content: /*
   * Copyright 2021-2022 Alibaba Group Holding Ltd.
   *
   *    Licensed 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 com.aliyun.fastmodel.core.tree.expr;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import com.aliyun.fastmodel.core.tree.expr.enums.ComparisonOperator;
  import com.aliyun.fastmodel.core.tree.expr.enums.LogicalOperator;
  import com.aliyun.fastmodel.core.tree.expr.literal.LongLiteral;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertTrue;
  
  /**
   * Desc:
   *
   * @author panguanjing
   * @date 2020/11/4
   */
  public class LogicalBinaryExpressionTest {
  
      @Test
      public void testEqual() {
          List<BaseExpression> list = prepare();
          BaseExpression logicalBinaryExpression = toTree(list);
          assertNotNull(logicalBinaryExpression);
      }
  
  
      @Test
      public void testEquals(){
          LogicalBinaryExpression logicalBinaryExpression1 = new LogicalBinaryExpression(LogicalOperator.AND,
              new LongLiteral("1"), new LongLiteral("2"));
          LogicalBinaryExpression logicalBinaryExpression2 = new LogicalBinaryExpression(LogicalOperator.AND,
              new LongLiteral("1"), new LongLiteral("2"));
          assertEquals(logicalBinaryExpression1, logicalBinaryExpression2);
      }
  
      private BaseExpression toTree(List<BaseExpression> list) {
          if (list.isEmpty()) {
              return null;
          }
          if (list.size() == 1) {
              return list.get(0);
          }
          return new LogicalBinaryExpression(LogicalOperator.AND, list.remove(0), toTree(list));
      }
  
      private List<BaseExpression> prepare() {
          List<BaseExpression> list = new ArrayList<>();
          list.add(new ComparisonExpression(ComparisonOperator.EQUAL, new Identifier("a"), new LongLiteral("1")));
          list.add(new ComparisonExpression(ComparisonOperator.EQUAL, new Identifier("b"), new LongLiteral("2")));
          list.add(new ComparisonExpression(ComparisonOperator.EQUAL, new Identifier("c"), new LongLiteral("3")));
          list.add(new ComparisonExpression(ComparisonOperator.EQUAL, new Identifier("d"), new LongLiteral("3")));
          return list;
      }
  }