/*
Derby - Class org.apache.derby.impl.jdbc.BiggerTemporaryClobTest
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.derby.impl.jdbc;
import org.apache.derbyTesting.functionTests.util.streams.CharAlphabet;
import org.apache.derbyTesting.functionTests.util.streams.LoopingAlphabetReader;
import junit.framework.Test;
import junit.framework.TestSuite;
/**
* Test basic operations on a read-wrote Clob that is kept on disk.
*/
public class BiggerTemporaryClobTest
extends InternalClobTest {
private static final long CLOBLENGTH = 287*1024-115; //~287 KB
private static final long BYTES_PER_CHAR = 3; // Only Tamil characters.
public BiggerTemporaryClobTest(String name) {
super(name);
}
/**
* Creates a bigger read-write Clob that is being kept on disk due to its
* size.
*/
public void setUp()
throws Exception {
super.initialCharLength = CLOBLENGTH;
super.initialByteLength = CLOBLENGTH *3; // Only Tamil characters.
super.bytesPerChar = BYTES_PER_CHAR;
EmbedStatement embStmt = (EmbedStatement)createStatement();
EmbedConnection embCon =(EmbedConnection)getConnection();
iClob = new TemporaryClob(embCon.getDBName(), embStmt);
transferData(
new LoopingAlphabetReader(CLOBLENGTH, CharAlphabet.cjkSubset()),
iClob.getWriter(1L),
CLOBLENGTH);
assertEquals(CLOBLENGTH, iClob.getCharLength());
}
public void tearDown()
throws Exception {
this.iClob.release();
this.iClob = null;
super.tearDown();
}
public static Test suite()
throws Exception {
Class theClass = BiggerTemporaryClobTest.class;
TestSuite suite = new TestSuite(theClass, "BiggerTemporaryClobTest suite");
suite.addTest(addModifyingTests(theClass));
return suite;
}
} // End class BiggerTemporaryClobTest