| /* |
| * Copyright (c) 2013, 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 boot.GetCallerClass; |
| import java.lang.reflect.*; |
| import jdk.internal.reflect.CallerSensitive; |
| import jdk.internal.reflect.Reflection; |
| |
| public class GetCallerClassTest { |
| private final GetCallerClass gcc; // boot.GetCallerClass is in bootclasspath |
| GetCallerClassTest() { |
| this.gcc = new GetCallerClass(); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| GetCallerClassTest gcct = new GetCallerClassTest(); |
| // ensure methods are annotated with @CallerSensitive |
| ensureAnnotationPresent(boot.GetCallerClass.class, "getCallerLoader", true); |
| ensureAnnotationPresent(GetCallerClassTest.class, "testNonSystemMethod", false); |
| // call Reflection.getCallerClass from bootclasspath with and without @CS |
| gcct.testCallerSensitiveMethods(); |
| // call Reflection.getCallerClass from classpath with @CS |
| gcct.testNonSystemMethod(); |
| } |
| |
| private static void ensureAnnotationPresent(Class<?> c, String name, boolean cs) |
| throws NoSuchMethodException |
| { |
| Method m = c.getDeclaredMethod(name); |
| if (!m.isAnnotationPresent(CallerSensitive.class)) { |
| throw new RuntimeException("@CallerSensitive not present in method " + m); |
| } |
| if (Reflection.isCallerSensitive(m) != cs) { |
| throw new RuntimeException("Unexpected: isCallerSensitive returns " + |
| Reflection.isCallerSensitive(m)); |
| } |
| } |
| |
| private void testCallerSensitiveMethods() { |
| try { |
| ClassLoader cl = gcc.getCallerLoader(); |
| if (cl != GetCallerClassTest.class.getClassLoader()) { |
| throw new RuntimeException("mismatched class loader"); |
| } |
| gcc.missingCallerSensitiveAnnotation(); |
| throw new RuntimeException("getCallerLoader not marked with @CallerSensitive"); |
| } catch (InternalError e) { |
| StackTraceElement[] stackTrace = e.getStackTrace(); |
| checkStackTrace(stackTrace, e); |
| if (!stackTrace[1].getClassName().equals(GetCallerClass.class.getName()) || |
| !stackTrace[1].getMethodName().equals("missingCallerSensitiveAnnotation")) { |
| throw new RuntimeException("Unexpected error: " + e.getMessage(), e); |
| } |
| if (!stackTrace[2].getClassName().equals(GetCallerClassTest.class.getName()) || |
| !stackTrace[2].getMethodName().equals("testCallerSensitiveMethods")) { |
| throw new RuntimeException("Unexpected error: " + e.getMessage(), e); |
| } |
| System.out.println("Expected error: " + e.getMessage()); |
| } |
| } |
| |
| @CallerSensitive |
| private void testNonSystemMethod() { |
| try { |
| Class<?> c = Reflection.getCallerClass(); |
| throw new RuntimeException("@CallerSensitive testNonSystemMethods not supported"); |
| } catch (InternalError e) { |
| StackTraceElement[] stackTrace = e.getStackTrace(); |
| checkStackTrace(stackTrace, e); |
| if (!stackTrace[1].getClassName().equals(GetCallerClassTest.class.getName()) || |
| !stackTrace[1].getMethodName().equals("testNonSystemMethod")) { |
| throw new RuntimeException("Unexpected error: " + e.getMessage(), e); |
| } |
| if (!stackTrace[2].getClassName().equals(GetCallerClassTest.class.getName()) || |
| !stackTrace[2].getMethodName().equals("main")) { |
| throw new RuntimeException("Unexpected error: " + e.getMessage(), e); |
| } |
| System.out.println("Expected error: " + e.getMessage()); |
| } |
| } |
| |
| private void checkStackTrace(StackTraceElement[] stackTrace, Error e) { |
| if (stackTrace.length < 3) { |
| throw new RuntimeException("Unexpected error: " + e.getMessage(), e); |
| } |
| |
| if (!stackTrace[0].getClassName().equals("jdk.internal.reflect.Reflection") || |
| !stackTrace[0].getMethodName().equals("getCallerClass")) { |
| throw new RuntimeException("Unexpected error: " + e.getMessage(), e); |
| } |
| |
| } |
| } |