content: /**
   * 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
   * limitations under the License.
   */
  package com.alibaba.wasp.jdbc;
  
  import org.junit.Test;
  
  import java.sql.DriverManager;
  import java.sql.SQLException;
  
  
  /**
   * Tests the wasp jdbc driver.
   */
  public class TestDriver extends TestJdbcBase {
  
    @Test
    public  void testDriverObject() throws Exception {
      Driver instance = Driver.load();
      assertTrue(DriverManager.getDriver("jdbc:wasp:~/test") == instance);
      Driver.unload();
      try {
        java.sql.Driver d = DriverManager.getDriver("jdbc:wasp:~/test");
        fail(d.toString());
      } catch (SQLException e) {
        // ignore
      }
      Driver.load();
      assertTrue(DriverManager.getDriver("jdbc:wasp:~/test") == instance);
    }
  }