/*
* TestBigDecimals.java
*
* Created on October 9, 2006, 6:07 PM
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
/*
* 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
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*/
package org.apache.openjpa.persistence.kernel;
import java.math.BigDecimal;
import org.apache.openjpa.persistence.kernel.common.apps.AllFieldTypesTest;
import junit.framework.AssertionFailedError;
import org.apache.openjpa.persistence.OpenJPAEntityManager;
public class TestBigDecimals extends BaseKernelTest {
/**
* Creates a new instance of TestBigDecimals
*/
public TestBigDecimals() {
}
public TestBigDecimals(String name) {
super(name);
}
public void testBigDecimalDataIntegrity()
throws Exception {
try {
BigDecimal bd = new BigDecimal(Math.random() * 10000000 + "");
bd = bd.setScale(100);
for (int i = 0; i < 50; i++) {
bd = bd.movePointLeft(1);
bigDecimalTest(bd);
}
}
catch (AssertionFailedError e) {
bug(3, e, "Precision loss for BigDecimals");
}
}
// FixMe aokeke: Passes but takes a long time --commenting for resource sake
// public void testBigBigDecimals()
// throws Exception {
// try {
// BigDecimal bd = new BigDecimal("1234567890."
// + "12345678901234567890123456789012345678901234567890"
// + "12345678901234567890123456789012345678901234567890");
//
// bigDecimalTest(bd);
// } catch (AssertionFailedError e) {
// bug(3, e, "Precision loss for BigDecimals");
// }
// }
public void bigDecimalTest(final BigDecimal bd) {
OpenJPAEntityManager pm = null, pm2 = null;
try {
pm = getPM();
startTx(pm);
AllFieldTypesTest aftt = new AllFieldTypesTest();
aftt.setTestBigDecimal(bd);
pm.persist(aftt);
endTx(pm);
Object id = pm.getObjectId(aftt);
pm.evict(aftt);
pm2 = getPM();
startTx(pm);
AllFieldTypesTest aftt2 = (AllFieldTypesTest) pm2.getObjectId(id);
// why wouldn't they be two different objects?
assertTrue("identitcal field values",
bd != aftt2.getTestBigDecimal());
// this should always succeed
assertEquals(bd,
aftt2.getTestBigDecimal().setScale(bd.scale()));
// this will fail if we are losing scale
assertEquals(bd, aftt2.getTestBigDecimal());
rollbackTx(pm);
} catch (Throwable afe) {
bug(3, afe, "floating point precision loss");
} finally {
if (pm != null) {
//if (pm.getTransaction().isActive())
//rollbackTx(pm,());
endEm(pm);
}
if (pm2 != null) {
//if (pm2.getTransaction().isActive())
//rollbackTx(pm2,());
//pm2.close();
endEm(pm2);
}
}
}
}