| /** |
| * 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 org.apache.commons.lang.SystemUtils; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.junit.Assert; |
| import org.junit.Assume; |
| import org.junit.Test; |
| |
| public class TestSignalLogger { |
| public static final Log LOG = LogFactory.getLog(TestSignalLogger.class); |
| |
| @Test(timeout=60000) |
| public void testInstall() throws Exception { |
| Assume.assumeTrue(SystemUtils.IS_OS_UNIX); |
| SignalLogger.INSTANCE.register(LOG); |
| try { |
| SignalLogger.INSTANCE.register(LOG); |
| Assert.fail("expected IllegalStateException from double registration"); |
| } catch (IllegalStateException e) { |
| // fall through |
| } |
| } |
| } |