| /* |
| * Copyright (c) 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. |
| */ |
| |
| /** |
| * @test |
| * @library modules |
| * @build m1/* m2/* |
| * @run testng/othervm --add-modules=m1,m2 Basic |
| * @summary Basic test of open modules and open packages |
| */ |
| |
| import java.lang.invoke.MethodHandle; |
| import java.lang.invoke.MethodHandles; |
| import java.lang.invoke.MethodHandles.Lookup; |
| import java.lang.invoke.MethodType; |
| import java.lang.module.ModuleDescriptor; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.InaccessibleObjectException; |
| import java.lang.reflect.Module; |
| |
| import org.testng.annotations.Test; |
| import org.testng.annotations.BeforeTest; |
| import static org.testng.Assert.*; |
| |
| /** |
| * open module m1 { |
| * exports p; |
| * // contains p.internal |
| * } |
| * |
| * module m2 { |
| * exports q; |
| * exports q; |
| * // contains q.internal |
| * } |
| * |
| * Each package in m1 and m2 contains a public type a non-public type. |
| */ |
| |
| public class Basic { |
| |
| @BeforeTest |
| public void checkSetup() throws Exception { |
| Module m1 = Class.forName("p.PublicType").getModule(); |
| assertTrue(m1.isNamed()); |
| assertTrue(m1.getDescriptor().isOpen()); |
| assertTrue(m1.getDescriptor().packages().size() == 2); |
| assertTrue(m1.getDescriptor().packages().contains("p")); |
| assertTrue(m1.getDescriptor().packages().contains("p.internal")); |
| assertTrue(m1.getDescriptor().exports().size() == 1); |
| ModuleDescriptor.Exports e = m1.getDescriptor().exports().iterator().next(); |
| assertTrue(e.source().equals("p")); |
| assertTrue(m1.isOpen("p")); |
| assertTrue(m1.isOpen("p.internal")); |
| |
| Module m2 = Class.forName("q.PublicType").getModule(); |
| assertTrue(m2.isNamed()); |
| assertFalse(m2.getDescriptor().isOpen()); |
| assertTrue(m2.getDescriptor().packages().size() == 2); |
| assertTrue(m2.getDescriptor().packages().contains("q")); |
| assertTrue(m2.getDescriptor().packages().contains("q.internal")); |
| assertTrue(m2.getDescriptor().exports().size() == 1); |
| e = m2.getDescriptor().exports().iterator().next(); |
| assertTrue(e.source().equals("q")); |
| assertTrue(m2.isOpen("q")); |
| assertFalse(m2.isOpen("p.internal")); |
| } |
| |
| @Test |
| public void testPublicTypeInExportedPackage() throws Throwable { |
| // invokespecial |
| new p.PublicType(); |
| |
| Class<?> clazz = p.PublicType.class; |
| |
| // core reflection |
| Constructor<?> ctor = clazz.getConstructor(); |
| ctor.newInstance(); |
| ctor.setAccessible(true); |
| ctor.newInstance(); |
| |
| // method handles |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.publicLookup()); |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.lookup()); |
| try { |
| MethodHandles.privateLookupIn(clazz, MethodHandles.publicLookup()); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| Lookup lookup = MethodHandles.privateLookupIn(clazz, MethodHandles.lookup()); |
| findNoArgConstructorAndInvoke(clazz, lookup); |
| } |
| |
| @Test |
| public void testNotPublicTypeInExportedPackage() throws Throwable { |
| Class<?> clazz = Class.forName("p.NotPublicType"); |
| |
| // core reflection |
| Constructor<?> ctor = clazz.getConstructor(); |
| try { |
| ctor.newInstance(); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| ctor.setAccessible(true); |
| ctor.newInstance(); |
| |
| // method handles |
| try { |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.publicLookup()); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| try { |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.lookup()); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| try { |
| MethodHandles.privateLookupIn(clazz, MethodHandles.publicLookup()); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| |
| Lookup lookup = MethodHandles.privateLookupIn(clazz, MethodHandles.lookup()); |
| findNoArgConstructorAndInvoke(clazz, lookup); |
| } |
| |
| @Test |
| public void testPublicTypeInNonExportedPackage() throws Throwable { |
| Class<?> clazz = Class.forName("p.internal.PublicType"); |
| |
| // core reflection |
| Constructor<?> ctor = clazz.getConstructor(); |
| ctor.newInstance(); // should succeed |
| ctor.setAccessible(true); |
| ctor.newInstance(); |
| |
| // method handles |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.publicLookup()); |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.lookup()); |
| try { |
| MethodHandles.privateLookupIn(clazz, MethodHandles.publicLookup()); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| Lookup lookup = MethodHandles.privateLookupIn(clazz, MethodHandles.lookup()); |
| findNoArgConstructorAndInvoke(clazz, lookup); |
| } |
| |
| @Test |
| public void testNotPublicTypeInNonExportedPackage() throws Throwable { |
| Class<?> clazz = Class.forName("p.internal.NotPublicType"); |
| |
| // core reflection |
| Constructor<?> ctor = clazz.getConstructor(); |
| try { |
| ctor.newInstance(); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| ctor.setAccessible(true); |
| ctor.newInstance(); |
| |
| // method handles |
| try { |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.publicLookup()); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| try { |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.lookup()); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| try { |
| MethodHandles.privateLookupIn(clazz, MethodHandles.publicLookup()); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| |
| Lookup lookup = MethodHandles.privateLookupIn(clazz, MethodHandles.lookup()); |
| findNoArgConstructorAndInvoke(clazz, lookup); |
| } |
| |
| @Test |
| public void testPublicTypeInOpenPackage() throws Throwable { |
| // invokespecial |
| // new q.PublicType(); TBD |
| |
| // core reflection |
| Class<?> clazz = q.PublicType.class; |
| clazz.getConstructor().newInstance(); |
| |
| // method handles |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.publicLookup()); |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.lookup()); |
| try { |
| MethodHandles.privateLookupIn(clazz, MethodHandles.publicLookup()); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| Lookup lookup = MethodHandles.privateLookupIn(clazz, MethodHandles.lookup()); |
| findNoArgConstructorAndInvoke(clazz, lookup); |
| |
| } |
| |
| @Test |
| public void testNotPublicTypeInOpenPackage() throws Throwable { |
| Class<?> clazz = Class.forName("q.NotPublicType"); |
| |
| // core reflection |
| Constructor<?> ctor = clazz.getConstructor(); |
| try { |
| ctor.newInstance(); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| ctor.setAccessible(true); |
| ctor.newInstance(); |
| |
| // method handles |
| try { |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.publicLookup()); |
| } catch (IllegalAccessException expected) { } |
| try { |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.lookup()); |
| } catch (IllegalAccessException expected) { } |
| try { |
| MethodHandles.privateLookupIn(clazz, MethodHandles.publicLookup()); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| Lookup lookup = MethodHandles.privateLookupIn(clazz, MethodHandles.lookup()); |
| findNoArgConstructorAndInvoke(clazz, lookup); |
| } |
| |
| @Test |
| public void testPublicTypeInConcealedPackage() throws Throwable { |
| Class<?> clazz = Class.forName("q.internal.PublicType"); |
| |
| // core reflection |
| Constructor<?> ctor = clazz.getConstructor(); |
| try { |
| ctor.newInstance(); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| try { |
| ctor.setAccessible(true); |
| assertTrue(false); |
| } catch (InaccessibleObjectException expected) { } |
| |
| // method handles |
| try { |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.publicLookup()); |
| } catch (IllegalAccessException expected) { } |
| try { |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.lookup()); |
| } catch (IllegalAccessException expected) { } |
| try { |
| MethodHandles.privateLookupIn(clazz, MethodHandles.publicLookup()); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| try { |
| MethodHandles.privateLookupIn(clazz, MethodHandles.lookup()); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| } |
| |
| @Test |
| public void testNotPublicTypeInConcealedPackage() throws Throwable { |
| Class<?> clazz = Class.forName("q.internal.NotPublicType"); |
| |
| // core reflection |
| Constructor<?> ctor = clazz.getConstructor(); |
| try { |
| ctor.newInstance(); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| try { |
| ctor.setAccessible(true); |
| assertTrue(false); |
| } catch (InaccessibleObjectException expected) { } |
| |
| // method handles |
| try { |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.publicLookup()); |
| } catch (IllegalAccessException expected) { } |
| try { |
| findNoArgConstructorAndInvoke(clazz, MethodHandles.lookup()); |
| } catch (IllegalAccessException expected) { } |
| try { |
| MethodHandles.privateLookupIn(clazz, MethodHandles.publicLookup()); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| try { |
| MethodHandles.privateLookupIn(clazz, MethodHandles.lookup()); |
| assertTrue(false); |
| } catch (IllegalAccessException expected) { } |
| } |
| |
| /** |
| * Produces the method handle for the no-arg constructor and invokes it |
| */ |
| Object findNoArgConstructorAndInvoke(Class<?> clazz, Lookup lookup) throws Throwable { |
| MethodType mt = MethodType.methodType(void.class); |
| MethodHandle mh = lookup.findConstructor(clazz, mt); |
| return mh.invoke(); |
| } |
| } |