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.filter.wall;
  
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.wall.spi.WallVisitorUtils;
  import junit.framework.TestCase;
  
  public class CountTest extends TestCase {
      public void test_isTrue() throws Exception {
          assertEquals(Boolean.TRUE, WallVisitorUtils.getValue(SQLUtils.toSQLExpr("(select count(*) from t) > 0")));
          assertEquals(Boolean.TRUE,
                  WallVisitorUtils.getValue(SQLUtils.toSQLExpr("(select count(*) from t) >= 0")));
          assertEquals(Boolean.FALSE,
                  WallVisitorUtils.getValue(SQLUtils.toSQLExpr("(select count(*) from t) < 0")));
          assertEquals(Boolean.TRUE,
                  WallVisitorUtils.getValue(SQLUtils.toSQLExpr("NOT (select count(*) from t) < 0")));
  
          //
      }
  }
  