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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.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
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test/jdk/java/math/BigDecimal/EqualsTests.java Normal file
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/*
* Copyright (c) 2009, 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 1234567
* @summary Test BigDecimal.equals() method.
* @author xlu
*/
import java.math.*;
import static java.math.BigDecimal.*;
public class EqualsTests {
public static void main(String argv[]) {
int failures = 0;
BigDecimal[][] testValues = {
// The even index is supposed to return true for equals call and
// the odd index is supposed to return false, i.e. not equal.
{ZERO, ZERO},
{ONE, TEN},
{valueOf(Integer.MAX_VALUE), valueOf(Integer.MAX_VALUE)},
{valueOf(Long.MAX_VALUE), valueOf(-Long.MAX_VALUE)},
{valueOf(12345678), valueOf(12345678)},
{valueOf(123456789), valueOf(123456788)},
{new BigDecimal("123456789123456789123"),
new BigDecimal(new BigInteger("123456789123456789123"))},
{new BigDecimal("123456789123456789123"),
new BigDecimal(new BigInteger("123456789123456789124"))},
{valueOf(Long.MIN_VALUE), new BigDecimal("-9223372036854775808")},
{new BigDecimal("9223372036854775808"), valueOf(Long.MAX_VALUE)},
{valueOf(Math.round(Math.pow(2, 10))), new BigDecimal("1024")},
{new BigDecimal("1020"), valueOf(Math.pow(2, 11))},
{new BigDecimal(BigInteger.valueOf(2).pow(65)),
new BigDecimal("36893488147419103232")},
{new BigDecimal("36893488147419103231.81"),
new BigDecimal("36893488147419103231.811"),
}
};
boolean expected = Boolean.TRUE;
for (BigDecimal[] testValuePair : testValues) {
failures += equalsTest(testValuePair[0], testValuePair[1], expected);
expected = !expected;
}
if (failures > 0) {
throw new RuntimeException("Inccured " + failures +
" failures while testing equals.");
}
}
private static int equalsTest(BigDecimal l, BigDecimal r, boolean expected) {
boolean result = l.equals(r);
int failed = (result == expected) ? 0 : 1;
if (failed == 1) {
System.err.println(l + " .equals(" + r + ") => " + result +
"\n\tExpected " + expected);
}
return failed;
}
}