test/118-noimage-dex2oat/src/Main.java

/*
 * Copyright (C) 2014 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 {
        System.loadLibrary(args[0]);
        boolean hasImage = hasImage();
        String instructionSet = VMRuntime.getCurrentInstructionSet();
        boolean isBootClassPathOnDisk = VMRuntime.isBootClassPathOnDisk(instructionSet);
        System.out.println(
                "Has image is " + hasImage + ", is image dex2oat enabled is "
                + isImageDex2OatEnabled() + ", is BOOTCLASSPATH on disk is "
                + isBootClassPathOnDisk + ".");

        if (hasImage && !isImageDex2OatEnabled()) {
            throw new Error("Image with dex2oat disabled runs with an oat file");
        } else if (!hasImage && isImageDex2OatEnabled()) {
            throw new Error("Image with dex2oat enabled runs without an oat file");
        }
        if (hasImage && !isBootClassPathOnDisk) {
            throw new Error("Image with dex2oat disabled runs with an image file");
        } else if (!hasImage && isBootClassPathOnDisk) {
            throw new Error("Image with dex2oat enabled runs without an image file");
        }

        testB18485243();
    }

    private native static boolean hasImage();

    private native static boolean isImageDex2OatEnabled();

    private static class VMRuntime {
        private static final Method getCurrentInstructionSetMethod;
        private static final Method isBootClassPathOnDiskMethod;
        static {
            try {
                Class<?> c = Class.forName("dalvik.system.VMRuntime");
                getCurrentInstructionSetMethod = c.getDeclaredMethod("getCurrentInstructionSet");
                isBootClassPathOnDiskMethod =
                        c.getDeclaredMethod("isBootClassPathOnDisk", String.class);
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }

        public static String getCurrentInstructionSet() throws Exception {
            return (String) getCurrentInstructionSetMethod.invoke(null);
        }
        public static boolean isBootClassPathOnDisk(String instructionSet) throws Exception {
            return (boolean) isBootClassPathOnDiskMethod.invoke(null, instructionSet);
        }
    }

    private static void testB18485243() throws Exception {
        Class<?> k = Class.forName("B18485243");
        Object o = k.newInstance();
        Method m = k.getDeclaredMethod("run");
        try {
            m.invoke(o);
        } catch (InvocationTargetException e) {
            Throwable actual = e.getTargetException();
            if (!(actual instanceof IncompatibleClassChangeError)) {
                throw new AssertionError("Expected IncompatibleClassChangeError", actual);
            }
        }
        System.out.println("testB18485243 PASS");
    }
}