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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/nio/charset/spi/CharsetProviderAsModuleTest.java Normal file
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/*
* Copyright (c) 2024, 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 8340404
* @summary Check that a CharsetProvider SPI can be deployed as a module
* @build provider/*
* @run main/othervm CharsetProviderAsModuleTest
*/
import java.nio.charset.Charset;
public class CharsetProviderAsModuleTest {
// Basic test ensures that our BAZ charset is loaded via the BazProvider
public static void main(String[] args) {
var cs = Charset.availableCharsets();
Charset bazCs;
// check provider is providing BAZ via charsets()
if (!cs.containsKey("BAZ")) {
throw new RuntimeException("SPI BazProvider did not provide BAZ Charset");
} else {
bazCs = cs.get("BAZ");
// check provider is in a named module
if (!bazCs.getClass().getModule().isNamed()) {
throw new RuntimeException("BazProvider is not a named module");
}
var aliases = bazCs.aliases();
// check BAZ cs aliases were loaded correctly
if (!aliases.contains("BAZ-1") || !aliases.contains("BAZ-2")) {
throw new RuntimeException("BAZ Charset did not provide correct aliases");
}
// check provider implements charsetForName()
if (!bazCs.equals(Charset.forName("BAZ"))) {
throw new RuntimeException("SPI BazProvider provides bad charsetForName()");
}
}
}
}