/*

 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * Asm plugin testing.

 * @test

 * @summary Test basic functionality.

 * @author Jean-Francois Denise

 * @modules java.base/jdk.internal.org.objectweb.asm

 *          jdk.jlink/jdk.tools.jlink.internal

 *          jdk.jlink/jdk.tools.jlink.internal.plugins.asm

 * @build AsmPluginTestBase

 * @run main IdentityPluginTest

 */

import java.io.ByteArrayInputStream;

import java.io.IOException;

import jdk.internal.org.objectweb.asm.ClassReader;

import jdk.internal.org.objectweb.asm.ClassVisitor;

import jdk.internal.org.objectweb.asm.ClassWriter;

import jdk.internal.org.objectweb.asm.Opcodes;

import jdk.tools.jlink.internal.plugins.asm.AsmPool.WritableClassPool;

public class IdentityPluginTest extends AsmPluginTestBase {

    public static void main(String[] args) throws Exception {

        if (!isImageBuild()) {

            System.err.println("Test not run. Not image build.");

            return;

        }

        new IdentityPluginTest().test();

    }

    public void test() throws Exception {

        IdentityPlugin asm = new IdentityPlugin();

        asm.test(getPool(), resourcePool);

    }

    private class IdentityPlugin extends TestPlugin {

        @Override

        public void visit() {

                if (res.getPath().endsWith("module-info.class")) {

                    continue;

                }

                ClassReader reader = getPools().getGlobalPool().getClassReader(res);

                ClassWriter writer = new ClassWriter(reader, ClassWriter.COMPUTE_FRAMES);

                IdentityClassVisitor visitor = new IdentityClassVisitor(writer);

                reader.accept(visitor, ClassReader.EXPAND_FRAMES);

                getPools().getGlobalPool().getTransformedClasses().addClass(writer);

            }

        }

        @Override

            if (outResources.isEmpty()) {

                throw new AssertionError("Empty result");

            }

            if (!isVisitCalled()) {

                throw new AssertionError("Resources not visited");

            }

            WritableClassPool transformedClasses = getPools().getGlobalPool().getTransformedClasses();

            if (transformedClasses.getClasses().size() != getClasses().size()) {

                throw new AssertionError("Number of transformed classes not equal to expected");

            }

            for (String className : getClasses()) {

                if (transformedClasses.getClassReader(className) == null) {

                    throw new AssertionError("Class not transformed " + className);

                }

            }

                if (r.getPath().endsWith(".class") && !r.getPath().endsWith("module-info.class")) {

                }

        }

        @Override

        public String getName() {

            return "identity-plugin";

        }

    }

    private static class IdentityClassVisitor extends ClassVisitor {

        public IdentityClassVisitor(ClassWriter cv) {

            super(Opcodes.ASM5, cv);

        }

    }

}