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.bvt.sql.mysql;
  
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
  import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor;
  import com.alibaba.druid.sql.parser.SQLStatementParser;
  import junit.framework.TestCase;
  
  import java.util.List;
  
  public class RegularExpressionsTest extends TestCase {
      public void test_0() throws Exception {
          String sql = "SELECT 'Monty!' REGEXP '.*'";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT 'Monty!' REGEXP '.*';", text);
      }
  
      public void test_1() throws Exception {
          String sql = "SELECT 'new*\n*line' REGEXP 'new\\\\*.\\\\*line'";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          String e = "SELECT 'new*\n*line' REGEXP 'new\\*.\\*line';";
  
          assertEquals("SELECT 'new*\n*line' REGEXP 'new\\\\*.\\\\*line';", text);
      }
  
      public void test_2() throws Exception {
          String sql = "SELECT 'a' REGEXP 'A', 'a' REGEXP BINARY 'A'";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT 'a' REGEXP 'A', 'a' REGEXP BINARY 'A';", text);
      }
  
      public void test_3() throws Exception {
          String sql = "SELECT 'a' REGEXP '^[a-d]'";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT 'a' REGEXP '^[a-d]';", text);
      }
  
      public void test_4() throws Exception {
          String sql = "SELECT 'fo\nfo' REGEXP '^fo$'";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT 'fo\nfo' REGEXP '^fo$';", text);
      }
  
      public void test_5() throws Exception {
          String sql = "SELECT 'fofo' REGEXP '^fo'";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT 'fofo' REGEXP '^fo';", text);
      }
  
      public void test_6() throws Exception {
          String sql = "SELECT '~' REGEXP '[[.tilde.]]'";
  
          SQLStatementParser parser = new MySqlStatementParser(sql);
          List<SQLStatement> stmtList = parser.parseStatementList();
  
          String text = output(stmtList);
  
          assertEquals("SELECT '~' REGEXP '[[.tilde.]]';", text);
      }
  
      private String output(List<SQLStatement> stmtList) {
          StringBuilder out = new StringBuilder();
  
          for (SQLStatement stmt : stmtList) {
              stmt.accept(new MySqlOutputVisitor(out));
              out.append(";");
          }
  
          return out.toString();
      }
  }
  