTrue(m1 != m2); |
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assertFalse(m1.isNamed()); |
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assertFalse(m2.isNamed()); |
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assertTrue(m1.getLayer() == null); |
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assertTrue(m2.getLayer() == null); |
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assertTrue(m1.toString().startsWith("unnamed module ")); |
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assertTrue(m2.toString().startsWith("unnamed module ")); |
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// unnamed module reads all modules |
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assertTrue(m1.canRead(m2)); |
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assertTrue(m2.canRead(m1)); |
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testReadsAllBootModules(m1); |
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testReadsAllBootModules(m2); |
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assertTrue(m1.isExported("")); |
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assertTrue(m1.isExported("", thisModule)); |
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assertTrue(m1.isExported("", baseModule)); |
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assertTrue(m1.isExported("p")); |
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assertTrue(m1.isExported("p", thisModule)); |
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assertTrue(m1.isExported("p", baseModule)); |
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} |
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@Test |
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public void testBaseModule() { |
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Module base = Object.class.getModule(); |
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Module thisModule = BasicModuleTest.class.getModule(); |
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// getName |
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assertTrue(base.getName().equals("java.base")); |
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// getDescriptor |
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assertTrue(base.getDescriptor().exports().stream() |
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.anyMatch(doesExport("java.lang"))); |
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// getClassLoader |
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assertTrue(base.getClassLoader() == null); |
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// getLayer |
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assertTrue(base.getLayer() == ModuleLayer.boot()); |
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// toString |
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assertEquals(base.toString(), "module java.base"); |
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// getPackages |
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assertTrue(base.getPackages().contains("java.lang")); |
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// canRead |
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assertTrue(base.canRead(base)); |
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assertFalse(base.canRead(thisModule)); |
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// addReads |
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try { |
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base.addReads(thisModule); |
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assertTrue(false); |
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} catch (IllegalCallerException expected) { } |
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assertFalse(base.canRead(thisModule)); |
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// isExported |
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assertTrue(base.isExported("java.lang")); |
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assertTrue(base.isExported("java.lang", thisModule)); |
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assertTrue(base.isExported("java.lang", base)); |
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assertFalse(base.isExported("jdk.internal.misc")); |
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assertFalse(base.isExported("jdk.internal.misc", thisModule)); |
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assertTrue(base.isExported("jdk.internal.misc", base)); |
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assertFalse(base.isExported("java.wombat")); |
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assertFalse(base.isExported("java.wombat", thisModule)); |
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assertFalse(base.isExported("java.wombat", base)); |
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// addExports |
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try { |
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base.addExports("java.lang", thisModule); |
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assertTrue(false); |
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} catch (IllegalCallerException expected) { } |
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try { |
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base.addExports("jdk.internal.misc", thisModule); |
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assertTrue(false); |
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} catch (IllegalCallerException expected) { } |
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assertFalse(base.isExported("jdk.internal.misc")); |
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assertFalse(base.isExported("jdk.internal.misc", thisModule)); |
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// isOpen |
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assertFalse(base.isOpen("java.lang")); |
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assertFalse(base.isOpen("java.lang", thisModule)); |
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assertTrue(base.isOpen("java.lang", base)); |
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assertFalse(base.isOpen("jdk.internal.misc")); |
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assertFalse(base.isOpen("jdk.internal.misc", thisModule)); |
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assertTrue(base.isOpen("jdk.internal.misc", base)); |
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assertFalse(base.isOpen("java.wombat")); |
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assertFalse(base.isOpen("java.wombat", thisModule)); |
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assertFalse(base.isOpen("java.wombat", base)); |
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// addOpens |
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try { |
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base.addOpens("jdk.internal.misc", thisModule); |
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assertTrue(false); |
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} catch (IllegalCallerException expected) { } |
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assertFalse(base.isOpen("jdk.internal.misc")); |
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assertFalse(base.isOpen("jdk.internal.misc", thisModule)); |
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// canUse |
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assertTrue(base.canUse(FileSystemProvider.class)); |
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assertFalse(base.canUse(Thread.class)); |
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// addUses |
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try { |
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base.addUses(FileSystemProvider.class); |
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assertTrue(false); |
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} catch (IllegalCallerException expected) { } |
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try { |
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base.addUses(Thread.class); |
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assertTrue(false); |
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} catch (IllegalCallerException expected) { } |
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assertFalse(base.canUse(Thread.class)); |
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} |
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@Test |
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public void testDesktopModule() { |
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Module desktop = java.awt.Component.class.getModule(); |
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Module base = Object.class.getModule(); |
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Module xml = javax.xml.XMLConstants.class.getModule(); |
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Module thisModule = BasicModuleTest.class.getModule(); |
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// name |
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assertTrue(desktop.getName().equals("java.desktop")); |
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// descriptor |
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assertTrue(desktop.getDescriptor().exports().stream() |
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.anyMatch(doesExport("java.awt"))); |
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// getClassLoader |
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assertTrue(desktop.getClassLoader() == null); |
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// getLayer |
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assertTrue(desktop.getLayer() == ModuleLayer.boot()); |
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// toString |
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assertEquals(desktop.toString(), "module java.desktop"); |
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// getPackages |
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assertTrue(desktop.getPackages().contains("java.awt")); |
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assertTrue(desktop.getPackages().contains("sun.awt")); |
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// canRead |
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assertTrue(desktop.canRead(base)); |
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assertTrue(desktop.canRead(xml)); |
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// addReads |
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try { |
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desktop.addReads(thisModule); |
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assertTrue(false); |
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} catch (IllegalCallerException expected) { } |
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assertFalse(desktop.canRead(thisModule)); |
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// isExported |
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assertTrue(desktop.isExported("java.awt")); |
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assertTrue(desktop.isExported("java.awt", thisModule)); |
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assertFalse(desktop.isExported("sun.awt")); |
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assertFalse(desktop.isExported("sun.awt", thisModule)); |
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assertTrue(desktop.isExported("sun.awt", desktop)); |
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assertFalse(desktop.isExported("java.wombat")); |
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assertFalse(desktop.isExported("java.wombat", thisModule)); |
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assertFalse(desktop.isExported("java.wombat", base)); |
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// addExports |
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try { |
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desktop.addExports("java.awt", thisModule); |
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assertTrue(false); |
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} catch (IllegalCallerException expected) { } |
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try { |
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desktop.addExports("sun.awt", thisModule); |
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assertTrue(false); |
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} catch (IllegalCallerException expected) { } |
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assertFalse(desktop.isExported("sun.awt")); |
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assertFalse(desktop.isExported("sun.awt", thisModule)); |
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// isOpen |
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assertFalse(desktop.isOpen("java.awt")); |
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assertFalse(desktop.isOpen("java.awt", thisModule)); |
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assertTrue(desktop.isOpen("java.awt", desktop)); |
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assertFalse(desktop.isOpen("sun.awt")); |
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assertFalse(desktop.isOpen("sun.awt", thisModule)); |
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assertTrue(desktop.isOpen("sun.awt", desktop)); |
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assertFalse(desktop.isOpen("java.wombat")); |
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assertFalse(desktop.isOpen("java.wombat", thisModule)); |
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assertFalse(desktop.isOpen("java.wombat", desktop)); |
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// addOpens |
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try { |
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base.addOpens("sun.awt", thisModule); |
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assertTrue(false); |
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} catch (IllegalCallerException expected) { } |
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assertFalse(desktop.isOpen("sun.awt")); |
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assertFalse(desktop.isOpen("sun.awt", thisModule)); |
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// canUse |
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assertTrue(base.canUse(FileSystemProvider.class)); |
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assertFalse(base.canUse(Thread.class)); |
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// addUses |
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try { |
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desktop.addUses(PrintServiceLookup.class); |
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assertTrue(false); |
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} catch (IllegalCallerException expected) { } |
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try { |
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desktop.addUses(Thread.class); |
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assertTrue(false); |
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} catch (IllegalCallerException expected) { } |
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assertFalse(desktop.canUse(Thread.class)); |
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} |
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} |