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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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69
test/jdk/javax/imageio/EmptyFileTest.java Normal file
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/*
* Copyright (c) 2007, 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 6438508
* @summary Test verifies that ImageIO.write() does not create new
* empty file if requested image format is not supported.
*
* @run main EmptyFileTest
*/
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public class EmptyFileTest {
public static void main(String[] args) throws IOException {
String format = "MY_IMG";
File out = new File("output.myimg");
System.out.printf("File %s: %s\n", out.getAbsolutePath(),
out.exists() ? "EXISTS" : "NEW");
BufferedImage img = createTestImage();
boolean status = false;
try {
status = ImageIO.write(img, format, out);
} catch (IOException e) {
throw new RuntimeException("Test FAILED: unexpected exception", e);
}
if (status) {
throw new RuntimeException("Test FAILED: Format " +
format + " is supported.");
}
if (out.exists()) {
throw new RuntimeException("Test FAILED.");
}
System.out.println("Test PASSED.");
}
private static BufferedImage createTestImage() {
return new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);
}
}