/*
* Copyright 2016 higherfrequencytrading.com
*
* 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 net.openhft.affinity.impl;
import org.junit.Assume;
import org.junit.BeforeClass;
import org.junit.Test;
import java.util.BitSet;
import static org.junit.Assert.assertEquals;
/**
* Created by peter on 23/03/16.
*/
public class LinuxJNAAffinityTest {
@BeforeClass
public static void checkJniLibraryPresent() {
Assume.assumeTrue(LinuxJNAAffinity.LOADED);
}
@Test
public void LinuxJNA() {
int nbits = Runtime.getRuntime().availableProcessors();
BitSet affinity0 = LinuxJNAAffinity.INSTANCE.getAffinity();
System.out.println(affinity0);
BitSet affinity = new BitSet(nbits);
affinity.set(1);
LinuxJNAAffinity.INSTANCE.setAffinity(affinity);
BitSet affinity2 = LinuxJNAAffinity.INSTANCE.getAffinity();
System.out.println(affinity2);
assertEquals(1, LinuxJNAAffinity.INSTANCE.getCpu());
assertEquals(affinity, affinity2);
affinity.set(0, nbits);
LinuxJNAAffinity.INSTANCE.setAffinity(affinity);
}
}