/* * * * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved. * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * * * The Universal Permissive License (UPL), Version 1.0 * * * * Subject to the condition set forth below, permission is hereby granted to any * * person obtaining a copy of this software, associated documentation and/or * * data (collectively the "Software"), free of charge and under any and all * * copyright rights in the Software, and any and all patent rights owned or * * freely licensable by each licensor hereunder covering either (i) the * * unmodified Software as contributed to or provided by such licensor, or (ii) * * the Larger Works (as defined below), to deal in both * * * * (a) the Software, and * * * * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if * * one is included with the Software each a "Larger Work" to which the Software * * is contributed by such licensors), * * * * without restriction, including without limitation the rights to copy, create * * derivative works of, display, perform, and distribute the Software and make, * * use, sell, offer for sale, import, export, have made, and have sold the * * Software and the Larger Work(s), and to sublicense the foregoing rights on * * either these or other terms. * * * * This license is subject to the following condition: * * * * The above copyright notice and either this complete permission notice or at a * * minimum a reference to the UPL must be included in all copies or substantial * * portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * * SOFTWARE. * */ package ninja.soroosh.hashem.lang.test; import com.oracle.truffle.api.Truffle; import ninja.soroosh.hashem.lang.HashemLanguage; import java.net.URL; import java.net.URLClassLoader; import java.security.ProtectionDomain; import java.util.Map; import org.graalvm.polyglot.Engine; import org.junit.After; import static org.junit.Assert.assertNotNull; import org.junit.Assume; import org.junit.Before; import org.junit.Test; public class HashemSeparatedClassLoadersTest { private ClassLoader loader; @Before public void storeLoader() { loader = Thread.currentThread().getContextClassLoader(); } @Test public void sdkAndTruffleLanguageAPIAndSLInSeparateClassLoaders() throws Exception { final ProtectionDomain sdkDomain = Engine.class.getProtectionDomain(); Assume.assumeNotNull(sdkDomain); Assume.assumeNotNull(sdkDomain.getCodeSource()); URL sdkURL = sdkDomain.getCodeSource().getLocation(); Assume.assumeNotNull(sdkURL); URL truffleURL = Truffle.class.getProtectionDomain().getCodeSource().getLocation(); Assume.assumeNotNull(truffleURL); URL slURL = HashemLanguage.class.getProtectionDomain().getCodeSource().getLocation(); Assume.assumeNotNull(slURL); ClassLoader parent = Engine.class.getClassLoader().getParent(); URLClassLoader sdkLoader = new URLClassLoader(new URL[]{sdkURL}, parent); boolean sdkLoaderLoadsTruffleLanguage; try { Class.forName("com.oracle.truffle.api.TruffleLanguage", false, sdkLoader); sdkLoaderLoadsTruffleLanguage = true; } catch (ClassNotFoundException cnf) { sdkLoaderLoadsTruffleLanguage = false; } Assume.assumeFalse(sdkLoaderLoadsTruffleLanguage); URLClassLoader truffleLoader = new URLClassLoader(new URL[]{truffleURL}, sdkLoader); URLClassLoader slLoader = new URLClassLoader(new URL[]{slURL}, truffleLoader); Thread.currentThread().setContextClassLoader(slLoader); Class<?> engineClass = sdkLoader.loadClass(Engine.class.getName()); Object engine = engineClass.getMethod("create").invoke(null); assertNotNull("Engine has been created", engine); Map<?, ?> languages = (Map<?, ?>) engineClass.getMethod("getLanguages").invoke(engine); Object lang = languages.get("hashemi"); assertNotNull("SL language found: " + languages, lang); } @After public void resetLoader() { Thread.currentThread().setContextClassLoader(loader); } }