| /* |
| * Copyright (c) 2015, 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.Configuration; |
| import java.lang.module.ModuleFinder; |
| import java.lang.reflect.InvocationHandler; |
| import java.lang.reflect.Layer; |
| import java.lang.reflect.Proxy; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.Arrays; |
| |
| import static jdk.testlibrary.ProcessTools.executeTestJava; |
| |
| import org.testng.annotations.BeforeTest; |
| import org.testng.annotations.Test; |
| import static org.testng.Assert.*; |
| |
| /** |
| * @test |
| * @library /lib/testlibrary |
| * @modules jdk.compiler |
| * @build ProxyTest CompilerUtils jdk.testlibrary.ProcessTools |
| * @run testng ProxyLayerTest |
| * @summary Test proxies to implement interfaces in a layer |
| */ |
| |
| public class ProxyLayerTest { |
| |
| private static final String TEST_SRC = System.getProperty("test.src"); |
| private static final String TEST_CLASSES = System.getProperty("test.classes"); |
| |
| private static final Path SRC_DIR = Paths.get(TEST_SRC, "src"); |
| private static final Path MODS_DIR = Paths.get("mods"); |
| private static final Path CPATH_DIR = Paths.get(TEST_CLASSES); |
| |
| // the names of the modules in this test |
| private static String[] modules = new String[] {"m1", "m2", "m3"}; |
| |
| |
| /** |
| * Compiles all modules used by the test |
| */ |
| @BeforeTest |
| public void compileAll() throws Exception { |
| for (String mn : modules) { |
| Path msrc = SRC_DIR.resolve(mn); |
| assertTrue(CompilerUtils.compile(msrc, MODS_DIR, "--module-source-path", SRC_DIR.toString())); |
| } |
| } |
| |
| /** |
| * Test proxy implementing interfaces in a Layer defined in |
| * an unnamed module |
| */ |
| @Test |
| public void testProxyInUnnamed() throws Exception { |
| ModuleFinder finder = ModuleFinder.of(MODS_DIR); |
| Layer bootLayer = Layer.boot(); |
| Configuration cf = bootLayer |
| .configuration() |
| .resolveRequiresAndUses(ModuleFinder.of(), finder, Arrays.asList(modules)); |
| ClassLoader scl = ClassLoader.getSystemClassLoader(); |
| Layer layer = bootLayer.defineModulesWithOneLoader(cf, scl); |
| |
| ClassLoader loader = layer.findLoader("m1"); |
| |
| assertTrue(layer.findModule("m1").isPresent()); |
| assertTrue(layer.findModule("m2").isPresent()); |
| assertTrue(layer.findModule("m3").isPresent()); |
| |
| Class<?>[] interfaces = new Class<?>[] { |
| Class.forName("p.one.I", false, loader), |
| Class.forName("p.two.A", false, loader), |
| Class.forName("p.three.P", false, loader), |
| }; |
| Object o = Proxy.newProxyInstance(loader, interfaces, handler); |
| |
| Class<?> proxyClass = o.getClass(); |
| Package pkg = proxyClass.getPackage(); |
| assertFalse(proxyClass.getModule().isNamed()); |
| assertFalse(pkg.isSealed()); |
| assertEquals(proxyClass.getModule().getLayer(), null); |
| } |
| |
| /** |
| * Test proxy implementing interfaces in a Layer and defined in a |
| * dynamic module |
| */ |
| @Test |
| public void testProxyInDynamicModule() throws Exception { |
| ModuleFinder finder = ModuleFinder.of(MODS_DIR); |
| Layer bootLayer = Layer.boot(); |
| Configuration cf = bootLayer |
| .configuration() |
| .resolveRequiresAndUses(ModuleFinder.of(), finder, Arrays.asList(modules)); |
| ClassLoader scl = ClassLoader.getSystemClassLoader(); |
| Layer layer = bootLayer.defineModulesWithOneLoader(cf, scl); |
| |
| ClassLoader loader = layer.findLoader("m1"); |
| |
| assertTrue(layer.findModule("m1").isPresent()); |
| assertTrue(layer.findModule("m2").isPresent()); |
| assertTrue(layer.findModule("m3").isPresent()); |
| |
| Class<?>[] interfaces = new Class<?>[] { |
| Class.forName("p.one.internal.J", false, loader), |
| }; |
| Object o = Proxy.newProxyInstance(loader, interfaces, handler); |
| Class<?> proxyClass = o.getClass(); |
| Package pkg = proxyClass.getPackage(); |
| assertTrue(proxyClass.getModule().isNamed()); |
| assertTrue(pkg.isSealed()); |
| assertEquals(proxyClass.getModule().getLayer(), null); |
| } |
| |
| /** |
| * Test proxy implementing interfaces that the target module has no access |
| */ |
| @Test |
| public void testNoReadAccess() throws Exception { |
| ModuleFinder finder = ModuleFinder.of(MODS_DIR); |
| Layer bootLayer = Layer.boot(); |
| Configuration cf = bootLayer |
| .configuration() |
| .resolveRequiresAndUses(ModuleFinder.of(), finder, Arrays.asList(modules)); |
| ClassLoader scl = ClassLoader.getSystemClassLoader(); |
| Layer layer = bootLayer.defineModulesWithOneLoader(cf, scl); |
| |
| ClassLoader loader = layer.findLoader("m1"); |
| |
| assertTrue(layer.findModule("m1").isPresent()); |
| assertTrue(layer.findModule("m2").isPresent()); |
| assertTrue(layer.findModule("m3").isPresent()); |
| |
| Class<?>[] interfaces = new Class<?>[] { |
| Class.forName("p.one.I", false, loader), |
| Class.forName("p.two.B", false, loader) // non-public interface but exported package |
| }; |
| checkIAE(loader, interfaces); |
| } |
| |
| private void checkIAE(ClassLoader loader, Class<?>[] interfaces) { |
| try { |
| Proxy.getProxyClass(loader, interfaces); |
| throw new RuntimeException("Expected IllegalArgumentException thrown"); |
| } catch (IllegalArgumentException e) {} |
| |
| try { |
| Proxy.newProxyInstance(loader, interfaces, handler); |
| throw new RuntimeException("Expected IllegalArgumentException thrown"); |
| } catch (IllegalArgumentException e) {} |
| } |
| |
| private final static InvocationHandler handler = |
| (proxy, m, params) -> { throw new RuntimeException(m.toString()); }; |
| |
| } |