ART: PathClassLoader test
Add a test checking that subclassing PathClassLoader works as
expected.
Change-Id: Ic6bb733b748df5e29b21df021f302ed4237b0f99
diff --git a/test/142-classloader2/src/Main.java b/test/142-classloader2/src/Main.java
new file mode 100644
index 0000000..86c61eb
--- /dev/null
+++ b/test/142-classloader2/src/Main.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2015 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.Field;
+
+/**
+ * PathClassLoader test.
+ */
+public class Main {
+
+ private static ClassLoader createClassLoader(String dexPath, ClassLoader parent) {
+ try {
+ Class<?> myClassLoaderClass = Class.forName("MyPathClassLoader");
+ Constructor constructor = myClassLoaderClass.getConstructor(String.class,
+ ClassLoader.class);
+ return (ClassLoader)constructor.newInstance(dexPath, parent);
+ } catch (Exception e) {
+ // Ups, not available?!?!
+ throw new RuntimeException(e);
+ }
+ }
+
+ /**
+ * Main entry point.
+ */
+ public static void main(String[] args) throws Exception {
+ // Check the class-path for the second file. We'll use that one as the source of the
+ // new classloader.
+ String cp = System.getProperty("java.class.path");
+ if (cp.split(System.getProperty("path.separator")).length != 1) {
+ throw new IllegalStateException("Didn't find exactly one classpath element in " + cp);
+ }
+ if (!cp.endsWith("classloader2.jar")) {
+ throw new IllegalStateException("Don't understand classpath " + cp);
+ }
+ cp = cp.replace("classloader2.jar", "classloader2-ex.jar");
+
+ ClassLoader myClassLoader = createClassLoader(
+ cp, ClassLoader.getSystemClassLoader().getParent());
+
+ // Now load our test class.
+ Class<?> srcClass = A.class;
+ Class<?> exClass = myClassLoader.loadClass("A");
+
+ // First check: classes should be different.
+ if (srcClass == exClass) {
+ throw new IllegalStateException("Loaded class instances are the same");
+ }
+
+ // Secondary checks: get the static field values and make sure they aren't the same.
+ String srcValue = (String)srcClass.getDeclaredField("value").get(null);
+ if (!"Src-A".equals(srcValue)) {
+ throw new IllegalStateException("Expected Src-A, found " + srcValue);
+ }
+ String exValue = (String)exClass.getDeclaredField("value").get(null);
+ if (!"Ex-A".equals(exValue)) {
+ throw new IllegalStateException("Expected Ex-A, found " + exValue);
+ }
+
+ System.out.println("Everything OK.");
+ }
+}