content: /*
   * Copyright 1999-2018 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.alibaba.druid.sql;
  
  import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr;
  import com.alibaba.druid.sql.ast.expr.SQLBinaryOperator;
  import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
  import com.alibaba.druid.sql.ast.expr.SQLIntegerExpr;
  import com.alibaba.druid.sql.parser.SQLExprParser;
  import junit.framework.TestCase;
  import org.junit.Assert;
  
  public class SQLExprParserTest extends TestCase {
      public void test_binary() throws Exception {
          SQLExprParser exprParser = new SQLExprParser("AGE > 5");
          SQLBinaryOpExpr binaryOpExpr = (SQLBinaryOpExpr) exprParser.expr();
  
          Assert.assertEquals(SQLBinaryOperator.GreaterThan, binaryOpExpr.getOperator());
  
          SQLIdentifierExpr left = (SQLIdentifierExpr) binaryOpExpr.getLeft();
          SQLIntegerExpr right = (SQLIntegerExpr) binaryOpExpr.getRight();
  
          Assert.assertEquals("AGE", left.getName());
          Assert.assertEquals(5, right.getNumber().intValue());
      }
  }
  