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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.lucene.util;
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public class TestCloseableThreadLocal extends LuceneTestCase {
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public static final String TEST_VALUE = "initvaluetest";
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public void testInitValue() {
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InitValueThreadLocal tl = new InitValueThreadLocal();
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String str = (String)tl.get();
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assertEquals(TEST_VALUE, str);
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public void testNullValue() throws Exception {
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// Tests that null can be set as a valid value (LUCENE-1805). This
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// previously failed in get().
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CloseableThreadLocal<Object> ctl = new CloseableThreadLocal<Object>();
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assertNull(ctl.get());
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public void testDefaultValueWithoutSetting() throws Exception {
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// LUCENE-1805: make sure default get returns null,
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CloseableThreadLocal<Object> ctl = new CloseableThreadLocal<Object>();
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assertNull(ctl.get());
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public class InitValueThreadLocal extends CloseableThreadLocal<Object> {
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protected Object initialValue() {