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/*
* Copyright (c) 2015, 2017, 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.Proxy;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import jdk.test.lib.compiler.CompilerUtils;
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 /test/lib
* @modules jdk.compiler
* @build ProxyTest jdk.testlibrary.ProcessTools
* jdk.test.lib.compiler.CompilerUtils
* @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);
ModuleLayer bootLayer = ModuleLayer.boot();
Configuration cf = bootLayer
.configuration()
.resolveAndBind(ModuleFinder.of(), finder, Arrays.asList(modules));
ClassLoader scl = ClassLoader.getSystemClassLoader();
ModuleLayer 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);
ModuleLayer bootLayer = ModuleLayer.boot();
Configuration cf = bootLayer
.configuration()
.resolveAndBind(ModuleFinder.of(), finder, Arrays.asList(modules));
ClassLoader scl = ClassLoader.getSystemClassLoader();
ModuleLayer 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);
ModuleLayer bootLayer = ModuleLayer.boot();
Configuration cf = bootLayer
.configuration()
.resolveAndBind(ModuleFinder.of(), finder, Arrays.asList(modules));
ClassLoader scl = ClassLoader.getSystemClassLoader();
ModuleLayer 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()); };
}
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