/*
* Copyright 2004-2014 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.test.jdbc;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;
import java.sql.Types;
import org.h2.api.JavaObjectSerializer;
import org.h2.test.TestBase;
import org.h2.util.JdbcUtils;
/**
* Tests {@link JavaObjectSerializer}.
*
* @author Sergi Vladykin
* @author Davide Cavestro
*/
public class TestJavaObjectSerializer extends TestBase {
/**
* Run just this test.
*
* @param a ignored
*/
public static void main(String... a) throws Exception {
TestBase test = createCaller().init();
test.config.traceTest = true;
test.config.memory = true;
test.config.networked = true;
test.config.beforeTest();
test.test();
test.config.afterTest();
}
@Override
public void test() throws Exception {
deleteDb("javaSerializer");
testStaticGlobalSerializer();
testDbLevelJavaObjectSerializer();
deleteDb("javaSerializer");
}
private void testStaticGlobalSerializer() throws Exception {
JdbcUtils.serializer = new JavaObjectSerializer() {
@Override
public byte[] serialize(Object obj) throws Exception {
assertEquals(100500, ((Integer) obj).intValue());
return new byte[] { 1, 2, 3 };
}
@Override
public Object deserialize(byte[] bytes) throws Exception {
assertEquals(new byte[] { 1, 2, 3 }, bytes);
return 100500;
}
};
try {
deleteDb("javaSerializer");
Connection conn = getConnection("javaSerializer");
Statement stat = conn.createStatement();
stat.execute("create table t(id identity, val other)");
PreparedStatement ins = conn.prepareStatement("insert into t(val) values(?)");
ins.setObject(1, 100500, Types.JAVA_OBJECT);
assertEquals(1, ins.executeUpdate());
Statement s = conn.createStatement();
ResultSet rs = s.executeQuery("select val from t");
assertTrue(rs.next());
assertEquals(100500, ((Integer) rs.getObject(1)).intValue());
assertEquals(new byte[] { 1, 2, 3 }, rs.getBytes(1));
conn.close();
deleteDb("javaSerializer");
} finally {
JdbcUtils.serializer = null;
}
}
/**
* Tests per-database serializer when set through the related SET command.
*/
public void testDbLevelJavaObjectSerializer() throws Exception {
DbLevelJavaObjectSerializer.testBaseRef = this;
try {
deleteDb("javaSerializer");
Connection conn = getConnection("javaSerializer");
conn.createStatement().execute("SET JAVA_OBJECT_SERIALIZER '"+
DbLevelJavaObjectSerializer.class.getName()+"'");
Statement stat = conn.createStatement();
stat.execute("create table t1(id identity, val other)");
PreparedStatement ins = conn.prepareStatement("insert into t1(val) values(?)");
ins.setObject(1, 100500, Types.JAVA_OBJECT);
assertEquals(1, ins.executeUpdate());
Statement s = conn.createStatement();
ResultSet rs = s.executeQuery("select val from t1");
assertTrue(rs.next());
assertEquals(100500, ((Integer) rs.getObject(1)).intValue());
assertEquals(new byte[] { 1, 2, 3 }, rs.getBytes(1));
conn.close();
deleteDb("javaSerializer");
} finally {
DbLevelJavaObjectSerializer.testBaseRef = null;
}
}
/**
* The serializer to use for this test.
*/
public static class DbLevelJavaObjectSerializer implements
JavaObjectSerializer {
/**
* The test.
*/
static TestBase testBaseRef;
@Override
public byte[] serialize(Object obj) throws Exception {
testBaseRef.assertEquals(100500, ((Integer) obj).intValue());
return new byte[] { 1, 2, 3 };
}
@Override
public Object deserialize(byte[] bytes) throws Exception {
testBaseRef.assertEquals(new byte[] { 1, 2, 3 }, bytes);
return 100500;
}
}
}