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Diffstat (limited to 'test/626-const-class-linking/src/Main.java')
-rw-r--r--test/626-const-class-linking/src/Main.java320
1 files changed, 0 insertions, 320 deletions
diff --git a/test/626-const-class-linking/src/Main.java b/test/626-const-class-linking/src/Main.java
deleted file mode 100644
index 05a6baca71..0000000000
--- a/test/626-const-class-linking/src/Main.java
+++ /dev/null
@@ -1,320 +0,0 @@
-/*
- * 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.ref.WeakReference;
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-
-public class Main {
- public static void main(String[] args) throws Exception {
- try {
- System.loadLibrary(args[0]);
- } catch (UnsatisfiedLinkError ule) {
- usingRI = true;
- // Add expected JNI_OnLoad log line to match expected.txt.
- System.out.println("JNI_OnLoad called");
- }
-
- testClearDexCache();
- testMultiDex();
- testRacyLoader();
- testRacyLoader2();
- testMisbehavingLoader();
- testRacyMisbehavingLoader();
- testRacyMisbehavingLoader2();
- }
-
- private static void testClearDexCache() throws Exception {
- DelegatingLoader delegating_loader = createDelegatingLoader();
- Class<?> helper = delegating_loader.loadClass("Helper1");
-
- WeakReference<Class<?>> weak_test1 = wrapHelperGet(helper);
- changeInner(delegating_loader);
- if (!usingRI) {
- clearResolvedTypes(helper);
- }
- Runtime.getRuntime().gc();
- WeakReference<Class<?>> weak_test2 = wrapHelperGet(helper);
- Runtime.getRuntime().gc();
-
- Class<?> test1 = weak_test1.get();
- if (test1 == null) {
- System.out.println("test1 disappeared");
- }
- Class<?> test2 = weak_test2.get();
- if (test2 == null) {
- System.out.println("test2 disappeared");
- }
- if (test1 != test2) {
- System.out.println("test1 != test2");
- }
-
- System.out.println("testClearDexCache done");
- }
-
- private static void testMultiDex() throws Exception {
- DelegatingLoader delegating_loader = createDelegatingLoader();
-
- Class<?> helper1 = delegating_loader.loadClass("Helper1");
- WeakReference<Class<?>> weak_test1 = wrapHelperGet(helper1);
-
- changeInner(delegating_loader);
-
- Class<?> helper2 = delegating_loader.loadClass("Helper2");
- WeakReference<Class<?>> weak_test2 = wrapHelperGet(helper2);
-
- Runtime.getRuntime().gc();
-
- Class<?> test1 = weak_test1.get();
- if (test1 == null) {
- System.out.println("test1 disappeared");
- }
- Class<?> test2 = weak_test2.get();
- if (test2 == null) {
- System.out.println("test2 disappeared");
- }
- if (test1 != test2) {
- System.out.println("test1 != test2");
- }
-
- System.out.println("testMultiDex done");
- }
-
- private static void testMisbehavingLoader() throws Exception {
- ClassLoader system_loader = ClassLoader.getSystemClassLoader();
- DefiningLoader defining_loader = new DefiningLoader(system_loader);
- MisbehavingLoader misbehaving_loader =
- new MisbehavingLoader(system_loader, defining_loader);
- Class<?> helper = misbehaving_loader.loadClass("Helper1");
-
- try {
- WeakReference<Class<?>> weak_test = wrapHelperGet(helper);
- } catch (InvocationTargetException ite) {
- String message = ite.getCause().getMessage();
- if (usingRI && "Test".equals(message)) {
- // Replace RI message with dalvik message to match expected.txt.
- message = "Initiating class loader of type " +
- misbehaving_loader.getClass().getName() +
- " returned class Helper2 instead of Test.";
- }
- System.out.println(ite.getCause().getClass().getName() + ": " + message);
- }
- System.out.println("testMisbehavingLoader done");
- }
-
- private static void testRacyLoader() throws Exception {
- final ClassLoader system_loader = ClassLoader.getSystemClassLoader();
-
- final Thread[] threads = new Thread[4];
- final Object[] results = new Object[threads.length];
-
- final RacyLoader racy_loader = new RacyLoader(system_loader, threads.length);
- final Class<?> helper1 = racy_loader.loadClass("Helper1");
-
- for (int i = 0; i != threads.length; ++i) {
- final int my_index = i;
- Thread t = new Thread() {
- public void run() {
- try {
- Method get = helper1.getDeclaredMethod("get");
- results[my_index] = get.invoke(null);
- } catch (InvocationTargetException ite) {
- results[my_index] = ite.getCause();
- } catch (Throwable t) {
- results[my_index] = t;
- }
- }
- };
- t.start();
- threads[i] = t;
- }
- for (Thread t : threads) {
- t.join();
- }
- dumpResultStats(results);
- System.out.println("testRacyLoader done");
- }
-
- private static void testRacyLoader2() throws Exception {
- final ClassLoader system_loader = ClassLoader.getSystemClassLoader();
-
- final Thread[] threads = new Thread[4];
- final Object[] results = new Object[threads.length];
-
- final RacyLoader racy_loader = new RacyLoader(system_loader, threads.length);
- final Class<?> helper1 = racy_loader.loadClass("Helper1");
- final Class<?> helper3 = racy_loader.loadClass("Helper3");
-
- for (int i = 0; i != threads.length; ++i) {
- final int my_index = i;
- Thread t = new Thread() {
- public void run() {
- try {
- Class<?> helper = (my_index < threads.length / 2) ? helper1 : helper3;
- Method get = helper.getDeclaredMethod("get");
- results[my_index] = get.invoke(null);
- } catch (InvocationTargetException ite) {
- results[my_index] = ite.getCause();
- } catch (Throwable t) {
- results[my_index] = t;
- }
- }
- };
- t.start();
- threads[i] = t;
- }
- for (Thread t : threads) {
- t.join();
- }
- dumpResultStats(results);
- System.out.println("testRacyLoader2 done");
- }
-
- private static void dumpResultStats(Object[] results) throws Exception {
- int throwables = 0;
- int class_weaks = 0;
- int unique_class_weaks = 0;
- for (int i = 0; i != results.length; ++i) {
- Object r = results[i];
- if (r instanceof Throwable) {
- ++throwables;
- System.out.println(((Throwable) r).getMessage());
- } else if (isClassPair(r)) {
- printPair(r);
- Object ref = getSecond(r);
- ++class_weaks;
- ++unique_class_weaks;
- for (int j = 0; j != i; ++j) {
- Object rj = results[j];
- if (isClassPair(results[j]) && getSecond(results[j]) == ref) {
- --unique_class_weaks;
- break;
- }
- }
- }
- }
- System.out.println("total: " + results.length);
- System.out.println(" throwables: " + throwables);
- System.out.println(" class_weaks: " + class_weaks
- + " (" + unique_class_weaks + " unique)");
- }
-
- private static void testRacyMisbehavingLoader() throws Exception {
- final ClassLoader system_loader = ClassLoader.getSystemClassLoader();
-
- final Thread[] threads = new Thread[4];
- final Object[] results = new Object[threads.length];
-
- final RacyMisbehavingLoader racy_loader =
- new RacyMisbehavingLoader(system_loader, threads.length, false);
- final Class<?> helper1 = racy_loader.loadClass("RacyMisbehavingHelper");
-
- for (int i = 0; i != threads.length; ++i) {
- final int my_index = i;
- Thread t = new Thread() {
- public void run() {
- try {
- Method get = helper1.getDeclaredMethod("get");
- results[my_index] = get.invoke(null);
- } catch (InvocationTargetException ite) {
- results[my_index] = ite.getCause();
- } catch (Throwable t) {
- results[my_index] = t;
- }
- }
- };
- t.start();
- threads[i] = t;
- }
- for (Thread t : threads) {
- t.join();
- }
- dumpResultStats(results);
- System.out.println("testRacyMisbehavingLoader done");
- }
-
- private static void testRacyMisbehavingLoader2() throws Exception {
- final ClassLoader system_loader = ClassLoader.getSystemClassLoader();
-
- final Thread[] threads = new Thread[4];
- final Object[] results = new Object[threads.length];
-
- final RacyMisbehavingLoader racy_loader =
- new RacyMisbehavingLoader(system_loader, threads.length, true);
- final Class<?> helper1 = racy_loader.loadClass("RacyMisbehavingHelper");
-
- for (int i = 0; i != threads.length; ++i) {
- final int my_index = i;
- Thread t = new Thread() {
- public void run() {
- try {
- Method get = helper1.getDeclaredMethod("get");
- results[my_index] = get.invoke(null);
- } catch (InvocationTargetException ite) {
- results[my_index] = ite.getCause();
- } catch (Throwable t) {
- results[my_index] = t;
- }
- }
- };
- t.start();
- threads[i] = t;
- }
- for (Thread t : threads) {
- t.join();
- }
- dumpResultStats(results);
- System.out.println("testRacyMisbehavingLoader2 done");
- }
-
- private static DelegatingLoader createDelegatingLoader() {
- ClassLoader system_loader = ClassLoader.getSystemClassLoader();
- DefiningLoader defining_loader = new DefiningLoader(system_loader);
- return new DelegatingLoader(system_loader, defining_loader);
- }
-
- private static void changeInner(DelegatingLoader delegating_loader) {
- ClassLoader system_loader = ClassLoader.getSystemClassLoader();
- DefiningLoader defining_loader = new DefiningLoader(system_loader);
- delegating_loader.resetDefiningLoader(defining_loader);
- }
-
- private static WeakReference<Class<?>> wrapHelperGet(Class<?> helper) throws Exception {
- Method get = helper.getDeclaredMethod("get");
- Object pair = get.invoke(null);
- printPair(pair);
- return new WeakReference<Class<?>>(getSecond(pair));
- }
-
- private static void printPair(Object pair) throws Exception {
- Method print = pair.getClass().getDeclaredMethod("print");
- print.invoke(pair);
- }
-
- private static Class<?> getSecond(Object pair) throws Exception {
- Field second = pair.getClass().getDeclaredField("second");
- return (Class<?>) second.get(pair);
- }
-
- private static boolean isClassPair(Object r) {
- return r != null && r.getClass().getName().equals("ClassPair");
- }
-
- public static native void clearResolvedTypes(Class<?> c);
-
- static boolean usingRI = false;
-}
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