JNANativesTests.java example

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 * 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,
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package org.elasticsearch.bootstrap;

import org.apache.lucene.util.Constants;
import org.elasticsearch.test.ESTestCase;

import static org.hamcrest.Matchers.equalTo;

public class JNANativesTests extends ESTestCase {
    public void testMlockall() {
        if (Constants.MAC_OS_X) {
            assertFalse("Memory locking is not available on OS X platforms", JNANatives.LOCAL_MLOCKALL);
        }
    }

    public void testConsoleCtrlHandler() {
        if (Constants.WINDOWS) {
            assertNotNull(JNAKernel32Library.getInstance());
            assertThat(JNAKernel32Library.getInstance().getCallbacks().size(), equalTo(1));
        } else {
            assertNotNull(JNAKernel32Library.getInstance());
            assertThat(JNAKernel32Library.getInstance().getCallbacks().size(), equalTo(0));
        }
    }
}