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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/awt/geom/AffineTransform/EqualsAndHashCode.java Normal file
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/*
* Copyright (c) 2022, 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
* @summary Tests that equals(Object) is consistent with hashCode(),
* in particular regarding negative versus positive zeros and
* NaN values.
*/
import java.awt.geom.AffineTransform;
public class EqualsAndHashCode {
private static boolean failed;
public static void main(String arg[]) {
checkReflexiveEquals();
checkZeros();
checkNotEqual();
if (failed) {
throw new RuntimeException("Some tests failed.");
}
}
private static void checkReflexiveEquals() {
AffineTransform t = new AffineTransform(1, 0, 0, 1, Double.NaN, 0);
if (!t.equals(t)) {
System.err.println("Transform should be equal to itself.");
failed = true;
}
if (!t.equals(t.clone())) {
System.err.println("Transform should be equal to its clone.");
failed = true;
}
}
private static void checkZeros() {
AffineTransform positive = new AffineTransform(2, 0, 0, 3, 0, +0.0);
AffineTransform negative = new AffineTransform(2, 0, 0, 3, 0, -0.0);
if (!positive.equals(negative)) {
System.err.println("Transforms should be equal despite the sign difference in zero values.");
failed = true;
} else if (positive.hashCode() != negative.hashCode()) {
System.err.println("Equal transforms should have the same hash code value.");
failed = true;
}
}
private static void checkNotEqual() {
AffineTransform t1 = new AffineTransform(2, 0, 0, 3, 2, 0);
AffineTransform t2 = new AffineTransform(2, 0, 0, 3, 2, 4);
if (t1.equals(t2)) {
System.err.println("Expected non-equal transforms.");
failed = true;
}
if (t1.hashCode() == t2.hashCode()) {
System.err.println("Expected different hash codes.");
failed = true;
}
}
}