/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.util;
import junit.framework.TestCase;
import org.apache.hadoop.util.ExitUtil.ExitException;
import org.junit.Test;
public class TestNativeLibraryChecker extends TestCase {
private void expectExit(String [] args) {
try {
// should throw exit exception
NativeLibraryChecker.main(args);
fail("should call exit");
} catch (ExitException e) {
// pass
ExitUtil.resetFirstExitException();
}
}
@Test
public void testNativeLibraryChecker() {
ExitUtil.disableSystemExit();
// help should return normally
NativeLibraryChecker.main(new String[] {"-h"});
// illegal argmuments should exit
expectExit(new String[] {"-a", "-h"});
expectExit(new String[] {"aaa"});
if (NativeCodeLoader.isNativeCodeLoaded()) {
// no argument should return normally
NativeLibraryChecker.main(new String[0]);
} else {
// no argument should exit
expectExit(new String[0]);
}
}
}