/* * Copyright (C) 2016 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; public class Main { public static void main(String[] args) throws Exception { Class c = Class.forName("java.lang.StringFactory"); Method m = c.getDeclaredMethod("newStringFromBytes", byte[].class, int.class); // Loop over allocations to get more chances of doing GC while in the // newStringFromBytes intrinsic. for (int i = 0; i < 10; i++) { try { byte[] f = new byte[100000000]; f[0] = (byte)i; f[1] = (byte)i; m.invoke(null, f, 0); } catch (InvocationTargetException e) { if (e.getCause() instanceof OutOfMemoryError) { // Ignore, this is a stress test. } else { throw e; } } } } }