| /* |
| * Copyright (c) 2016, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 6479237 |
| * @summary Basic test StackTraceElement with class loader names |
| * @library lib /lib/testlibrary |
| * @modules jdk.compiler |
| * @build m1/* WithClassLoaderName |
| * @run main/othervm m1/com.app.Main |
| * @run main/othervm WithClassLoaderName |
| */ |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| import java.net.URL; |
| import java.net.URLClassLoader; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| |
| import com.app.Utils; |
| |
| public class WithClassLoaderName { |
| private static final String TEST_SRC = System.getProperty("test.src"); |
| private static final String SRC_FILENAME = "WithClassLoaderName.java"; |
| |
| private static final Path SRC_DIR = Paths.get(TEST_SRC, "src"); |
| private static final Path CLASSES_DIR = Paths.get("classes"); |
| private static final String THROW_EXCEPTION_CLASS = "p.ThrowException"; |
| |
| public static void main(String... args) throws Exception { |
| /* |
| * Test the following frames both have the same class loader name "app" |
| * com.app.Test::test |
| * WithClassLoaderName::test |
| */ |
| Utils.verify(WithClassLoaderName.class, "app", "main", SRC_FILENAME); |
| |
| /* |
| * Test StackTraceElement for a class loaded by a named URLClassLoader |
| */ |
| compile(); |
| testURLClassLoader("myloader"); |
| |
| // loader name same as application class loader |
| testURLClassLoader("app"); |
| } |
| |
| private static void compile() throws Exception { |
| boolean rc = CompilerUtils.compile(SRC_DIR, CLASSES_DIR); |
| if (!rc) { |
| throw new RuntimeException("compilation fails"); |
| } |
| } |
| |
| public static void testURLClassLoader(String loaderName) throws Exception { |
| System.err.println("---- test URLClassLoader name: " + loaderName); |
| |
| URL[] urls = new URL[] { CLASSES_DIR.toUri().toURL() }; |
| ClassLoader parent = ClassLoader.getSystemClassLoader(); |
| URLClassLoader loader = new URLClassLoader(loaderName, urls, parent); |
| |
| Class<?> c = Class.forName(THROW_EXCEPTION_CLASS, true, loader); |
| Method method = c.getMethod("throwError"); |
| try { |
| // invoke p.ThrowException::throwError |
| method.invoke(null); |
| } catch (InvocationTargetException x) { |
| Throwable e = x.getCause(); |
| e.printStackTrace(); |
| |
| StackTraceElement[] stes = e.getStackTrace(); |
| StackWalker.StackFrame[] frames = new StackWalker.StackFrame[] { |
| Utils.makeStackFrame(c, "throwError", "ThrowException.java"), |
| Utils.makeStackFrame(WithClassLoaderName.class, "testURLClassLoader", |
| SRC_FILENAME), |
| Utils.makeStackFrame(WithClassLoaderName.class, "main", SRC_FILENAME), |
| }; |
| |
| // p.ThrowException.throwError |
| Utils.checkFrame(loaderName, frames[0], stes[0]); |
| // skip reflection frames |
| int i = 1; |
| while (i < stes.length) { |
| String cn = stes[i].getClassName(); |
| if (!cn.startsWith("java.lang.reflect.") && |
| !cn.startsWith("jdk.internal.reflect.")) |
| break; |
| i++; |
| } |
| // WithClassLoaderName.testURLClassLoader |
| Utils.checkFrame("app", frames[1], stes[i]); |
| |
| // WithClassLoaderName.main |
| Utils.checkFrame("app", frames[2], stes[i+1]); |
| |
| } |
| } |
| |
| } |
| |