/*
* 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 tests.api.java.util;
import java.util.AbstractSequentialList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.ListIterator;
import java.util.Vector;
import junit.framework.TestCase;
public class AbstractSequentialListTest extends TestCase {
@Override
protected void setUp() throws Exception {
super.setUp();
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
}
class ASLT<E> extends AbstractSequentialList<E> {
LinkedList<E> l = new LinkedList<E>();
@Override
public ListIterator<E> listIterator(int index) {
return l.listIterator(index);
}
@Override
public int size() {
return l.size();
}
}
/**
* {@link java.util.AbstractSequentialList#addAll(int, java.util.Collection)}
*/
public void test_addAll_ILCollection() {
AbstractSequentialList<String> al = new ASLT<String>();
String[] someList = { "Aardvark" ,
"Bear" ,
"Chimpanzee",
"Duck" };
Collection<String> c = Arrays.asList(someList);
al.addAll(c);
assertTrue("Should return true", al.addAll(2, c));
}
class Mock_unsupportedListIterator implements ListIterator {
public void add(Object o) {
throw new UnsupportedOperationException();
}
public boolean hasNext() {
return true;
}
public boolean hasPrevious() {
return false;
}
public Object next() {
return null;
}
public int nextIndex() {
return 0;
}
public Object previous() {
return null;
}
public int previousIndex() {
return 0;
}
public void remove() {
}
public void set(Object o) {
throw new UnsupportedOperationException();
}
}
class Mock_ListIterator<E> implements ListIterator<E> {
final String wrongElement = "String";
public void add(E o) {
if (o.equals(wrongElement)) throw new IllegalArgumentException();
if (o == null) throw new NullPointerException();
}
public boolean hasNext() {
return false;
}
public boolean hasPrevious() {
return false;
}
public E next() {
return null;
}
public int nextIndex() {
return 0;
}
public E previous() {
return null;
}
public int previousIndex() {
return 0;
}
public void remove() {
}
public void set(E o) {
}
}
public void test_addAllILjava_util_Collection() {
AbstractSequentialList asl = new AbstractSequentialList() {
@Override
public int size() {
return 0;
}
@Override
public ListIterator listIterator(int index) {
return new Mock_unsupportedListIterator();
}
};
Collection strV = new Vector<String>();
strV.add("String");
strV.add("1");
strV.add("3.14");
try {
asl.addAll(0, strV);
fail("UnsupportedOperationException expected.");
} catch (UnsupportedOperationException ee) {
//expected
}
try {
asl.addAll(0, null);
fail("NullPointerException expected");
} catch (NullPointerException ee) {
//expected
}
//ClassCastException can not be checked for this method.
asl = new AbstractSequentialList() {
@Override
public int size() {
return 0;
}
@Override
public ListIterator listIterator(int index) {
return new Mock_ListIterator();
}
};
try {
asl.addAll(0, strV);
fail("IllegalArgumentException expected");
} catch (IllegalArgumentException e) {
//expected
}
strV.remove("String");
strV.add(null);
try {
asl.addAll(0, strV);
fail("NullPointerException expected");
} catch (NullPointerException e) {
//expected
}
strV.remove(null);
asl.addAll(0, strV);
asl = new LinkedList();
try {
asl.addAll(-10, strV);
fail("IndexOutOfBoundsException expected");
} catch (IndexOutOfBoundsException e) {
//expected
}
try {
asl.addAll(1, strV);
fail("IndexOutOfBoundsException expected");
} catch (IndexOutOfBoundsException e) {
//expected
}
}
public void test_addILjava_lang_Object() {
AbstractSequentialList asl = new AbstractSequentialList() {
@Override
public int size() {
return 0;
}
@Override
public ListIterator listIterator(int index) {
return new Mock_unsupportedListIterator();
}
};
try {
asl.add(0, 1);
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException e) {
//expected
}
asl = new AbstractSequentialList() {
@Override
public int size() {
return 0;
}
@Override
public ListIterator listIterator(int index) {
return new Mock_ListIterator();
}
};
try {
asl.add(0, "String");
fail("IllegalArgumentException expected");
} catch (IllegalArgumentException ee) {
//expected
}
try {
asl.add(0, null);
fail("NullPointerException expected");
} catch (NullPointerException ee) {
//expected
}
//ClassCastException can not be checked for this method.
asl.add(0, 1);
asl = new LinkedList();
try {
asl.add(-1, 1);
fail("IndexOutOfBoundsException expected");
} catch (IndexOutOfBoundsException ee) {
//expected
}
asl.add(0, 1);
try {
asl.add(2, 1);
fail("IndexOutOfBoundsException expected");
} catch (IndexOutOfBoundsException ee) {
//expected
}
}
public void test_getI() {
final String buff[] = {"0", "1", "2", "3", "4", "5"};
AbstractSequentialList asl = new AbstractSequentialList() {
int currPos = 0;
@Override
public int size() {
return buff.length;
}
@Override
public ListIterator listIterator(int index) {
currPos = index;
return new ListIterator() {
public void add(Object o) {
}
public boolean hasNext() {
return true;
}
public boolean hasPrevious() {
return false;
}
public Object next() {
return buff[currPos];
}
public int nextIndex() {
return 0;
}
public Object previous() {
return null;
}
public int previousIndex() {
return 0;
}
public void remove() {
}
public void set(Object o) {
}
};
}
};
for (int i = 0; i < buff.length; i++) {
assertEquals(buff[i], asl.get(i));
}
try {
asl.get(asl.size() + 1);
fail("IndexOutOfBoundsException expected");
} catch (IndexOutOfBoundsException e) {
//expected
}
try {
asl.get(-1);
fail("IndexOutOfBoundsException expected");
} catch (IndexOutOfBoundsException e) {
//expected
}
}
public void test_iterrator() {
AbstractSequentialList asl = new AbstractSequentialList() {
@Override
public int size() {
return 0;
}
@Override
public ListIterator listIterator(int index) {
return new Mock_unsupportedListIterator();
}
};
assertTrue(asl.iterator().getClass().toString().contains("Mock_unsupportedListIterator"));
asl = new AbstractSequentialList() {
@Override
public int size() {
return 0;
}
@Override
public ListIterator listIterator(int index) {
return new Mock_ListIterator();
}
};
assertTrue(asl.iterator().getClass().toString().contains("Mock_ListIterator"));
asl = new AbstractSequentialList() {
@Override
public int size() {
return 0;
}
@Override
public ListIterator listIterator(int index) {
return null;
}
};
assertNull(asl.iterator());
}
public void test_removeI() {
AbstractSequentialList asl = new AbstractSequentialList() {
String buff[] = {"0", "1", "2", "3", "4", "5"};
int currPos = 0;
@Override
public int size() {
return buff.length;
}
@Override
public ListIterator listIterator(int index) {
currPos = index;
return new ListIterator() {
public void add(Object o) {
}
public boolean hasNext() {
return true;
}
public boolean hasPrevious() {
return false;
}
public Object next() {
return buff[currPos];
}
public int nextIndex() {
return 0;
}
public Object previous() {
return null;
}
public int previousIndex() {
return 0;
}
public void remove() {
buff[currPos] = "removed element";
}
public void set(Object o) {
}
};
}
};
try {
asl.remove(asl.size() + 1);
fail("IndexOutOfBoundsException expected");
} catch (IndexOutOfBoundsException e) {
//expected
}
try {
asl.remove(-1);
fail("IndexOutOfBoundsException expected");
} catch (IndexOutOfBoundsException e) {
//expected
}
for(int i = 0; i < asl.size(); i++) {
assertFalse(asl.get(i).toString().contains("removed element"));
asl.remove(i);
assertTrue(asl.get(i).toString().contains("removed element"));
}
}
public void test_setILjava_lang_Object() {
AbstractSequentialList asl = new AbstractSequentialList() {
String buff[] = {"0", "1", "2", "3", "4", "5"};
final String illegalStr = "Illegal element";
int currPos = 0;
@Override
public int size() {
return buff.length;
}
@Override
public ListIterator listIterator(int index) {
currPos = index;
return new ListIterator() {
public void add(Object o) {
}
public boolean hasNext() {
return true;
}
public boolean hasPrevious() {
return false;
}
public Object next() {
return buff[currPos];
}
public int nextIndex() {
return 0;
}
public Object previous() {
return null;
}
public int previousIndex() {
return 0;
}
public void remove() {
buff[currPos] = "removed element";
}
public void set(Object o) {
if (o == null) throw new NullPointerException();
if (o.equals(illegalStr)) throw new IllegalArgumentException();
buff[currPos] = (String) o;
}
};
}
};
try {
asl.set(asl.size() + 1, "new element");
fail("IndexOutOfBoundsException expected");
} catch (IndexOutOfBoundsException e) {
//expected
}
try {
asl.set(-1, "new element");
fail("IndexOutOfBoundsException expected");
} catch (IndexOutOfBoundsException e) {
//expected
}
for(int i = 0; i < asl.size(); i++) {
assertFalse(asl.get(i).toString().contains("new element"));
asl.set(i, "new element");
assertTrue(asl.get(i).toString().contains("new element"));
}
try {
asl.set(1, new Double(1));
fail("ClassCastException expected");
} catch (ClassCastException e) {
//
}
try {
asl.set(1, "Illegal element");
fail("IllegalArgumentException expected");
} catch (IllegalArgumentException ee) {
//expected
}
try {
asl.set(1, null);
fail("NullPointerException expected");
} catch (NullPointerException ee) {
//expected
}
asl = new AbstractSequentialList() {
@Override
public int size() {
return 0;
}
@Override
public ListIterator listIterator(int index) {
return new Mock_unsupportedListIterator();
}
};
try {
asl.set(0, "New element");
fail("UnsupportedOperationException expected");
} catch (UnsupportedOperationException e) {
//expected
}
}
}