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Java example source code file (StrLookupTest.java)
The StrLookupTest.java Java example source code/* * 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.commons.lang3.text; import static org.junit.Assert.assertEquals; import static org.junit.Assert.fail; import java.util.HashMap; import java.util.Map; import java.util.Properties; import org.junit.Test; /** * Test class for StrLookup. */ public class StrLookupTest { //----------------------------------------------------------------------- @Test public void testNoneLookup() { assertEquals(null, StrLookup.noneLookup().lookup(null)); assertEquals(null, StrLookup.noneLookup().lookup("")); assertEquals(null, StrLookup.noneLookup().lookup("any")); } @Test public void testSystemProperiesLookup() { assertEquals(System.getProperty("os.name"), StrLookup.systemPropertiesLookup().lookup("os.name")); assertEquals(null, StrLookup.systemPropertiesLookup().lookup("")); assertEquals(null, StrLookup.systemPropertiesLookup().lookup("other")); try { StrLookup.systemPropertiesLookup().lookup(null); fail(); } catch (final NullPointerException ex) { // expected } } /** * Tests that a lookup object for system properties can deal with a full * replacement of the system properties object. This test is related to * LANG-1055. */ @Test public void testSystemPropertiesLookupReplacedProperties() { Properties oldProperties = System.getProperties(); final String osName = "os.name"; final String newOsName = oldProperties.getProperty(osName) + "_changed"; StrLookup<String> sysLookup = StrLookup.systemPropertiesLookup(); Properties newProps = new Properties(); newProps.setProperty(osName, newOsName); System.setProperties(newProps); try { assertEquals("Changed properties not detected", newOsName, sysLookup.lookup(osName)); } finally { System.setProperties(oldProperties); } } /** * Tests that a lookup object for system properties sees changes on system * properties. This test is related to LANG-1141. */ @Test public void testSystemPropertiesLookupUpdatedProperty() { final String osName = "os.name"; String oldOs = System.getProperty(osName); final String newOsName = oldOs + "_changed"; StrLookup<String> sysLookup = StrLookup.systemPropertiesLookup(); System.setProperty(osName, newOsName); try { assertEquals("Changed properties not detected", newOsName, sysLookup.lookup(osName)); } finally { System.setProperty(osName, oldOs); } } @Test public void testMapLookup() { final Map<String, Object> map = new HashMap Other Java examples (source code examples)Here is a short list of links related to this Java StrLookupTest.java source code file: |
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