src/test/java/com/android/tools/r8/resolution/singletarget/one/IrrelevantInterfaceWithDefaultDump.java

// Copyright (c) 2018, 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 com.android.tools.r8.resolution.singletarget.one;

import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;

/**
 * ASM dump version of {@link IrrelevantInterfaceWithDefault}.
 * <p>
 * This version defines the conflicting method overriddenByIrrelevantInterface with default.
 */
public class IrrelevantInterfaceWithDefaultDump implements Opcodes {

  public static byte[] dump() throws Exception {

    ClassWriter cw = new ClassWriter(0);
    FieldVisitor fv;
    MethodVisitor mv;
    AnnotationVisitor av0;

    cw.visit(V1_8, ACC_PUBLIC + ACC_ABSTRACT + ACC_INTERFACE,
        "com/android/tools/r8/resolution/singletarget/one/IrrelevantInterfaceWithDefault", null,
        "java/lang/Object", null);

    {
      mv = cw.visitMethod(ACC_PUBLIC, "overriddenByIrrelevantInterface", "()V", null, null);
      mv.visitCode();
      mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
      mv.visitLdcInsn(Type.getType(
          "Lcom/android/tools/r8/resolution/singletarget/one/IrrelevantInterfaceWithDefault;"));
      mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getCanonicalName",
          "()Ljava/lang/String;", false);
      mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V",
          false);
      mv.visitInsn(RETURN);
      mv.visitMaxs(2, 1);
      mv.visitEnd();
    }
    cw.visitEnd();

    cw.visit(V1_8, ACC_PUBLIC + ACC_ABSTRACT + ACC_INTERFACE,
        "com/android/tools/r8/resolution/singletarget/one/IrrelevantInterfaceWithDefault", null,
        "java/lang/Object", null);

    {
      mv = cw.visitMethod(ACC_PUBLIC, "overriddenInOtherInterface", "()V", null, null);
      mv.visitCode();
      mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
      mv.visitLdcInsn(Type.getType(
          "Lcom/android/tools/r8/resolution/singletarget/one/IrrelevantInterfaceWithDefault;"));
      mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getCanonicalName",
          "()Ljava/lang/String;", false);
      mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V",
          false);
      mv.visitInsn(RETURN);
      mv.visitMaxs(2, 1);
      mv.visitEnd();
    }
    cw.visitEnd();

    return cw.toByteArray();
  }
}