/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @bug 6606598 7024172
* @summary Unit test for java.lang.management.BufferPoolMXBean
*/
public class Basic {
// static fields to ensure buffers aren't GC'ed
// check counters
int minBufferCount,
long minTotalCapacity)
{
int bufferCount = 0;
long totalCap = 0;
long totalMem = 0;
}
if (bufferCount < minBufferCount)
throw new RuntimeException("Count less than expected");
if (totalMem < minTotalCapacity)
throw new RuntimeException("Memory usage less than expected");
if (totalCap < minTotalCapacity)
throw new RuntimeException("Total capacity less than expected");
}
// allocate a few direct buffers
long totalCapacity = 0L;
for (int i=0; i<bufferCount; i++) {
totalCapacity += cap;
}
// create a mapped buffer
bufferCount++;
}
// use platform MXBeans directly
// use MBeanServer
}
// attempt to unmap mapped buffer
do {
}
}