122 lines
4.7 KiB
Java
122 lines
4.7 KiB
Java
/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* Asm plugin testing.
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* @test
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* @summary Test basic functionality.
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* @author Jean-Francois Denise
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* @modules java.base/jdk.internal.org.objectweb.asm
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* jdk.jlink/jdk.tools.jlink.internal
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* jdk.jlink/jdk.tools.jlink.internal.plugins.asm
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* @build AsmPluginTestBase
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* @run main IdentityPluginTest
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*/
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.UncheckedIOException;
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import jdk.internal.org.objectweb.asm.ClassReader;
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import jdk.internal.org.objectweb.asm.ClassVisitor;
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import jdk.internal.org.objectweb.asm.ClassWriter;
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import jdk.internal.org.objectweb.asm.Opcodes;
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import jdk.tools.jlink.internal.plugins.asm.AsmPool.WritableClassPool;
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import jdk.tools.jlink.plugin.ModuleEntry;
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import jdk.tools.jlink.plugin.ModulePool;
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public class IdentityPluginTest extends AsmPluginTestBase {
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public static void main(String[] args) throws Exception {
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if (!isImageBuild()) {
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System.err.println("Test not run. Not image build.");
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return;
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}
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new IdentityPluginTest().test();
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}
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public void test() throws Exception {
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IdentityPlugin asm = new IdentityPlugin();
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ModulePool resourcePool = asm.visit(getPool());
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asm.test(getPool(), resourcePool);
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}
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private class IdentityPlugin extends TestPlugin {
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@Override
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public void visit() {
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for (ModuleEntry res : getPools().getGlobalPool().getClasses()) {
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if (res.getPath().endsWith("module-info.class")) {
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continue;
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}
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ClassReader reader = getPools().getGlobalPool().getClassReader(res);
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ClassWriter writer = new ClassWriter(reader, ClassWriter.COMPUTE_FRAMES);
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IdentityClassVisitor visitor = new IdentityClassVisitor(writer);
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reader.accept(visitor, ClassReader.EXPAND_FRAMES);
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getPools().getGlobalPool().getTransformedClasses().addClass(writer);
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}
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}
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@Override
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public void test(ModulePool inResources, ModulePool outResources) throws IOException {
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if (outResources.isEmpty()) {
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throw new AssertionError("Empty result");
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}
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if (!isVisitCalled()) {
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throw new AssertionError("Resources not visited");
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}
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WritableClassPool transformedClasses = getPools().getGlobalPool().getTransformedClasses();
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if (transformedClasses.getClasses().size() != getClasses().size()) {
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throw new AssertionError("Number of transformed classes not equal to expected");
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}
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for (String className : getClasses()) {
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if (transformedClasses.getClassReader(className) == null) {
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throw new AssertionError("Class not transformed " + className);
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}
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}
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outResources.entries().forEach(r -> {
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if (r.getPath().endsWith(".class") && !r.getPath().endsWith("module-info.class")) {
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try {
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ClassReader reader = new ClassReader(new ByteArrayInputStream(r.getBytes()));
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ClassWriter w = new ClassWriter(reader, ClassWriter.COMPUTE_FRAMES);
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reader.accept(w, ClassReader.EXPAND_FRAMES);
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} catch (IOException exp) {
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throw new UncheckedIOException(exp);
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}
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}
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});
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}
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@Override
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public String getName() {
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return "identity-plugin";
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}
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}
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private static class IdentityClassVisitor extends ClassVisitor {
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public IdentityClassVisitor(ClassWriter cv) {
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super(Opcodes.ASM5, cv);
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}
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}
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}
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