1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import java.lang.module.Configuration;
  25 import java.lang.module.ModuleFinder;
  26 import java.lang.module.ModuleReference;
  27 import java.lang.reflect.InvocationHandler;
  28 import java.lang.reflect.Layer;
  29 import java.lang.reflect.Module;
  30 import java.lang.reflect.Proxy;
  31 import java.nio.file.Path;
  32 import java.nio.file.Paths;
  33 import java.util.Arrays;
  34 import java.util.List;
  35 
  36 import static jdk.testlibrary.ProcessTools.executeTestJava;
  37 
  38 import org.testng.annotations.BeforeTest;
  39 import org.testng.annotations.Test;
  40 import static org.testng.Assert.*;
  41 
  42 /**
  43  * @test
  44  * @library ../../lib /lib/testlibrary
  45  * @modules jdk.compiler
  46  * @build ProxyTest CompilerUtils jdk.testlibrary.ProcessTools
  47  * @run testng ProxyLayerTest
  48  * @summary Test proxies to implement interfaces in a layer
  49  */
  50 
  51 public class ProxyLayerTest {
  52 
  53     private static final String TEST_SRC = System.getProperty("test.src");
  54     private static final String TEST_CLASSES = System.getProperty("test.classes");
  55 
  56     private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
  57     private static final Path MODS_DIR = Paths.get("mods");
  58     private static final Path CPATH_DIR = Paths.get(TEST_CLASSES);
  59 
  60     // the names of the modules in this test
  61     private static String[] modules = new String[] {"m1", "m2", "m3"};
  62 
  63 
  64     /**
  65      * Compiles all modules used by the test
  66      */
  67     @BeforeTest
  68     public void compileAll() throws Exception {
  69         for (String mn : modules) {
  70             Path msrc = SRC_DIR.resolve(mn);
  71             assertTrue(CompilerUtils.compile(msrc, MODS_DIR, "-modulesourcepath", SRC_DIR.toString()));
  72         }
  73     }
  74 
  75     /**
  76      * Test proxy implementing interfaces in a Layer defined in
  77      * an unnamed module
  78      */
  79     @Test
  80     public void testProxyInUnnamed() throws Exception {
  81         ModuleFinder finder = ModuleFinder.of(MODS_DIR);
  82         Configuration cf = Configuration
  83                 .resolve(ModuleFinder.empty(), Layer.boot(), finder, modules).bind();
  84 
  85         ClassLoader loader = new ModuleClassLoader(cf);
  86         Layer layer = Layer.create(cf, mn -> loader);
  87 
  88         assertTrue(layer.findModule("m1").isPresent());
  89         assertTrue(layer.findModule("m2").isPresent());
  90         assertTrue(layer.findModule("m3").isPresent());
  91 
  92         Class<?>[] interfaces = new Class<?>[] {
  93             Class.forName("p.one.I", false, loader),
  94             Class.forName("p.two.A", false, loader),
  95             Class.forName("p.three.P", false, loader),
  96         };
  97         Object o = Proxy.newProxyInstance(loader, interfaces, handler);
  98 
  99         Class<?> proxyClass = o.getClass();
 100         Package pkg = proxyClass.getPackage();
 101         assertFalse(proxyClass.getModule().isNamed());
 102         assertFalse(pkg.isSealed());
 103         assertEquals(proxyClass.getModule().getLayer(), null);
 104     }
 105     /**
 106      * Test proxy implementing interfaces in a Layer and defined in a
 107      * dynamic module
 108      */
 109     @Test
 110     public void testProxyInDynamicModule() throws Exception {
 111         ModuleFinder finder = ModuleFinder.of(MODS_DIR);
 112         Configuration cf = Configuration
 113                 .resolve(ModuleFinder.empty(), Layer.boot(), finder, modules).bind();
 114 
 115         ClassLoader loader = new ModuleClassLoader(cf);
 116         Layer layer = Layer.create(cf, mn -> loader);
 117 
 118         assertTrue(layer.findModule("m1").isPresent());
 119         assertTrue(layer.findModule("m2").isPresent());
 120         assertTrue(layer.findModule("m3").isPresent());
 121 
 122         Class<?>[] interfaces = new Class<?>[] {
 123             Class.forName("p.one.internal.J", false, loader),
 124         };
 125         Object o = Proxy.newProxyInstance(loader, interfaces, handler);
 126         Class<?> proxyClass = o.getClass();
 127         Package pkg = proxyClass.getPackage();
 128         assertTrue(proxyClass.getModule().isNamed());
 129         assertFalse(pkg.isSealed());   // not sealed since no module location
 130         assertEquals(proxyClass.getModule().getLayer(), null);
 131     }
 132 
 133     private final static InvocationHandler handler =
 134             (proxy, m, params) -> { throw new RuntimeException(m.toString()); };
 135 
 136 }