Adding old unit tests to test suite.
These tests are copied straight over. They'll still run, but they're
using the old system.
Change-Id: If494519e52ddf858a9febfc55bdae830468cb3c8
diff --git a/test/087-gc-after-link/src/Main.java b/test/087-gc-after-link/src/Main.java
new file mode 100644
index 0000000..dc68f9f
--- /dev/null
+++ b/test/087-gc-after-link/src/Main.java
@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2010 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.Constructor;
+import java.lang.reflect.Method;
+import java.lang.reflect.InvocationTargetException;
+
+/**
+ * Class loader test.
+ */
+public class Main {
+ /**
+ * Thrown when an unexpected Exception is caught internally.
+ */
+ static class TestFailed extends Exception {
+ public TestFailed(Throwable cause) {
+ super(cause);
+ }
+ }
+
+ /**
+ * A class loader which loads classes from the dex file
+ * "test.jar". However, it will return null when asked to load the
+ * class InaccessibleSuper.
+ *
+ * When testing code calls BrokenDexLoader's findBrokenClass(),
+ * a BrokenDexLoader will be the defining loader for the class
+ * Inaccessible. The VM will call the defining loader for
+ * "InaccessibleSuper", which will return null, which the VM
+ * should be able to deal with gracefully.
+ *
+ * Note that this depends heavily on the Dalvik test harness.
+ */
+ static class BrokenDexLoader extends ClassLoader {
+
+ /** We return null when asked to load InaccessibleSuper. */
+ private static class InaccessibleSuper {}
+ private static class Inaccessible extends InaccessibleSuper {}
+
+ private static final String SUPERCLASS_NAME =
+ "Main$BrokenDexLoader$InaccessibleSuper";
+ private static final String CLASS_NAME =
+ "Main$BrokenDexLoader$Inaccessible";
+
+ private static final String DEX_FILE = "test.jar";
+
+ public BrokenDexLoader(ClassLoader parent) {
+ super(parent);
+ }
+
+ /**
+ * Finds the class with the specified binary name, from DEX_FILE.
+ *
+ * If we don't find a match, we throw an exception.
+ */
+ private Class<?> findDexClass(String name)
+ throws TestFailed, InvocationTargetException
+ {
+ Object dexFile = null;
+ Class dexClass = null;
+
+ try {
+ try {
+ /*
+ * Find the DexFile class, and construct a DexFile object
+ * through reflection, then call loadClass on it.
+ */
+ dexClass = ClassLoader.getSystemClassLoader().
+ loadClass("dalvik/system/DexFile");
+ Constructor ctor = dexClass.
+ getConstructor(new Class[] {String.class});
+ dexFile = ctor.newInstance(DEX_FILE);
+ Method meth = dexClass.getMethod("loadClass",
+ new Class[] { String.class, ClassLoader.class });
+ /*
+ * Invoking loadClass on CLASS_NAME is expected to
+ * throw an InvocationTargetException. Anything else
+ * is an error we can't recover from.
+ */
+ meth.invoke(dexFile, name, this);
+ } finally {
+ if (dexFile != null) {
+ /* close the DexFile to make CloseGuard happy */
+ Method meth = dexClass.getMethod("close", (Class[]) null);
+ meth.invoke(dexFile);
+ }
+ }
+ } catch (NoSuchMethodException nsme) {
+ throw new TestFailed(nsme);
+ } catch (InstantiationException ie) {
+ throw new TestFailed(ie);
+ } catch (IllegalAccessException iae) {
+ throw new TestFailed(iae);
+ } catch (ClassNotFoundException cnfe) {
+ throw new TestFailed(cnfe);
+ }
+
+ return null;
+ }
+
+ /**
+ * Load a class.
+ *
+ * Return null if the class's name is SUPERCLASS_NAME;
+ * otherwise invoke the super's loadClass method.
+ */
+ public Class<?> loadClass(String name, boolean resolve)
+ throws ClassNotFoundException
+ {
+ if (SUPERCLASS_NAME.equals(name)) {
+ return null;
+ }
+
+ return super.loadClass(name, resolve);
+ }
+
+ /**
+ * Attempt to find the class with the superclass we refuse to
+ * load. This is expected to throw an
+ * InvocationTargetException, with a NullPointerException as
+ * its cause.
+ */
+ public void findBrokenClass()
+ throws TestFailed, InvocationTargetException
+ {
+ findDexClass(CLASS_NAME);
+ }
+ }
+
+ /**
+ * Main entry point.
+ */
+ public static void main(String[] args)
+ throws TestFailed, ClassNotFoundException {
+ /*
+ * Run test.
+ */
+ testFailLoadAndGc();
+ }
+
+ /**
+ * See if we can GC after a failed load.
+ */
+ static void testFailLoadAndGc() throws TestFailed {
+ try {
+ BrokenDexLoader loader;
+
+ loader = new BrokenDexLoader(ClassLoader.getSystemClassLoader());
+ loader.findBrokenClass();
+ System.err.println("ERROR: Inaccessible was accessible");
+ } catch (InvocationTargetException ite) {
+ Throwable cause = ite.getCause();
+ if (cause instanceof NullPointerException) {
+ System.err.println("Got expected ITE/NPE");
+ } else {
+ System.err.println("Got unexpected ITE");
+ ite.printStackTrace();
+ }
+ }
+ System.gc();
+ System.out.println("GC complete.");
+ }
+}