97 lines
3.9 KiB
Java
97 lines
3.9 KiB
Java
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import dalvik.system.PathClassLoader;
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import java.lang.reflect.Method;
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import java.io.File;
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import java.nio.ByteBuffer;
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import java.util.Base64;
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public class Main {
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private static void check(boolean expected, boolean actual, String message) {
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if (expected != actual) {
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System.err.println(
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"ERROR: " + message + " (expected=" + expected + ", actual=" + actual + ")");
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throw new Error("");
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}
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}
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private static ClassLoader singleLoader() {
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return new PathClassLoader(DEX_EXTRA, /*parent*/null);
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}
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private static void test(ClassLoader loader,
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boolean expectedHasVdexFile,
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boolean expectedBackedByOat,
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boolean invokeMethod) throws Exception {
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// If ART created a vdex file, it must have verified all the classes.
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// That happens if and only if we expect a vdex at the end of the test but
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// do not expect it to have been loaded.
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boolean expectedClassesVerified = expectedHasVdexFile && !expectedBackedByOat;
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waitForVerifier();
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check(expectedClassesVerified, areClassesVerified(loader), "areClassesVerified");
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check(expectedHasVdexFile, hasVdexFile(loader), "hasVdexFile");
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check(expectedBackedByOat, isBackedByOatFile(loader), "isBackedByOatFile");
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check(expectedBackedByOat, areClassesPreverified(loader), "areClassesPreverified");
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if (invokeMethod) {
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loader.loadClass("art.ClassB").getDeclaredMethod("printHello").invoke(null);
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}
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if (expectedBackedByOat) {
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String filter = getCompilerFilter(loader.loadClass("art.ClassB"));
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if (!("verify".equals(filter))) {
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throw new Error("Expected verify, got " + filter);
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}
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}
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}
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public static void main(String[] args) throws Exception {
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System.loadLibrary(args[0]);
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// Feature is disabled in debuggable mode because runtime threads are not
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// allowed to load classes.
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boolean featureEnabled = !isDebuggable();
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// SDK version not set. Background verification job should not have run
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// and vdex should not have been created.
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test(singleLoader(), /*hasVdex*/ false, /*backedByOat*/ false, /*invokeMethod*/ true);
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// Feature only enabled for target SDK version Q and later.
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setTargetSdkVersion(/* Q */ 29);
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// SDK version directory is now set. Background verification job should have run,
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// should have verified classes and written results to a vdex.
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test(singleLoader(), /*hasVdex*/ featureEnabled, /*backedByOat*/ false, /*invokeMethod*/ true);
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test(singleLoader(), /*hasVdex*/ featureEnabled, /*backedByOat*/ featureEnabled,
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/*invokeMethod*/ true);
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}
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private static native boolean isDebuggable();
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private static native int setTargetSdkVersion(int version);
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private static native void waitForVerifier();
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private static native boolean areClassesVerified(ClassLoader loader);
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private static native boolean hasVdexFile(ClassLoader loader);
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private static native boolean isBackedByOatFile(ClassLoader loader);
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private static native boolean areClassesPreverified(ClassLoader loader);
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private static native String getCompilerFilter(Class cls);
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private static final String DEX_LOCATION = System.getenv("DEX_LOCATION");
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private static final String DEX_EXTRA =
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new File(DEX_LOCATION, "692-vdex-secondary-loader-ex.jar").getAbsolutePath();
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}
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