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/*
* Copyright (C) 2019 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.
*/
package art;
import dalvik.system.InMemoryDexClassLoader;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Base64;
import java.util.concurrent.CountDownLatch;
import java.util.function.Supplier;
import java.util.concurrent.atomic.*;
import java.lang.ref.*;
public class Test2007 {
public static final CountDownLatch finish_latch = new CountDownLatch(1);
public static volatile int counter = 0;
public static Object theObject = null;
public static class Transform {
public Transform() { }
protected void finalize() throws Throwable {
System.out.println("Should never be called!");
// Do nothing.
}
}
/**
* base64 encoded class/dex file for
* public static class Transform {
* public String greeting;
*
* public Transform() {
* greeting = "Hello";
* }
* protected void finalize() throws Throwable {
* System.out.println("Finalizing");
* counter++;
* finish_latch.countDown();
* }
* }
*/
private static final byte[] DEX_BYTES =
Base64.getDecoder()
.decode(
"ZGV4CjAzNQCC9DECxo2lTpw7FCCSqZArgZe8ab49ywRoBQAAcAAAAHhWNBIAAAAAAAAAAKQEAAAe" +
"AAAAcAAAAA0AAADoAAAAAgAAABwBAAAEAAAANAEAAAUAAABUAQAAAQAAAHwBAADMAwAAnAEAAAYC" +
"AAAOAgAAGgIAACECAAAkAgAAPgIAAE4CAAByAgAAkgIAAK4CAADFAgAA2QIAAO0CAAABAwAAGAMA" +
"AD8DAABOAwAAWQMAAFwDAABgAwAAbQMAAHgDAACBAwAAiwMAAJkDAACjAwAAqQMAAK4DAAC3AwAA" +
"vgMAAAMAAAAEAAAABQAAAAYAAAAHAAAACAAAAAkAAAAKAAAACwAAAAwAAAANAAAADgAAABEAAAAR" +
"AAAADAAAAAAAAAASAAAADAAAAAACAAABAAgAGAAAAAIAAAAVAAAAAgALABcAAAAJAAYAGgAAAAEA" +
"AAAAAAAAAQAAABYAAAAGAAEAGwAAAAcAAAAAAAAACwAAABQAAAABAAAAAQAAAAcAAAAAAAAADwAA" +
"AIwEAABkBAAAAAAAAAIAAQABAAAA8gEAAAgAAABwEAMAAQAaAAIAWxAAAA4AAwABAAIAAAD4AQAA" +
"EwAAAGIAAwAaAQEAbiACABAAYAABANgAAAFnAAEAYgACAG4QBAAAAA4ADAAOPEsAEAAOeGlaAAAB" +
"AAAACAAGPGluaXQ+AApGaW5hbGl6aW5nAAVIZWxsbwABSQAYTGFydC9UZXN0MjAwNyRUcmFuc2Zv" +
"cm07AA5MYXJ0L1Rlc3QyMDA3OwAiTGRhbHZpay9hbm5vdGF0aW9uL0VuY2xvc2luZ0NsYXNzOwAe" +
"TGRhbHZpay9hbm5vdGF0aW9uL0lubmVyQ2xhc3M7ABpMZGFsdmlrL2Fubm90YXRpb24vVGhyb3dz" +
"OwAVTGphdmEvaW8vUHJpbnRTdHJlYW07ABJMamF2YS9sYW5nL09iamVjdDsAEkxqYXZhL2xhbmcv" +
"U3RyaW5nOwASTGphdmEvbGFuZy9TeXN0ZW07ABVMamF2YS9sYW5nL1Rocm93YWJsZTsAJUxqYXZh" +
"L3V0aWwvY29uY3VycmVudC9Db3VudERvd25MYXRjaDsADVRlc3QyMDA3LmphdmEACVRyYW5zZm9y" +
"bQABVgACVkwAC2FjY2Vzc0ZsYWdzAAljb3VudERvd24AB2NvdW50ZXIACGZpbmFsaXplAAxmaW5p" +
"c2hfbGF0Y2gACGdyZWV0aW5nAARuYW1lAANvdXQAB3ByaW50bG4ABXZhbHVlAIwBfn5EOHsiY29t" +
"cGlsYXRpb24tbW9kZSI6ImRlYnVnIiwiaGFzLWNoZWNrc3VtcyI6ZmFsc2UsIm1pbi1hcGkiOjEs" +
"InNoYS0xIjoiMTI5ZWU5ZjY3NTZjMzlkZjU3ZmYwNzg1ZDI1NmIyMzc3MjY0MmI3YyIsInZlcnNp" +
"b24iOiIyLjAuMTAtZGV2In0AAgUBHBwBGAoCAwEcGAICBAITBAkZFxAAAQEBAAEAgYAEnAMBBLwD" +
"AAAAAAEAAABNBAAAAgAAAFUEAABbBAAAgAQAAAAAAAABAAAAAAAAAAEAAAB4BAAAEAAAAAAAAAAB" +
"AAAAAAAAAAEAAAAeAAAAcAAAAAIAAAANAAAA6AAAAAMAAAACAAAAHAEAAAQAAAAEAAAANAEAAAUA" +
"AAAFAAAAVAEAAAYAAAABAAAAfAEAAAEgAAACAAAAnAEAAAMgAAACAAAA8gEAAAEQAAABAAAAAAIA" +
"AAIgAAAeAAAABgIAAAQgAAADAAAATQQAAAAgAAABAAAAZAQAAAMQAAADAAAAdAQAAAYgAAABAAAA" +
"jAQAAAAQAAABAAAApAQAAA==");
public static void run() throws Exception {
Redefinition.setTestConfiguration(Redefinition.Config.COMMON_REDEFINE);
doTest();
}
public static final class GcThread extends Thread {
public volatile boolean finished = false;
public void run() {
while (!finished) {
Runtime.getRuntime().gc();
System.runFinalization();
}
}
}
public static void doTest() throws Exception {
// Try GC forever
GcThread gc_thr = new GcThread();
gc_thr.start();
// Make a transform
mktransform();
Redefinition.doCommonStructuralClassRedefinition(Transform.class, DEX_BYTES);
theObject = null;
finish_latch.await();
System.out.println("counter: " + counter);
// Make sure we don't have any remaining things to finalize, eg obsolete objects or something.
Runtime.getRuntime().gc();
System.runFinalization();
gc_thr.finished = true;
gc_thr.join();
}
// Make sure there is never a transform in the frame of doTest.
public static void mktransform() throws Exception {
theObject = new Transform();
}
}
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