/*
* Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/*
* @test
* @bug 6267067 6351336 6389198
* @summary unit test for javac List
*/
import java.util.*;
import com.sun.tools.javac.util.List;
public class TList {
public static void main(String[] args) {
new TList().run();
}
String[][] data = {
{ },
{ "1" },
{ "1", "2" },
{ "1", "2" }, // different but equal
{ "1", "2", "3", "4", "X", "X", "X", "8", "9", "10" } // contains duplicates
};
Map<java.util.List<String>,List<String>> examples;
void run() {
examples = new LinkedHashMap<java.util.List<String>,List<String>>();
for (String[] values: data)
examples.put(Arrays.asList(values), createList(values));
// 6351336: com.sun.tools.javac.util.List shouldn't extend java.util.AbstractList
test_AbstractList();
// general unit tests for java.util.List methods, including...
// 6389198: com.sun.tools.javac.util.List.equals() violates java.util.List.equals() contract
test_add_E();
test_add_int_E();
test_addAll_Collection();
test_addAll_int_Collection();
test_clear();
test_contains_Object();
test_contains_All();
test_equals_Object();
test_get_int();
test_hashCode();
test_indexOf_Object();
test_isEmpty();
test_iterator();
test_lastIndexOf_Object();
test_listIterator();
test_listIterator_int();
test_remove_int();
test_remove_Object();
test_removeAll_Collection();
test_retainAll_Collection();
test_set_int_E();
test_size();
test_subList_int_int();
test_toArray();
test_toArray_TArray();
// tests for additional methods
test_prependList_List();
test_reverse();
}
// 6351336
void test_AbstractList() {
System.err.println("test AbstractList");
if (AbstractList.class.isAssignableFrom(List.class))
throw new AssertionError();
}
void test_add_E() {
System.err.println("test add(E)");
for (List<String> l: examples.values()) {
try {
l.add("test");
throw new AssertionError();
} catch (UnsupportedOperationException ex) {
}
}
}
void test_add_int_E() {
System.err.println("test add(int,E)");
for (List<String> l: examples.values()) {
try {
l.add(0, "test");
throw new AssertionError();
} catch (UnsupportedOperationException ex) {
}
}
}
void test_addAll_Collection() {
System.err.println("test addAll(Collection)");
for (List<String> l: examples.values()) {
int l_size = l.size();
for (java.util.List<String> arg: examples.keySet()) {
try {
boolean modified = l.addAll(arg);
if (modified)
throw new AssertionError();
} catch (UnsupportedOperationException e) {
}
if (l.size() != l_size)
throw new AssertionError();
}
}
}
void test_addAll_int_Collection() {
System.err.println("test addAll(int,Collection)");
for (List<String> l: examples.values()) {
int l_size = l.size();
for (java.util.List<String> arg: examples.keySet()) {
try {
boolean modified = l.addAll(0, arg);
if (modified)
throw new AssertionError();
} catch (UnsupportedOperationException e) {
}
if (l.size() != l_size)
throw new AssertionError();
}
}
}
void test_clear() {
System.err.println("test clear()");
for (List<String> l: examples.values()) {
int l_size = l.size();
try {
l.clear();
if (l_size > 0)
throw new AssertionError();
} catch (UnsupportedOperationException e) {
}
if (l.size() != l_size)
throw new AssertionError();
}
}
void test_contains_Object() {
System.err.println("test contains(Object)");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
boolean expect = ref.contains("1");
boolean found = l.contains("1");
if (expect != found)
throw new AssertionError();
}
}
void test_contains_All() {
System.err.println("test containsAll()");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
for (java.util.List<String> arg: examples.keySet()) {
boolean expect = ref.containsAll(arg);
boolean found = l.containsAll(arg);
if (expect != found)
throw new AssertionError();
}
}
}
// 6389198
void test_equals_Object() {
System.err.println("test equals(Object)");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
for (java.util.List<String> arg: examples.keySet()) {
boolean expect = ref.equals(arg);
boolean found = l.equals(arg);
if (expect != found) {
System.err.println("ref: " + ref);
System.err.println("l: " + l);
System.err.println("arg: " + arg);
System.err.println("expect: " + expect + ", found: " + found);
throw new AssertionError();
}
}
}
}
void test_get_int() {
System.err.println("test get(int)");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
for (int i = -1; i <= ref.size(); i++) {
boolean expectException = i < 0 || i >= ref.size();
String expectValue = (expectException ? null : ref.get(i));
try {
String foundValue = l.get(i);
if (expectException || !equal(expectValue, foundValue))
throw new AssertionError();
} catch (IndexOutOfBoundsException ex) {
if (!expectException)
throw new AssertionError();
}
}
}
}
void test_hashCode() {
System.err.println("test hashCode()");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
long expect = ref.hashCode();
long found = l.hashCode();
if (expect != found) {
System.err.println("ref: " + ref);
System.err.println("l: " + l);
System.err.println("expect: " + expect);
System.err.println("found: " + found);
throw new AssertionError();
}
}
}
void test_indexOf_Object() {
System.err.println("test indexOf(Object)");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
for (int i = -1; i < ref.size(); i++) {
String arg = (i == -1 ? "NOT IN LIST" : ref.get(i));
int expect = ref.indexOf(arg);
int found = l.indexOf(arg);
if (expect != found)
throw new AssertionError();
}
}
}
void test_isEmpty() {
System.err.println("test isEmpty()");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
boolean expect = ref.isEmpty();
boolean found = l.isEmpty();
if (expect != found)
throw new AssertionError();
}
}
void test_iterator() {
System.err.println("test iterator()");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
if (!equal(l.iterator(), ref.iterator()))
throw new AssertionError();
}
}
void test_lastIndexOf_Object() {
System.err.println("test lastIndexOf(Object)");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
for (int i = -1; i < ref.size(); i++) {
String arg = (i == -1 ? "NOT IN LIST" : ref.get(i));
int expect = ref.lastIndexOf(arg);
int found = l.lastIndexOf(arg);
if (expect != found)
throw new AssertionError();
}
}
}
void test_listIterator() {
System.err.println("test listIterator()");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
if (!equal(l.listIterator(), ref.listIterator()))
throw new AssertionError();
}
}
void test_listIterator_int() {
System.err.println("test listIterator(int)");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
for (int i = 0; i < ref.size(); i++) {
if (!equal(l.listIterator(i), ref.listIterator(i)))
throw new AssertionError();
}
}
}
void test_remove_int() {
System.err.println("test remove(int)");
for (List<String> l: examples.values()) {
try {
l.remove(0);
throw new AssertionError();
} catch (UnsupportedOperationException ex) {
}
}
}
void test_remove_Object() {
System.err.println("test remove(Object)");
for (List<String> l: examples.values()) {
boolean hasX = l.contains("X");
try {
l.remove("X");
if (hasX)
throw new AssertionError();
} catch (UnsupportedOperationException ex) {
}
}
}
void test_removeAll_Collection() {
System.err.println("test removeAll(Collection)");
for (List<String> l: examples.values()) {
int l_size = l.size();
for (java.util.List<String> arg: examples.keySet()) {
try {
boolean modified = l.removeAll(arg);
if (modified)
throw new AssertionError();
} catch (UnsupportedOperationException e) {
}
if (l.size() != l_size)
throw new AssertionError();
}
}
}
void test_retainAll_Collection() {
System.err.println("test retainAll(Collection)");
for (List<String> l: examples.values()) {
int l_size = l.size();
for (java.util.List<String> arg: examples.keySet()) {
try {
boolean modified = l.retainAll(arg);
if (modified)
throw new AssertionError();
} catch (UnsupportedOperationException e) {
}
if (l.size() != l_size)
throw new AssertionError();
}
}
}
void test_set_int_E() {
System.err.println("test set(int,E)");
for (List<String> l: examples.values()) {
try {
l.set(0, "X");
throw new AssertionError();
} catch (UnsupportedOperationException ex) {
}
}
}
void test_size() {
System.err.println("test size()");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
int expect = ref.size();
int found = l.size();
if (expect != found)
throw new AssertionError();
}
}
void test_subList_int_int() {
System.err.println("test subList(int,int)");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
for (int lwb = 0; lwb < ref.size(); lwb++) {
for (int upb = lwb; upb <= ref.size(); upb++) {
if (!equal(l.subList(lwb, upb), ref.subList(lwb,upb)))
throw new AssertionError();
}
}
}
}
void test_toArray() {
System.err.println("test toArray()");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
if (!equal(l.toArray(), ref.toArray()))
throw new AssertionError();
}
}
void test_toArray_TArray() {
System.err.println("test toArray(E[])");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
if (!equal(l.toArray(new String[0]), ref.toArray(new String[0])))
throw new AssertionError();
}
}
void test_prependList_List() {
System.err.println("test prependList(List<E>)");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
for (Map.Entry<java.util.List<String>, List<String>> arg_e: examples.entrySet()) {
java.util.List<String> arg_ref = arg_e.getKey();
List<String> arg = arg_e.getValue();
java.util.List<String> expect = join(arg, ref);
List<String> found = l.prependList(arg);
// verify results, and that original and arg lists are unchanged
if (!equal(expect, found)) {
System.err.println("ref: " + ref);
System.err.println("l: " + l);
System.err.println("arg: " + arg);
System.err.println("expect: " + expect);
System.err.println("found: " + found);
throw new AssertionError();
}
if (!equal(l, ref))
throw new AssertionError();
if (!equal(arg, arg_ref))
throw new AssertionError();
}
}
}
void test_reverse() {
System.err.println("test reverse()");
for (Map.Entry<java.util.List<String>,List<String>> e: examples.entrySet()) {
java.util.List<String> ref = e.getKey();
List<String> l = e.getValue();
java.util.List<String> expect = reverse(ref);
List<String> found = l.reverse();
if (l.size() < 2 && found != l) // reverse of empty or singleton list is itself
throw new AssertionError();
if (!equal(l, ref)) // orginal should be unchanged
throw new AssertionError();
if (!equal(expect, found))
throw new AssertionError();
}
}
static <T> com.sun.tools.javac.util.List<T> createList(List<T> d) {
com.sun.tools.javac.util.List<T> l = com.sun.tools.javac.util.List.nil();
for (ListIterator<T> iter = d.listIterator(d.size()); iter.hasPrevious(); )
l = l.prepend(iter.previous());
return l;
}
static <T> com.sun.tools.javac.util.List<T> createList(T... d) {
com.sun.tools.javac.util.List<T> l = com.sun.tools.javac.util.List.nil();
for (int i = d.length - 1; i >= 0; i--)
l = l.prepend(d[i]);
return l;
}
static <T> boolean equal(T t1, T t2) {
return (t1 == null ? t2 == null : t1.equals(t2));
}
static <T> boolean equal(Iterator<T> iter1, Iterator<T> iter2) {
if (iter1 == null || iter2 == null)
return (iter1 == iter2);
while (iter1.hasNext() && iter2.hasNext()) {
if (!equal(iter1.next(), iter2.next()))
return false;
}
return (!iter1.hasNext() && !iter2.hasNext());
}
static <T> boolean equal(ListIterator<T> iter1, ListIterator<T> iter2) {
if (iter1 == null || iter2 == null)
return (iter1 == iter2);
if (iter1.previousIndex() != iter2.previousIndex())
return false;
while (iter1.hasPrevious() && iter2.hasPrevious()) {
iter1.previous();
iter2.previous();
}
return equal((Iterator<T>) iter1, (Iterator<T>) iter2);
}
static <T> boolean equal(T[] a1, T[] a2) {
if (a1 == null || a2 == null)
return (a1 == a2);
if (a1.length != a2.length)
return false;
for (int i = 0; i < a1.length; i++) {
if (!equal(a1[i], a2[i]))
return false;
}
return true;
}
static <T> java.util.List<T> join(java.util.List<T>... lists) {
java.util.List<T> r = new ArrayList<T>();
for (java.util.List<T> l: lists)
r.addAll(l);
return r;
}
static <T> java.util.List<T> reverse(java.util.List<T> l) {
java.util.List<T> r = new ArrayList<T>(l.size());
for (T t: l)
r.add(0, t);
return r;
}
}