Package org.tmatesoft.sqljet.issues._130

Source Code of org.tmatesoft.sqljet.issues._130.IsNullTest

/**
* IsNullTest.java
* Copyright (C) 2009-2010 TMate Software Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* For information on how to redistribute this software under
* the terms of a license other than GNU General Public License
* contact TMate Software at support@sqljet.com
*/
package org.tmatesoft.sqljet.issues._130;


import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.tmatesoft.sqljet.core.AbstractNewDbTest;
import org.tmatesoft.sqljet.core.SqlJetException;
import org.tmatesoft.sqljet.core.SqlJetTransactionMode;
import org.tmatesoft.sqljet.core.schema.SqlJetConflictAction;
import org.tmatesoft.sqljet.core.table.ISqlJetCursor;
import org.tmatesoft.sqljet.core.table.ISqlJetTable;
import org.tmatesoft.sqljet.core.table.ISqlJetTransaction;
import org.tmatesoft.sqljet.core.table.SqlJetDb;

/**
* @author TMate Software Ltd.
* @author Sergey Scherbina (sergey.scherbina@gmail.com)
*
*/
public class IsNullTest extends AbstractNewDbTest {

    public static final String CREATE_TABLE =
        "CREATE TABLE IF NOT EXISTS beans (id INTEGER PRIMARY KEY AUTOINCREMENT, note TEXT)";

    /**
     * @throws java.lang.Exception
     */
    @Before
    public void setUp() throws Exception {
        super.setUp();
        db.createTable(CREATE_TABLE);
    }

    /**
     * @throws java.lang.Exception
     */
    @After
    public void tearDown() throws Exception {
    }

    @Test
    public void testIsNull() throws Exception {
        db.runTransaction(new ISqlJetTransaction() {
            public Object run(SqlJetDb db) throws SqlJetException {
              ISqlJetTable table = db.getTable("beans");
              table.insertOr(SqlJetConflictAction.REPLACE, null, "SOME MESSAGE");
              return true;
            }
          }, SqlJetTransactionMode.WRITE);

         db.runTransaction(new ISqlJetTransaction() {
            public Object run(SqlJetDb db) throws SqlJetException {
              ISqlJetTable table = db.getTable("beans");
              ISqlJetCursor cur = table.lookup(table.getPrimaryKeyIndexName(),1);
              if (!cur.eof()) {
                long v = cur.getInteger(0);
                Assert.assertEquals(1, v);
                boolean isNull = cur.isNull(0); // -> returns true
                Assert.assertFalse(isNull);
              }
              return true;
            }
          }, SqlJetTransactionMode.READ_ONLY);
    }

}
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