/*
* Copyright 2003-2004 The Apache Software Foundation
*
* Licensed 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.set;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Set;
import java.util.TreeSet;
import junit.framework.Test;
import org.apache.commons.collections.BulkTest;
/**
* Extension of {@link AbstractTestSortedSet} for exercising the
* {@link UnmodifiableSortedSet} implementation.
*
* @since Commons Collections 3.0
* @version $Revision: 1.7 $ $Date: 2004/06/02 22:12:14 $
*
* @author Phil Steitz
*/
public class TestUnmodifiableSortedSet extends AbstractTestSortedSet{
public TestUnmodifiableSortedSet(String testName) {
super(testName);
}
public static Test suite() {
return BulkTest.makeSuite(TestUnmodifiableSortedSet.class);
}
public static void main(String args[]) {
String[] testCaseName = { TestUnmodifiableSortedSet.class.getName()};
junit.textui.TestRunner.main(testCaseName);
}
//-------------------------------------------------------------------
public Set makeEmptySet() {
return UnmodifiableSortedSet.decorate(new TreeSet());
}
public Set makeFullSet() {
TreeSet set = new TreeSet();
set.addAll(Arrays.asList(getFullElements()));
return UnmodifiableSortedSet.decorate(set);
}
public boolean isAddSupported() {
return false;
}
public boolean isRemoveSupported() {
return false;
}
//--------------------------------------------------------------------
protected UnmodifiableSortedSet set = null;
protected ArrayList array = null;
protected void setupSet() {
set = (UnmodifiableSortedSet) makeFullSet();
array = new ArrayList();
array.add(new Integer(1));
}
/**
* Verify that base set and subsets are not modifiable
*/
public void testUnmodifiable() {
setupSet();
verifyUnmodifiable(set);
verifyUnmodifiable(set.headSet(new Integer(1)));
verifyUnmodifiable(set.tailSet(new Integer(1)));
verifyUnmodifiable(set.subSet(new Integer(1), new Integer(3)));
}
/**
* Verifies that a set is not modifiable
*/
public void verifyUnmodifiable(Set set) {
try {
set.add("value");
fail("Expecting UnsupportedOperationException.");
} catch (UnsupportedOperationException e) {
// expected
}
try {
set.addAll(new TreeSet());
fail("Expecting UnsupportedOperationException.");
} catch (UnsupportedOperationException e) {
// expected
}
try {
set.clear();
fail("Expecting UnsupportedOperationException.");
} catch (UnsupportedOperationException e) {
// expected
}
try {
set.remove("x");
fail("Expecting UnsupportedOperationException.");
} catch (UnsupportedOperationException e) {
// expected
}
try {
set.removeAll(array);
fail("Expecting UnsupportedOperationException.");
} catch (UnsupportedOperationException e) {
// expected
}
try {
set.retainAll(array);
fail("Expecting UnsupportedOperationException.");
} catch (UnsupportedOperationException e) {
// expected
}
}
public void testComparator() {
setupSet();
Comparator c = set.comparator();
assertTrue("natural order, so comparator should be null", c == null);
}
public String getCompatibilityVersion() {
return "3.1";
}
// public void testCreate() throws Exception {
// resetEmpty();
// writeExternalFormToDisk((java.io.Serializable) collection, "D:/dev/collections/data/test/UnmodifiableSortedSet.emptyCollection.version3.1.obj");
// resetFull();
// writeExternalFormToDisk((java.io.Serializable) collection, "D:/dev/collections/data/test/UnmodifiableSortedSet.fullCollection.version3.1.obj");
// }
}