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/*
 * Copyright (c) 2006, 2008 Hyperic, Inc.
 *
 * 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.hyperic.sigar.test;

import java.io.File;
import java.io.FileInputStream;

import org.hyperic.sigar.Sigar;
import org.hyperic.sigar.SigarException;
import org.hyperic.sigar.SigarLoader;
import org.hyperic.sigar.SigarNotImplementedException;
import org.hyperic.sigar.SigarPermissionDeniedException;

public class TestProcFd extends SigarTestCase {

    public TestProcFd(String name) {
        super(name);
    }

    public void testCreate() throws Exception {
        Sigar sigar = getSigar();

        try {
            sigar.getProcFd(getInvalidPid());
        } catch (SigarException e) {
        }

        try {
            long pid = sigar.getPid();

            long total = sigar.getProcFd(pid).getTotal(); 

            SigarLoader loader = new SigarLoader(Sigar.class);
            String path = loader.findJarPath(null);
            File file = new File(path, loader.getJarName());

            traceln("Opening " + file);

            FileInputStream is = new FileInputStream(file);

            assertEqualsTrace("Total", total + 1,
                              sigar.getProcFd(pid).getTotal());

            is.close();

            assertEqualsTrace("Total", total,
                              sigar.getProcFd(pid).getTotal());
        } catch (SigarNotImplementedException e) {
            //ok
        } catch (SigarPermissionDeniedException e) {
            //ok
        }
    }
}