/*
* 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 com.hp.hpl.jena.tdb.base.file;
import static com.hp.hpl.jena.tdb.base.BufferTestLib.sameValue ;
import org.junit.After ;
import org.junit.Before ;
import org.junit.Test ;
import org.openjena.atlas.junit.BaseTest ;
import com.hp.hpl.jena.tdb.base.block.Block ;
public abstract class AbstractTestBlockAccessFixedSize extends BaseTest
{
// Fixed block tests.
int blkSize ;
protected AbstractTestBlockAccessFixedSize(int blkSize)
{
this.blkSize = blkSize ;
}
protected abstract BlockAccess make() ;
protected static Block data(BlockAccess file, int len)
{
Block b = file.allocate(len) ;
for (int i = 0 ; i < len ; i++ )
b.getByteBuffer().put((byte)(i&0xFF)) ;
return b ;
}
private BlockAccess file ;
@Before public void before() { file = make() ; }
@After public void after() { file.close() ; }
@Test public void fileaccess_01()
{
assertTrue(file.isEmpty()) ;
}
@Test public void fileaccess_02()
{
Block b = data(file, blkSize) ;
file.write(b) ;
}
@Test public void fileaccess_03()
{
Block b1 = data(file, blkSize) ;
file.write(b1) ;
long x = b1.getId() ;
Block b9 = file.read(x) ;
assertNotSame(b1, b9) ;
assertTrue(sameValue(b1, b9)) ;
b9 = file.read(x) ;
assertNotSame(b1, b9) ;
assertTrue(sameValue(b1, b9)) ;
}
@Test public void fileaccess_04()
{
Block b1 = data(file, blkSize) ;
Block b2 = data(file, blkSize) ;
file.write(b1) ;
file.write(b2) ;
long x = b1.getId() ;
Block b8 = file.read(b1.getId()) ;
Block b9 = file.read(b1.getId()) ;
assertNotSame(b8, b9) ;
assertTrue(b8.getId() == b9.getId()) ;
}
@Test(expected=FileException.class)
public void fileaccess_05()
{
Block b1 = data(file, 10) ;
Block b2 = data(file, 20) ;
file.write(b1) ;
// Should not work. b2 not written.
Block b2a = file.read(b2.getId()) ;
}
}