1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 import java.lang.reflect.Method; 18 import dalvik.system.AnnotatedStackTraceElement; 19 20 public class Main { 21 public static void main(String args[]) throws Exception { 22 Class<?> vmStack = Class.forName("dalvik.system.VMStack"); 23 Method getAnnotatedThreadStackTrace = 24 vmStack.getDeclaredMethod("getAnnotatedThreadStackTrace", Thread.class); 25 Object[] annotatedStackTrace = 26 (Object[]) getAnnotatedThreadStackTrace.invoke(null, Thread.currentThread()); 27 AnnotatedStackTraceElement annotatedElement = 28 (AnnotatedStackTraceElement) annotatedStackTrace[0]; 29 // This used to fail an assertion that the AnnotatedStackTraceElement.class 30 // is at least initializing (i.e. initializing, initialized or resolved-erroneous). 31 // Note: We cannot use reflection for this test because getDeclaredMethod() would 32 // initialize the class and hide the failure. 33 annotatedElement.getStackTraceElement(); 34 35 System.out.println("passed"); 36 } 37 } 38
