| /* |
| |
| Derby - Class org.apache.derbyTesting.functionTests.tests.jdbcapi.PrepStmtNullTest |
| |
| 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.jdbcapi; |
| |
| import java.sql.Connection; |
| import java.sql.PreparedStatement; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| import java.sql.Statement; |
| import java.sql.Types; |
| import junit.framework.Test; |
| import org.apache.derbyTesting.junit.BaseJDBCTestCase; |
| import org.apache.derbyTesting.junit.BaseTestSuite; |
| import org.apache.derbyTesting.junit.CleanDatabaseTestSetup; |
| import org.apache.derbyTesting.junit.JDBC; |
| import org.apache.derbyTesting.junit.TestConfiguration; |
| |
| /** |
| * Tests setting parameters to SQL NULL |
| * This test converts the old jdbcapi/prepStmtNull.java |
| * test to JUnit. |
| */ |
| |
| public class PrepStmtNullTest extends BaseJDBCTestCase { |
| |
| /** |
| * Create a test with the given name. |
| * |
| * @param name name of the test. |
| */ |
| |
| public PrepStmtNullTest(String name) { |
| super(name); |
| } |
| |
| /** |
| * Create suite containing client and embedded tests and to run |
| * all tests in this class |
| */ |
| public static Test suite() { |
| BaseTestSuite suite = new BaseTestSuite("PrepStmtNullTest"); |
| suite.addTest(baseSuite("PrepStmtNullTest:embedded")); |
| suite.addTest( |
| TestConfiguration.clientServerDecorator( |
| baseSuite("PrepStmtNullTest:client"))); |
| return suite; |
| } |
| |
| private static Test baseSuite(String name) { |
| BaseTestSuite suite = new BaseTestSuite(name); |
| |
| suite.addTestSuite(PrepStmtNullTest.class); |
| |
| return new CleanDatabaseTestSetup(suite) { |
| /** |
| * Creates the tables used in the test |
| * cases. |
| * |
| * @exception SQLException if a database error occurs |
| */ |
| protected void decorateSQL(Statement stmt) throws SQLException { |
| |
| /** |
| * Creates the table used in the test cases. |
| * |
| */ |
| stmt.execute("create table nullTS(name varchar(10), ts timestamp)"); |
| stmt.executeUpdate("create table nullBlob(name varchar(10), bval blob(16K))"); |
| stmt.executeUpdate("create table ClobBlob(cval clob, bval blob(16K))"); |
| } |
| }; |
| } |
| |
| /** |
| * Testing a Null Timestamp |
| * |
| * @exception SQLException if error occurs |
| */ |
| public void testNullTimeStamp() throws SQLException { |
| |
| Connection conn = getConnection(); |
| |
| conn.setAutoCommit(false); |
| |
| PreparedStatement pStmt = prepareStatement("insert into nullTS values (?,?)"); |
| |
| pStmt.setString(1,"work"); |
| pStmt.setNull(2,java.sql.Types.TIMESTAMP); |
| pStmt.addBatch(); |
| pStmt.setString(1,"work1"); |
| pStmt.setNull(2,java.sql.Types.TIMESTAMP,""); |
| pStmt.addBatch(); |
| |
| pStmt.executeBatch(); |
| pStmt.close(); |
| commit(); |
| |
| Statement stmt1 = createStatement(); |
| ResultSet rs = stmt1.executeQuery("select * from nullTS"); |
| String [][] expectedRows = new String[][] { { "work", null }, |
| { "work1", null } }; |
| JDBC.assertFullResultSet(rs, expectedRows); |
| commit(); |
| conn.close(); |
| } |
| /** |
| * Testing a Null Blob |
| * |
| * @exception SQLException if error occurs |
| */ |
| public void testNullBlob() throws SQLException { |
| |
| Connection con = getConnection(); |
| |
| con.setAutoCommit(false); |
| |
| PreparedStatement pStmt = con.prepareStatement("insert into nullBlob values (?,?)"); |
| |
| pStmt.setString(1,"blob"); |
| pStmt.setNull(2,java.sql.Types.BLOB); |
| pStmt.addBatch(); |
| pStmt.setString(1,"blob1"); |
| pStmt.setNull(2,java.sql.Types.BLOB,""); |
| pStmt.addBatch(); |
| |
| pStmt.executeBatch(); |
| pStmt.close(); |
| commit(); |
| |
| Statement stmt1 = con.createStatement(); |
| ResultSet rs = stmt1.executeQuery("select * from nullBlob"); |
| String [][] expectedRows = new String[][] { { "blob", null }, |
| { "blob1", null } }; |
| JDBC.assertFullResultSet(rs, expectedRows); |
| stmt1.close(); |
| commit(); |
| con.close(); |
| } |
| /** |
| * Test setNull() on Clob/Blob using Varchar/binary types |
| * |
| * @exception SQLException if error occurs |
| */ |
| public void testNullClobBlob() throws SQLException { |
| |
| byte[] b2 = new byte[1]; |
| b2[0] = (byte)64; |
| |
| PreparedStatement pStmt = prepareStatement("insert into ClobBlob values (?,?)"); |
| |
| pStmt.setNull(1, Types.VARCHAR); |
| pStmt.setBytes(2, b2); |
| pStmt.execute(); |
| pStmt.setNull(1, Types.VARCHAR,""); |
| pStmt.setBytes(2, b2); |
| pStmt.execute(); |
| pStmt.close(); |
| |
| Statement stmt1 = createStatement(); |
| ResultSet rs = stmt1.executeQuery("select * from ClobBlob"); |
| String [][] expectedRows = new String[][] { { null, bytesToString(b2) }, |
| { null, bytesToString(b2) } }; |
| JDBC.assertFullResultSet(rs, expectedRows); |
| rs.close(); |
| |
| stmt1.close(); |
| } |
| /** |
| * Helper method to convert byte array to String |
| * |
| */ |
| private String bytesToString(byte[] ba) { |
| if (ba == null) return null; |
| StringBuffer s = new StringBuffer(); |
| for (int i = 0; i < ba.length; ++i) { |
| s.append(Integer.toHexString(ba[i] & 0x00ff)); |
| } |
| return s.toString(); |
| } |
| } |