--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/reflect/Module/BasicModuleTest.java Thu Mar 17 19:04:16 2016 +0000
@@ -0,0 +1,235 @@
+/*
+ * Copyright (c) 2014, 2016, 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 java.lang.module.ModuleDescriptor.Exports;
+import java.lang.module.ResolvedModule;
+import java.lang.reflect.Layer;
+import java.lang.reflect.Module;
+import java.util.function.Predicate;
+import java.util.stream.Stream;
+
+import org.testng.annotations.Test;
+import static org.testng.Assert.*;
+
+/*
+ * @test
+ * @summary Basic test of java.lang.reflect.Module
+ * @modules java.desktop java.xml
+ * @run testng BasicModuleTest
+ */
+
+public class BasicModuleTest {
+
+ /**
+ * Tests that the given module reads all modules in the boot Layer.
+ */
+ private void testReadsAllBootModules(Module m) {
+ Layer bootLayer = Layer.boot();
+ bootLayer.configuration()
+ .modules()
+ .stream()
+ .map(ResolvedModule::name)
+ .map(bootLayer::findModule)
+ .forEach(target -> assertTrue(m.canRead(target.get())));
+ }
+
+ /**
+ * Returns {@code true} if the array contains the given object.
+ */
+ private <T> boolean contains(T[] array, T obj) {
+ return Stream.of(array).anyMatch(obj::equals);
+ }
+
+ /**
+ * Returns a {@code Predicate} to test if a package is exported.
+ */
+ private Predicate<Exports> doesExport(String pn) {
+ return e -> (e.source().equals(pn) && !e.isQualified());
+ }
+
+
+
+ @Test
+ public void testThisModule() {
+ Module thisModule = BasicModuleTest.class.getModule();
+ Module baseModule = Object.class.getModule();
+
+ assertFalse(thisModule.isNamed());
+ assertTrue(thisModule.getName() == null);
+ assertTrue(thisModule.getDescriptor() == null);
+ assertTrue(thisModule.getLayer() == null);
+ assertTrue(thisModule.toString().startsWith("unnamed module "));
+
+ ClassLoader thisLoader = BasicModuleTest.class.getClassLoader();
+ assertTrue(thisLoader == thisModule.getClassLoader());
+ assertTrue(thisLoader.getUnnamedModule() == thisModule);
+
+ // unnamed modules read all other modules
+ ClassLoader cl;
+ cl = ClassLoader.getPlatformClassLoader();
+ assertTrue(thisModule.canRead(cl.getUnnamedModule()));
+ cl = ClassLoader.getSystemClassLoader();
+ assertTrue(thisModule.canRead(cl.getUnnamedModule()));
+ testReadsAllBootModules(thisModule);
+
+ // unnamed modules export all packages
+ assertTrue(thisModule.isExported(""));
+ assertTrue(thisModule.isExported("", thisModule));
+ assertTrue(thisModule.isExported("", baseModule));
+ assertTrue(thisModule.isExported("p"));
+ assertTrue(thisModule.isExported("p", thisModule));
+ assertTrue(thisModule.isExported("p", baseModule));
+
+ // this test is in the unnamed package
+ assertTrue(contains(thisModule.getPackages(), ""));
+ }
+
+
+ @Test
+ public void testUnnamedModules() {
+ Module thisModule = BasicModuleTest.class.getModule();
+ Module baseModule = Object.class.getModule();
+
+ ClassLoader loader1 = ClassLoader.getSystemClassLoader();
+ ClassLoader loader2 = loader1.getParent();
+
+ Module m1 = loader1.getUnnamedModule();
+ Module m2 = loader2.getUnnamedModule();
+
+ assertTrue(m1 != m2);
+
+ assertFalse(m1.isNamed());
+ assertFalse(m2.isNamed());
+
+ assertTrue(m1.getLayer() == null);
+ assertTrue(m2.getLayer() == null);
+
+ assertTrue(m1.toString().startsWith("unnamed module "));
+ assertTrue(m2.toString().startsWith("unnamed module "));
+
+ // unnamed module reads all modules
+ assertTrue(m1.canRead(m2));
+ assertTrue(m2.canRead(m1));
+
+ testReadsAllBootModules(m1);
+ testReadsAllBootModules(m2);
+
+ assertTrue(m1.isExported(""));
+ assertTrue(m1.isExported("", thisModule));
+ assertTrue(m1.isExported("", baseModule));
+ assertTrue(m1.isExported("p"));
+ assertTrue(m1.isExported("p", thisModule));
+ assertTrue(m1.isExported("p", baseModule));
+ }
+
+
+
+ @Test
+ public void testBaseModule() {
+ Module base = Object.class.getModule();
+ Module thisModule = BasicModuleTest.class.getModule();
+
+ // getName
+ assertTrue(base.getName().equals("java.base"));
+
+ // getDescriptor
+ assertTrue(base.getDescriptor().exports().stream()
+ .anyMatch(doesExport("java.lang")));
+
+ // getClassLoader
+ assertTrue(base.getClassLoader() == null);
+
+ // getLayer
+ assertTrue(base.getLayer() == Layer.boot());
+
+ // toString
+ assertEquals(base.toString(), "module java.base");
+
+ // getPackages
+ assertTrue(contains(base.getPackages(), "java.lang"));
+
+ // canRead
+ assertTrue(base.canRead(base));
+
+ // isExported
+ assertTrue(base.isExported("java.lang"));
+ assertTrue(base.isExported("java.lang", thisModule));
+ assertFalse(base.isExported("java.wombat"));
+ assertFalse(base.isExported("java.wombat", thisModule));
+ }
+
+
+ @Test
+ public void testDesktopModule() {
+ Module desktop = java.awt.Component.class.getModule();
+ Module base = Object.class.getModule();
+ Module xml = javax.xml.XMLConstants.class.getModule();
+ Module thisModule = BasicModuleTest.class.getModule();
+
+ // name
+ assertTrue(desktop.getName().equals("java.desktop"));
+
+ // descriptor
+ assertTrue(desktop.getDescriptor().exports().stream()
+ .anyMatch(doesExport("java.awt")));
+
+ // getClassLoader
+ assertTrue(desktop.getClassLoader() == null);
+
+ // getLayer
+ assertTrue(desktop.getLayer() == Layer.boot());
+
+ // toString
+ assertEquals(desktop.toString(), "module java.desktop");
+
+ // getPackages
+ assertTrue(contains(desktop.getPackages(), "java.awt"));
+ assertTrue(contains(desktop.getPackages(), "sun.awt"));
+
+ // canRead
+ assertTrue(desktop.canRead(base));
+ assertTrue(desktop.canRead(xml));
+
+ // isExported
+ assertTrue(desktop.isExported("java.awt"));
+ assertTrue(desktop.isExported("java.awt", thisModule));
+ assertFalse(desktop.isExported("java.wombat"));
+ assertFalse(desktop.isExported("java.wombat", thisModule));
+ }
+
+
+ @Test(expectedExceptions = { NullPointerException.class })
+ public void testIsExportedNull() {
+ Module thisModule = this.getClass().getModule();
+ thisModule.isExported(null, thisModule);
+ }
+
+
+ @Test(expectedExceptions = { NullPointerException.class })
+ public void testIsExportedToNull() {
+ Module thisModule = this.getClass().getModule();
+ thisModule.isExported("", null);
+ }
+
+
+}