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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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59
test/jdk/java/io/File/HashCodeEquals.java Normal file
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/*
* Copyright (c) 1998, 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 4141318
@summary Check that equal File instances have identical hash codes
*/
import java.io.File;
public class HashCodeEquals {
static void test(String fn1, String fn2) throws Exception {
File f1 = new File(fn1);
File f2 = new File(fn2);
if (!f1.equals(f2))
throw new Exception("Instances with equal paths are not equal");
int h1 = f1.hashCode();
int h2 = f2.hashCode();
if (h1 != h2)
throw new Exception("Hashcodes of equal instances are not equal");
}
static void testWin32() throws Exception {
test("a:/foo/bar/baz", "a:/foo/bar/baz");
test("A:/Foo/Bar/BAZ", "a:/foo/bar/baz");
}
static void testUnix() throws Exception {
test("foo/bar/baz", "foo/bar/baz");
}
public static void main(String[] args) throws Exception {
if (File.separatorChar == '\\') testWin32();
if (File.separatorChar == '/') testUnix();
}
}