1 /* 2 * Copyright (C) 2016 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.InvocationTargetException; 18 import java.lang.reflect.Method; 19 20 public class Main { 21 22 public static void main(String[] args) throws Exception { 23 Class<?> c = Class.forName("java.lang.StringFactory"); 24 Method m = c.getDeclaredMethod("newStringFromBytes", byte[].class, int.class); 25 26 // Loop over allocations to get more chances of doing GC while in the 27 // newStringFromBytes intrinsic. 28 for (int i = 0; i < 10; i++) { 29 try { 30 byte[] f = new byte[100000000]; 31 f[0] = (byte)i; 32 f[1] = (byte)i; 33 m.invoke(null, f, 0); 34 } catch (InvocationTargetException e) { 35 if (e.getCause() instanceof OutOfMemoryError) { 36 // Ignore, this is a stress test. 37 } else { 38 throw e; 39 } 40 } catch (OutOfMemoryError e) { 41 // Ignore, this is a stress test. 42 } 43 } 44 } 45 } 46
