/*
* Copyright 2004-2015 the Seasar Foundation and the Others.
*
* Licensed 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.seasar.framework.util;
import java.sql.Driver;
import java.sql.DriverManager;
import java.util.Enumeration;
import junit.framework.TestCase;
/**
* @author koichik
*
*/
public class DisposableUtilTest extends TestCase {
private int count;
protected void setUp() throws Exception {
DisposableUtil.dispose();
}
/**
* @throws Exception
*/
public void test1() throws Exception {
DisposableUtil.add(new TestDisposable());
assertEquals(1, DisposableUtil.disposables.size());
DisposableUtil.dispose();
assertEquals(1, count);
assertEquals(0, DisposableUtil.disposables.size());
}
/**
* @throws Exception
*/
public void test2() throws Exception {
DisposableUtil.add(new TestDisposable());
DisposableUtil.add(new TestDisposable());
assertEquals(2, DisposableUtil.disposables.size());
DisposableUtil.dispose();
assertEquals(2, count);
assertEquals(0, DisposableUtil.disposables.size());
}
/**
* @throws Exception
*/
public void test3() throws Exception {
DisposableUtil.add(new TestDisposable());
DisposableUtil.add(new TestDisposable2());
DisposableUtil.add(new TestDisposable());
assertEquals(3, DisposableUtil.disposables.size());
DisposableUtil.dispose();
assertEquals(3, count);
assertEquals(0, DisposableUtil.disposables.size());
}
/**
*
*/
public class TestDisposable implements Disposable {
public void dispose() {
++count;
}
}
/**
*
*/
public class TestDisposable2 implements Disposable {
public void dispose() {
++count;
throw new RuntimeException();
}
}
/**
* @throws Exception
*/
public void deregisterAllDriversTest() throws Exception {
Class clazz = Class.forName("org.hsqldb.jdbcDriver");
Driver d = (Driver) clazz.newInstance();
DriverManager.registerDriver(d);
int i = 0;
for (Enumeration e = DriverManager.getDrivers(); e.hasMoreElements(); i++) {
e.nextElement();
}
assertEquals(2, i);
DisposableUtil.deregisterAllDrivers();
int j = 0;
for (Enumeration e = DriverManager.getDrivers(); e.hasMoreElements(); j++) {
e.nextElement();
}
assertEquals(0, j);
}
}