/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You under the Apache License, Version 2.0
    * (the "License"); you may not use this file except in compliance with
    * the License.  You may obtain a copy of the License at
    *
    *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.apache.bcel.util;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import java.util.Iterator;
  
  import org.apache.bcel.AbstractTestCase;
  import org.apache.bcel.generic.IADD;
  import org.apache.bcel.generic.ILOAD;
  import org.apache.bcel.generic.ISTORE;
  import org.apache.bcel.generic.InstructionHandle;
  import org.apache.bcel.generic.InstructionList;
  import org.junit.jupiter.api.Test;
  
  public class InstructionFinderTest extends AbstractTestCase {
  
      @Test
      public void testSearch() {
          final InstructionList il = new InstructionList();
          il.append(new ILOAD(1));
          il.append(new ILOAD(2));
          il.append(new IADD());
          il.append(new ISTORE(3));
          final InstructionFinder finder = new InstructionFinder(il);
  
          final Iterator<?> it = finder.search("ILOAD IADD", il.getInstructionHandles()[0], null);
          final InstructionHandle[] ihs = (InstructionHandle[]) it.next();
          assertEquals(2, ihs.length);
          assertEquals(ihs[0].getInstruction(), new ILOAD(2));
          assertEquals(ihs[1].getInstruction(), new IADD());
      }
  }