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Commons Collections example source code file (TestLinkedMap.java)
The Commons Collections TestLinkedMap.java 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.collections.map; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.Map; import junit.framework.Test; import junit.textui.TestRunner; import org.apache.commons.collections.BulkTest; import org.apache.commons.collections.MapIterator; import org.apache.commons.collections.OrderedMap; import org.apache.commons.collections.ResettableIterator; import org.apache.commons.collections.list.AbstractTestList; /** * JUnit tests. * * @version $Revision: 646780 $ $Date: 2008-04-10 13:48:07 +0100 (Thu, 10 Apr 2008) $ * * @author Stephen Colebourne */ public class TestLinkedMap extends AbstractTestOrderedMap { public TestLinkedMap(String testName) { super(testName); } public static void main(String[] args) { TestRunner.run(suite()); } public static Test suite() { return BulkTest.makeSuite(TestLinkedMap.class); } public Map makeEmptyMap() { return new LinkedMap(); } public String getCompatibilityVersion() { return "3"; } //----------------------------------------------------------------------- public void testReset() { resetEmpty(); OrderedMap ordered = (OrderedMap) map; ((ResettableIterator) ordered.mapIterator()).reset(); resetFull(); ordered = (OrderedMap) map; List list = new ArrayList(ordered.keySet()); ResettableIterator it = (ResettableIterator) ordered.mapIterator(); assertSame(list.get(0), it.next()); assertSame(list.get(1), it.next()); it.reset(); assertSame(list.get(0), it.next()); } //----------------------------------------------------------------------- public void testInsertionOrder() { if (isPutAddSupported() == false || isPutChangeSupported() == false) return; Object[] keys = getSampleKeys(); Object[] values = getSampleValues(); Iterator it = null; resetEmpty(); map.put(keys[0], values[0]); map.put(keys[1], values[1]); it = map.keySet().iterator(); assertSame(keys[0], it.next()); assertSame(keys[1], it.next()); it = map.values().iterator(); assertSame(values[0], it.next()); assertSame(values[1], it.next()); // no change to order map.put(keys[1], values[1]); it = map.keySet().iterator(); assertSame(keys[0], it.next()); assertSame(keys[1], it.next()); it = map.values().iterator(); assertSame(values[0], it.next()); assertSame(values[1], it.next()); // no change to order map.put(keys[1], values[2]); it = map.keySet().iterator(); assertSame(keys[0], it.next()); assertSame(keys[1], it.next()); it = map.values().iterator(); assertSame(values[0], it.next()); assertSame(values[2], it.next()); // no change to order map.put(keys[0], values[3]); it = map.keySet().iterator(); assertSame(keys[0], it.next()); assertSame(keys[1], it.next()); it = map.values().iterator(); assertSame(values[3], it.next()); assertSame(values[2], it.next()); } //----------------------------------------------------------------------- public void testGetByIndex() { resetEmpty(); LinkedMap lm = (LinkedMap) map; try { lm.get(0); } catch (IndexOutOfBoundsException ex) {} try { lm.get(-1); } catch (IndexOutOfBoundsException ex) {} resetFull(); lm = (LinkedMap) map; try { lm.get(-1); } catch (IndexOutOfBoundsException ex) {} try { lm.get(lm.size()); } catch (IndexOutOfBoundsException ex) {} int i = 0; for (MapIterator it = lm.mapIterator(); it.hasNext(); i++) { assertSame(it.next(), lm.get(i)); } } public void testGetValueByIndex() { resetEmpty(); LinkedMap lm = (LinkedMap) map; try { lm.getValue(0); } catch (IndexOutOfBoundsException ex) {} try { lm.getValue(-1); } catch (IndexOutOfBoundsException ex) {} resetFull(); lm = (LinkedMap) map; try { lm.getValue(-1); } catch (IndexOutOfBoundsException ex) {} try { lm.getValue(lm.size()); } catch (IndexOutOfBoundsException ex) {} int i = 0; for (MapIterator it = lm.mapIterator(); it.hasNext(); i++) { it.next(); assertSame(it.getValue(), lm.getValue(i)); } } public void testIndexOf() { resetEmpty(); LinkedMap lm = (LinkedMap) map; assertEquals(-1, lm.indexOf(getOtherKeys())); resetFull(); lm = (LinkedMap) map; List list = new ArrayList(); for (MapIterator it = lm.mapIterator(); it.hasNext();) { list.add(it.next()); } for (int i = 0; i < list.size(); i++) { assertEquals(i, lm.indexOf(list.get(i))); } } public void testRemoveByIndex() { resetEmpty(); LinkedMap lm = (LinkedMap) map; try { lm.remove(0); } catch (IndexOutOfBoundsException ex) {} try { lm.remove(-1); } catch (IndexOutOfBoundsException ex) {} resetFull(); lm = (LinkedMap) map; try { lm.remove(-1); } catch (IndexOutOfBoundsException ex) {} try { lm.remove(lm.size()); } catch (IndexOutOfBoundsException ex) {} List list = new ArrayList(); for (MapIterator it = lm.mapIterator(); it.hasNext();) { list.add(it.next()); } for (int i = 0; i < list.size(); i++) { Object key = list.get(i); Object value = lm.get(key); assertEquals(value, lm.remove(i)); list.remove(i); assertEquals(false, lm.containsKey(key)); } } public BulkTest bulkTestListView() { return new TestListView(); } public class TestListView extends AbstractTestList { TestListView() { super("TestListView"); } public List makeEmptyList() { return ((LinkedMap) TestLinkedMap.this.makeEmptyMap()).asList(); } public List makeFullList() { return ((LinkedMap) TestLinkedMap.this.makeFullMap()).asList(); } public Object[] getFullElements() { return TestLinkedMap.this.getSampleKeys(); } public boolean isAddSupported() { return false; } public boolean isRemoveSupported() { return false; } public boolean isSetSupported() { return false; } public boolean isNullSupported() { return TestLinkedMap.this.isAllowNullKey(); } public boolean isTestSerialization() { return false; } } public void testClone() { LinkedMap map = new LinkedMap(10); map.put("1", "1"); Map cloned = (Map) map.clone(); assertEquals(map.size(), cloned.size()); assertSame(map.get("1"), cloned.get("1")); } // public void testCreate() throws Exception { // resetEmpty(); // writeExternalFormToDisk((java.io.Serializable) map, "D:/dev/collections/data/test/LinkedMap.emptyCollection.version3.obj"); // resetFull(); // writeExternalFormToDisk((java.io.Serializable) map, "D:/dev/collections/data/test/LinkedMap.fullCollection.version3.obj"); // } } Other Commons Collections examples (source code examples)Here is a short list of links related to this Commons Collections TestLinkedMap.java source code file: |
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