/*
* Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License,
* Version 1.0, and under the Eclipse Public License, Version 1.0
* (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.test.db;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.concurrent.atomic.AtomicInteger;
import org.h2.constant.ErrorCode;
import org.h2.test.TestBase;
import org.h2.util.Task;
/**
* Test for the exclusive mode.
*/
public class TestExclusive extends TestBase {
/**
* Run just this test.
*
* @param a ignored
*/
public static void main(String... a) throws Exception {
TestBase.createCaller().init().test();
}
public void test() throws Exception {
deleteDb("exclusive");
Connection conn = getConnection("exclusive");
Statement stat = conn.createStatement();
stat.execute("set exclusive true");
assertThrows(ErrorCode.DATABASE_IS_IN_EXCLUSIVE_MODE, this).
getConnection("exclusive");
stat.execute("set exclusive false");
Connection conn2 = getConnection("exclusive");
final Statement stat2 = conn2.createStatement();
stat.execute("set exclusive true");
final AtomicInteger state = new AtomicInteger(0);
Task task = new Task() {
public void call() throws SQLException {
stat2.execute("select * from dual");
if (state.get() != 1) {
new Error("unexpected state: " + state.get()).printStackTrace();
}
}
};
task.execute();
state.set(1);
stat.execute("set exclusive false");
task.get();
stat.execute("set exclusive true");
conn.close();
// check that exclusive mode is off when disconnected
stat2.execute("select * from dual");
conn2.close();
deleteDb("exclusive");
}
}