// Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package invokecustom;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.invoke.CallSite;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.Handle;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;

// TODO(b/167145686): Migrate these tests to the new setup ala
//  InvokeDynamicVirtualDispatchToDefaultInterfaceMethodTest
public class TestGenerator {

  private final Path classNamePath;
  private final Path outputClassNamePath;

  public static void main(String[] args) throws IOException {
    assert args.length == 2;
    String fileName = InvokeCustom.class.getSimpleName() + ".class";
    Path inputFile = Paths.get(args[0], TestGenerator.class.getPackage().getName(), fileName);
    Path outputFile = Paths.get(args[1], fileName);
    TestGenerator testGenerator = new TestGenerator(inputFile, outputFile);
    testGenerator.generateTests();
  }

  public TestGenerator(Path classNamePath, Path outputClassNamePath) {
    this.classNamePath = classNamePath;
    this.outputClassNamePath = outputClassNamePath;
  }

  private void generateTests() throws IOException {
    Files.createDirectories(outputClassNamePath.getParent());
    try (InputStream input = Files.newInputStream(classNamePath)) {
      ClassReader cr = new ClassReader(input);
      ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS | ClassWriter.COMPUTE_FRAMES);
      cr.accept(
          new ClassVisitor(Opcodes.ASM7, cw) {
            @Override
            public void visitEnd() {
              generateMethodTest1(cw);
              generateMethodTest2(cw);
              generateMethodTest3(cw);
              generateMethodTest4(cw);
              generateMethodTest5(cw);
              generateMethodTest6(cw);
              generateMethodTest7(cw);
              generateMethodTest8(cw);
              generateMethodTest10(cw);
              generateMethodTest11(cw);
              generateMethodTest12(cw);
              generateMethodTest13(cw);
              generateMethodTest14(cw);
              generateMethodMain(cw);
              super.visitEnd();
            }
          },
          0);
      try (OutputStream output =
          Files.newOutputStream(outputClassNamePath, StandardOpenOption.CREATE)) {
        output.write(cw.toByteArray());
      }
    }
  }

  /* generate main method that only call all test methods. */
  private void generateMethodMain(ClassVisitor cv) {
    MethodVisitor mv =
        cv.visitMethod(
            Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null);
    mv.visitMethodInsn(
        Opcodes.INVOKESTATIC, Type.getInternalName(InvokeCustom.class), "test1", "()V", false);
    mv.visitMethodInsn(
        Opcodes.INVOKESTATIC, Type.getInternalName(InvokeCustom.class), "test2", "()V", false);
    mv.visitMethodInsn(
        Opcodes.INVOKESTATIC, Type.getInternalName(InvokeCustom.class), "test3", "()V", false);
    mv.visitMethodInsn(
        Opcodes.INVOKESTATIC, Type.getInternalName(InvokeCustom.class), "test4", "()V", false);
    mv.visitMethodInsn(
        Opcodes.INVOKESTATIC, Type.getInternalName(InvokeCustom.class), "test5", "()V", false);
    mv.visitMethodInsn(
        Opcodes.INVOKESTATIC, Type.getInternalName(InvokeCustom.class), "test6", "()V", false);
    mv.visitMethodInsn(
        Opcodes.INVOKESTATIC, Type.getInternalName(InvokeCustom.class), "test7", "()V", false);
    mv.visitMethodInsn(
        Opcodes.INVOKESTATIC, Type.getInternalName(InvokeCustom.class), "test8", "()V", false);
    mv.visitMethodInsn(
        Opcodes.INVOKESTATIC, Type.getInternalName(InvokeCustom.class), "test10", "()V", false);
    mv.visitMethodInsn(
        Opcodes.INVOKESTATIC, Type.getInternalName(InvokeCustom.class), "test11", "()V", false);
    mv.visitMethodInsn(
        Opcodes.INVOKESTATIC, Type.getInternalName(InvokeCustom.class), "test12", "()V", false);
    mv.visitMethodInsn(
        Opcodes.INVOKESTATIC, Type.getInternalName(InvokeCustom.class), "test13", "()V", false);
    mv.visitMethodInsn(
        Opcodes.INVOKESTATIC, Type.getInternalName(InvokeCustom.class), "test14", "()V", false);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(-1, -1);
  }

  /**
   * Generate test with an invokedynamic, a static bootstrap method without extra args and no arg to
   * the target method.
   */
  private void generateMethodTest1(ClassVisitor cv) {
    MethodVisitor mv =
        cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test1", "()V", null, null);
    MethodType mt =
        MethodType.methodType(
            CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class);
    Handle bootstrap =
        new Handle(
            Opcodes.H_INVOKESTATIC,
            Type.getInternalName(InvokeCustom.class),
            "bsmLookupStatic",
            mt.toMethodDescriptorString(),
            false);
    mv.visitInvokeDynamicInsn("targetMethodTest1", "()V", bootstrap);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(-1, -1);
  }

  /**
   * Generate test with an invokedynamic, a static bootstrap method without extra args and args to
   * the target method.
   */
  private void generateMethodTest2(ClassVisitor cv) {
    MethodVisitor mv =
        cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test2", "()V", null, null);
    MethodType mt =
        MethodType.methodType(
            CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class);
    Handle bootstrap =
        new Handle(
            Opcodes.H_INVOKESTATIC,
            Type.getInternalName(InvokeCustom.class),
            "bsmLookupStatic",
            mt.toMethodDescriptorString(),
            false);
    mv.visitLdcInsn(new Boolean(true));
    mv.visitLdcInsn(new Byte((byte) 127));
    mv.visitLdcInsn(new Character('c'));
    mv.visitLdcInsn(new Short((short) 1024));
    mv.visitLdcInsn(new Integer(123456));
    mv.visitLdcInsn(new Float(1.2f));
    mv.visitLdcInsn(new Long(123456789));
    mv.visitLdcInsn(new Double(3.5123456789));
    mv.visitLdcInsn("String");
    mv.visitInvokeDynamicInsn("targetMethodTest2", "(ZBCSIFJDLjava/lang/String;)V", bootstrap);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(-1, -1);
  }

  /**
   * Generate test with an invokedynamic, a static bootstrap method with extra args and no arg to
   * the target method.
   */
  private void generateMethodTest3(ClassVisitor cv) {
    MethodVisitor mv =
        cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test3", "()V", null, null);
    MethodType mt =
        MethodType.methodType(
            CallSite.class,
            MethodHandles.Lookup.class,
            String.class,
            MethodType.class,
            int.class,
            long.class,
            float.class,
            double.class);
    Handle bootstrap =
        new Handle(
            Opcodes.H_INVOKESTATIC,
            Type.getInternalName(InvokeCustom.class),
            "bsmLookupStaticWithExtraArgs",
            mt.toMethodDescriptorString(),
            false);
    mv.visitInvokeDynamicInsn(
        "targetMethodTest3",
        "()V",
        bootstrap,
        new Integer(1),
        new Long(123456789),
        new Float(123.456),
        new Double(123456.789123));
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(-1, -1);
  }

  /**
   * Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
   * MethodHandle of kind invokespecial.
   */
  private void generateMethodTest4(ClassVisitor cv) {
    MethodVisitor mv =
        cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test4", "()V", null, null);
    MethodType mt =
        MethodType.methodType(
            CallSite.class,
            MethodHandles.Lookup.class,
            String.class,
            MethodType.class,
            MethodHandle.class);
    Handle bootstrap =
        new Handle(
            Opcodes.H_INVOKESTATIC,
            Type.getInternalName(InvokeCustom.class),
            "bsmCreateCallSite",
            mt.toMethodDescriptorString(),
            false);
    mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(
        Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
    mv.visitInvokeDynamicInsn(
        "targetMethodTest5",
        "(Linvokecustom/InvokeCustom;)V",
        bootstrap,
        new Handle(
            Opcodes.H_INVOKESPECIAL,
            Type.getInternalName(Super.class),
            "targetMethodTest5",
            "()V",
            false));
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(-1, -1);
  }

  /**
   * Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
   * MethodHandle of kind invoke interface. The target method is a default method into an interface
   * that shadows another default method from a super interface.
   */
  private void generateMethodTest5(ClassVisitor cv) {
    MethodVisitor mv =
        cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test5", "()V", null, null);
    MethodType mt =
        MethodType.methodType(
            CallSite.class,
            MethodHandles.Lookup.class,
            String.class,
            MethodType.class,
            MethodHandle.class);
    Handle bootstrap =
        new Handle(
            Opcodes.H_INVOKESTATIC,
            Type.getInternalName(InvokeCustom.class),
            "bsmCreateCallSite",
            mt.toMethodDescriptorString(),
            false);
    mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(
        Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
    mv.visitInvokeDynamicInsn(
        "targetMethodTest6",
        "(Linvokecustom/I;)V",
        bootstrap,
        new Handle(
            Opcodes.H_INVOKEINTERFACE,
            Type.getInternalName(I.class),
            "targetMethodTest6",
            "()V",
            true));
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(-1, -1);
  }

  /**
   * Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
   * MethodHandle of kind invoke interface. The target method is a default method into an interface
   * that is at the end of a chain of interfaces.
   */
  private void generateMethodTest6(ClassVisitor cv) {
    MethodVisitor mv =
        cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test6", "()V", null, null);
    MethodType mt =
        MethodType.methodType(
            CallSite.class,
            MethodHandles.Lookup.class,
            String.class,
            MethodType.class,
            MethodHandle.class);
    Handle bootstrap =
        new Handle(
            Opcodes.H_INVOKESTATIC,
            Type.getInternalName(InvokeCustom.class),
            "bsmCreateCallSite",
            mt.toMethodDescriptorString(),
            false);
    mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(
        Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
    mv.visitInvokeDynamicInsn(
        "targetMethodTest7",
        "(Linvokecustom/J;)V",
        bootstrap,
        new Handle(
            Opcodes.H_INVOKEINTERFACE,
            Type.getInternalName(J.class),
            "targetMethodTest7",
            "()V",
            true));
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(-1, -1);
  }

  /**
   * Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
   * MethodHandle of kind invoke interface. The target method is a method into an interface that is
   * shadowed by another definition into a sub interfaces.
   */
  private void generateMethodTest7(ClassVisitor cv) {
    MethodVisitor mv =
        cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test7", "()V", null, null);
    MethodType mt =
        MethodType.methodType(
            CallSite.class,
            MethodHandles.Lookup.class,
            String.class,
            MethodType.class,
            MethodHandle.class);
    Handle bootstrap =
        new Handle(
            Opcodes.H_INVOKESTATIC,
            Type.getInternalName(InvokeCustom.class),
            "bsmCreateCallSite",
            mt.toMethodDescriptorString(),
            false);
    mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(
        Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
    mv.visitInvokeDynamicInsn(
        "targetMethodTest8",
        "(Linvokecustom/J;)V",
        bootstrap,
        new Handle(
            Opcodes.H_INVOKEINTERFACE,
            Type.getInternalName(J.class),
            "targetMethodTest8",
            "()V",
            true));
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(-1, -1);
  }

  /**
   * Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
   * MethodHandle of kind invoke virtual. The target method is a method into an interface that is
   * not shadowed by an implementation into a classes implementing the interface.
   */
  private void generateMethodTest8(ClassVisitor cv) {
    MethodVisitor mv =
        cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test8", "()V", null, null);
    MethodType mt =
        MethodType.methodType(
            CallSite.class,
            MethodHandles.Lookup.class,
            String.class,
            MethodType.class,
            MethodHandle.class);
    Handle bootstrap =
        new Handle(
            Opcodes.H_INVOKESTATIC,
            Type.getInternalName(InvokeCustom.class),
            "bsmCreateCallSite",
            mt.toMethodDescriptorString(),
            false);
    mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(
        Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
    mv.visitInvokeDynamicInsn(
        "targetMethodTest9",
        "(Linvokecustom/InvokeCustom;)V",
        bootstrap,
        new Handle(
            Opcodes.H_INVOKEVIRTUAL,
            Type.getInternalName(InvokeCustom.class),
            "targetMethodTest9",
            "()V",
            false));
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(-1, -1);
  }

  /**
   * Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
   * MethodHandle of kind get static. The method handle read a static field from a class.
   */
  private void generateMethodTest10(ClassVisitor cv) {
    MethodVisitor mv =
        cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test10", "()V", null, null);
    MethodType mt =
        MethodType.methodType(
            CallSite.class,
            MethodHandles.Lookup.class,
            String.class,
            MethodType.class,
            MethodHandle.class);
    Handle bootstrap =
        new Handle(
            Opcodes.H_INVOKESTATIC,
            Type.getInternalName(InvokeCustom.class),
            "bsmCreateCallSite",
            mt.toMethodDescriptorString(),
            false);
    mv.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
    mv.visitInvokeDynamicInsn(
        "staticField1",
        "()Ljava/lang/String;",
        bootstrap,
        new Handle(
            Opcodes.H_GETSTATIC,
            Type.getInternalName(InvokeCustom.class),
            "staticField1",
            "Ljava/lang/String;",
            false));
    mv.visitMethodInsn(
        Opcodes.INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(-1, -1);
  }

  /**
   * Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
   * MethodHandle of kind put static. The method handle write a static field in a class and then
   * print its value.
   */
  private void generateMethodTest11(ClassVisitor cv) {
    MethodVisitor mv =
        cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test11", "()V", null, null);
    MethodType mt =
        MethodType.methodType(
            CallSite.class,
            MethodHandles.Lookup.class,
            String.class,
            MethodType.class,
            MethodHandle.class);
    Handle bootstrap =
        new Handle(
            Opcodes.H_INVOKESTATIC,
            Type.getInternalName(InvokeCustom.class),
            "bsmCreateCallSite",
            mt.toMethodDescriptorString(),
            false);
    mv.visitLdcInsn("Write static field");
    mv.visitInvokeDynamicInsn(
        "staticField1",
        "(Ljava/lang/String;)V",
        bootstrap,
        new Handle(
            Opcodes.H_PUTSTATIC,
            Type.getInternalName(InvokeCustom.class),
            "staticField1",
            "Ljava/lang/String;",
            false));
    mv.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
    mv.visitFieldInsn(
        Opcodes.GETSTATIC,
        Type.getInternalName(InvokeCustom.class),
        "staticField1",
        "Ljava/lang/String;");
    mv.visitMethodInsn(
        Opcodes.INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(-1, -1);
  }

  /**
   * Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
   * MethodHandle of kind get instance. The method handle read an instance field from a class.
   */
  private void generateMethodTest12(ClassVisitor cv) {
    MethodVisitor mv =
        cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test12", "()V", null, null);
    MethodType mt =
        MethodType.methodType(
            CallSite.class,
            MethodHandles.Lookup.class,
            String.class,
            MethodType.class,
            MethodHandle.class);
    Handle bootstrap =
        new Handle(
            Opcodes.H_INVOKESTATIC,
            Type.getInternalName(InvokeCustom.class),
            "bsmCreateCallSite",
            mt.toMethodDescriptorString(),
            false);
    mv.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
    mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(
        Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
    mv.visitInvokeDynamicInsn(
        "instanceField1",
        "(Linvokecustom/InvokeCustom;)Ljava/lang/String;",
        bootstrap,
        new Handle(
            Opcodes.H_GETFIELD,
            Type.getInternalName(InvokeCustom.class),
            "instanceField1",
            "Ljava/lang/String;",
            false));
    mv.visitMethodInsn(
        Opcodes.INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(-1, -1);
  }

  /**
   * Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
   * MethodHandle of kind put instance. The method handle write an instance field in a class and
   * then print its value.
   */
  private void generateMethodTest13(ClassVisitor cv) {
    MethodVisitor mv =
        cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test13", "()V", null, null);
    MethodType mt =
        MethodType.methodType(
            CallSite.class,
            MethodHandles.Lookup.class,
            String.class,
            MethodType.class,
            MethodHandle.class);
    Handle bootstrap =
        new Handle(
            Opcodes.H_INVOKESTATIC,
            Type.getInternalName(InvokeCustom.class),
            "bsmCreateCallSite",
            mt.toMethodDescriptorString(),
            false);
    mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(
        Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
    mv.visitVarInsn(Opcodes.ASTORE, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitLdcInsn("Write instance field");
    mv.visitInvokeDynamicInsn(
        "instanceField1",
        "(Linvokecustom/InvokeCustom;Ljava/lang/String;)V",
        bootstrap,
        new Handle(
            Opcodes.H_PUTFIELD,
            Type.getInternalName(InvokeCustom.class),
            "instanceField1",
            "Ljava/lang/String;",
            false));
    mv.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(
        Opcodes.GETFIELD,
        Type.getInternalName(InvokeCustom.class),
        "instanceField1",
        "Ljava/lang/String;");
    mv.visitMethodInsn(
        Opcodes.INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(-1, -1);
  }

  /**
   * Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
   * MethodHandle of kind invoke instance taking an argument and returning a result. This should
   * work through renaming.
   */
  private void generateMethodTest14(ClassVisitor cv) {
    MethodVisitor mv =
        cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test14", "()V", null, null);
    MethodType mt =
        MethodType.methodType(
            CallSite.class,
            MethodHandles.Lookup.class,
            String.class,
            MethodType.class,
            MethodHandle.class);
    Handle bootstrap =
        new Handle(
            Opcodes.H_INVOKESTATIC,
            Type.getInternalName(InvokeCustom.class),
            "bsmCreateCallSite",
            mt.toMethodDescriptorString(),
            false);
    mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(
        Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
    mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(ClassWithLongName.class));
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(
        Opcodes.INVOKESPECIAL,
        Type.getInternalName(ClassWithLongName.class),
        "<init>",
        "()V",
        false);
    mv.visitInvokeDynamicInsn(
        "targetMethodTest11",
        "(Linvokecustom/InvokeCustom;Linvokecustom/ClassWithLongName;)"
            + "Linvokecustom/AnotherClassWithALongName;",
        bootstrap,
        new Handle(
            Opcodes.H_INVOKEVIRTUAL,
            Type.getInternalName(InvokeCustom.class),
            "targetMethodTest11",
            "(Linvokecustom/ClassWithLongName;)Linvokecustom/AnotherClassWithALongName;",
            false));
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(-1, -1);
  }
}