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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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test/jdk/java/util/regex/SplitWithDelimitersTest.java Normal file
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/*
* Copyright (c) 2023, 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.
*/
/*
* @test
* @bug 8305486
* @summary Tests to exercise the split functionality added in the issue.
* @run junit SplitWithDelimitersTest
*/
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import java.util.Arrays;
import java.util.regex.Pattern;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.params.provider.Arguments.arguments;
public class SplitWithDelimitersTest {
private static String[] dropOddIndexed(String[] a, int limit) {
String[] r = new String[(a.length + 1) / 2];
for (int i = 0; i < a.length; i += 2) {
r[i / 2] = a[i];
}
int len = r.length;
if (limit == 0) {
/* Also drop trailing empty strings */
for (; len > 0 && r[len - 1].isEmpty(); --len); // empty body
}
return len < r.length ? Arrays.copyOf(r, len) : r;
}
static Arguments[] testSplit() {
return new Arguments[] {
arguments(new String[] {"b", "o", "", "o", ":::and::f", "o", "", "o", ""},
"boo:::and::foo", "o", 5),
arguments(new String[] {"b", "o", "", "o", ":::and::f", "o", "o"},
"boo:::and::foo", "o", 4),
arguments(new String[] {"b", "o", "", "o", ":::and::foo"},
"boo:::and::foo", "o", 3),
arguments(new String[] {"b", "o", "o:::and::foo"},
"boo:::and::foo", "o", 2),
arguments(new String[] {"boo:::and::foo"},
"boo:::and::foo", "o", 1),
arguments(new String[] {"b", "o", "", "o", ":::and::f", "o", "", "o"},
"boo:::and::foo", "o", 0),
arguments(new String[] {"b", "o", "", "o", ":::and::f", "o", "", "o", ""},
"boo:::and::foo", "o", -1),
arguments(new String[] {"boo", ":::", "and", "::", "foo"},
"boo:::and::foo", ":+", 3),
arguments(new String[] {"boo", ":::", "and::foo"},
"boo:::and::foo", ":+", 2),
arguments(new String[] {"boo:::and::foo"},
"boo:::and::foo", ":+", 1),
arguments(new String[] {"boo", ":::", "and", "::", "foo"},
"boo:::and::foo", ":+", 0),
arguments(new String[] {"boo", ":::", "and", "::", "foo"},
"boo:::and::foo", ":+", -1),
arguments(new String[] {"b", "", "b", "", ""},
"bb", "a*|b*", 3),
arguments(new String[] {"b", "", "b"},
"bb", "a*|b*", 2),
arguments(new String[] {"bb"},
"bb", "a*|b*", 1),
arguments(new String[] {"b", "", "b"},
"bb", "a*|b*", 0),
arguments(new String[] {"b", "", "b", "", ""},
"bb", "a*|b*", -1),
arguments(new String[] {"", "bb", "", "", ""},
"bb", "b*|a*", 3),
arguments(new String[] {"", "bb", ""},
"bb", "b*|a*", 2),
arguments(new String[] {"bb"},
"bb", "b*|a*", 1),
arguments(new String[] {"", "bb"},
"bb", "b*|a*", 0),
arguments(new String[] {"", "bb", "", "", ""},
"bb", "b*|a*", -1),
};
}
@ParameterizedTest
@MethodSource
void testSplit(String[] expected, String target, String regex, int limit) {
String[] computedWith = target.splitWithDelimiters(regex, limit);
assertArrayEquals(expected, computedWith);
String[] patComputedWith = Pattern.compile(regex).splitWithDelimiters(target, limit);
assertArrayEquals(computedWith, patComputedWith);
String[] computedWithout = target.split(regex, limit);
assertArrayEquals(dropOddIndexed(expected, limit), computedWithout);
String[] patComputedWithout = Pattern.compile(regex).split(target, limit);
assertArrayEquals(computedWithout, patComputedWithout);
}
}