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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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216
test/jdk/java/util/Collection/testlibrary/CollectionAsserts.java Normal file
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/*
* Copyright (c) 2012, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;
/**
* @library
* CollectionAssert -- assertion methods for lambda test cases
*/
public class CollectionAsserts {
private CollectionAsserts() {
// no instances
}
public static void assertCountSum(Iterable<? super Integer> it, int count, int sum) {
assertCountSum(it.iterator(), count, sum);
}
public static void assertCountSum(Iterator<? super Integer> it, int count, int sum) {
int c = 0;
int s = 0;
while (it.hasNext()) {
int i = (Integer) it.next();
c++;
s += i;
}
assertEquals(c, count);
assertEquals(s, sum);
}
public static void assertConcat(Iterator<Character> it, String result) {
StringBuilder sb = new StringBuilder();
while (it.hasNext()) {
sb.append(it.next());
}
assertEquals(result, sb.toString());
}
public static<T extends Comparable<? super T>> void assertSorted(Iterator<T> i) {
if (!i.hasNext())
return;
T last = i.next();
while (i.hasNext()) {
T t = i.next();
assertTrue(last.compareTo(t) <= 0);
assertTrue(t.compareTo(last) >= 0);
last = t;
}
}
public static<T> void assertSorted(Iterator<T> i, Comparator<? super T> comp) {
if (!i.hasNext())
return;
T last = i.next();
while (i.hasNext()) {
T t = i.next();
assertTrue(comp.compare(last, t) <= 0);
assertTrue(comp.compare(t, last) >= 0);
last = t;
}
}
public static<T extends Comparable<? super T>> void assertSorted(Iterable<T> iter) {
assertSorted(iter.iterator());
}
public static<T> void assertSorted(Iterable<T> iter, Comparator<? super T> comp) {
assertSorted(iter.iterator(), comp);
}
public static <T> void assertUnique(Iterable<T> iter) {
assertUnique(iter.iterator());
}
public static<T> void assertUnique(Iterator<T> iter) {
if (!iter.hasNext()) {
return;
}
Set<T> uniq = new HashSet<>();
while (iter.hasNext()) {
T each = iter.next();
assertTrue(!uniq.contains(each));
uniq.add(each);
}
}
public static<T> void assertContents(Iterable<T> actual, Iterable<T> expected) {
assertContents(actual, expected, null);
}
public static<T> void assertContents(Iterable<T> actual, Iterable<T> expected, String msg) {
assertContents(actual.iterator(), expected.iterator(), msg);
}
public static<T> void assertContents(Iterator<T> actual, Iterator<T> expected) {
assertContents(actual, expected, null);
}
public static<T> void assertContents(Iterator<T> actual, Iterator<T> expected, String msg) {
List<T> history = new ArrayList<>();
while (expected.hasNext()) {
if (!actual.hasNext()) {
List<T> expectedData = new ArrayList<>(history);
while (expected.hasNext())
expectedData.add(expected.next());
fail(String.format("%s Premature end of data; expected=%s, found=%s",
(msg == null ? "" : msg), expectedData, history));
}
T a = actual.next();
T e = expected.next();
history.add(a);
if (!Objects.equals(a, e))
fail(String.format("%s Data mismatch; preceding=%s, nextExpected=%s, nextFound=%s",
(msg == null ? "" : msg), history, e, a));
}
if (actual.hasNext()) {
List<T> rest = new ArrayList<>();
while (actual.hasNext())
rest.add(actual.next());
fail(String.format("%s Unexpected data %s after %s",
(msg == null ? "" : msg), rest, history));
}
}
@SafeVarargs
@SuppressWarnings("varargs")
public static<T> void assertContents(Iterator<T> actual, T... expected) {
assertContents(actual, Arrays.asList(expected).iterator());
}
public static<T extends Comparable<? super T>> void assertContentsUnordered(Iterable<T> actual, Iterable<T> expected) {
assertContentsUnordered(actual, expected, null);
}
public static<T extends Comparable<? super T>> void assertContentsUnordered(Iterable<T> actual, Iterable<T> expected, String msg) {
List<T> allExpected = new ArrayList<>();
for (T t : expected) {
allExpected.add(t);
}
for (T t : actual) {
assertTrue(allExpected.remove(t), msg + " element '" + String.valueOf(t) + "' not found");
}
assertTrue(allExpected.isEmpty(), msg + "expected contained additional elements");
}
static <T> void assertSplitContents(Iterable<Iterable<T>> splits, Iterable<T> list) {
Iterator<Iterable<T>> mI = splits.iterator();
Iterator<T> pI = null;
Iterator<T> lI = list.iterator();
while (lI.hasNext()) {
if (pI == null)
pI = mI.next().iterator();
while (!pI.hasNext()) {
if (!mI.hasNext()) {
break;
}
else {
pI = mI.next().iterator();
}
}
assertTrue(pI.hasNext());
T pT = pI.next();
T lT = lI.next();
assertEquals(pT, lT);
}
if (pI != null) {
assertTrue(!pI.hasNext());
}
while (mI.hasNext()) {
pI = mI.next().iterator();
assertTrue(!pI.hasNext());
}
}
}