/*
    * 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
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   */
  package org.apache.bcel.verifier.structurals;
  
  import static org.assertj.core.api.Assertions.assertThatCode;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  import org.apache.bcel.classfile.Constant;
  import org.apache.bcel.generic.ConstantPoolGen;
  import org.apache.bcel.generic.LDC;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.MethodSource;
  
  public class InstConstraintVisitorTestCase {
      private ConstantPoolGen cp;
  
      @ParameterizedTest
      @MethodSource("org.apache.bcel.verifier.statics.Pass3aVerifierTestCase#constantsNotSupportedByLdc")
      public void rejectLdcConstantModule(final Constant constant) {
          final InstConstraintVisitor visitor = new InstConstraintVisitor();
  
          cp = mock(ConstantPoolGen.class);
          when(cp.getConstant(0)).thenReturn(constant);
  
          visitor.setConstantPoolGen(cp);
  
          final LDC ldc = new LDC(0);
  
          assertThatCode(() -> visitor.visitLDC(ldc)).hasMessageStartingWith("Instruction LDC constraint violated: Referenced constant should be a");
      }
  
      @BeforeEach
      public void setup() {
          cp = mock(ConstantPoolGen.class);
      }
  }