java/testing/org/apache/derbyTesting/functionTests/tests/lang/PrecedenceTest.java

/**
 *  Derby - Class org.apache.derbyTesting.functionTests.tests.lang.PrecedenceTest
 *
 * 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 org.apache.derbyTesting.functionTests.tests.lang;

import java.sql.SQLException;
import java.sql.Statement;

import junit.framework.Test;

import org.apache.derbyTesting.junit.BaseJDBCTestCase;
import org.apache.derbyTesting.junit.JDBC;
import org.apache.derbyTesting.junit.TestConfiguration;

/**
 * Test case for precedence.sql.It tests precedence of operators other than and,
 * or, and not that return boolean.
 */
public class PrecedenceTest extends BaseJDBCTestCase {

    public PrecedenceTest(String name) {
        super(name);
    }
    
    public static Test suite(){
        return TestConfiguration.defaultSuite(PrecedenceTest.class);
    }
    
    public void testPrecedence() throws SQLException{
    	String sql = "create table t1(c11 int)";
    	Statement st = createStatement();
    	st.executeUpdate(sql);
    	
    	sql = "insert into t1 values(1)";
    	assertEquals(1, st.executeUpdate(sql));
    	
    	sql = "select c11 from t1 where 1 in (1,2,3) = (1=1)";
    	JDBC.assertSingleValueResultSet(st.executeQuery(sql), "1");
    	
    	sql = "select c11 from t1 where 'acme widgets' " +
    			"like 'acme%' in ('1=1')";
    	JDBC.assertSingleValueResultSet(st.executeQuery(sql), "1");
    	
    	sql = "select c11 from t1 where 1 between -100 " +
    			"and 100 is not null";
    	JDBC.assertSingleValueResultSet(st.executeQuery(sql), "1");
    	
    	sql = "select c11 from t1 where exists(select *" +
    			" from (values 1) as t) not in ('1=2')";
    	JDBC.assertEmpty(st.executeQuery(sql));
    	
    	st.close();
    }
}