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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
commit 0a580b313d
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test/jdk/java/awt/image/multiresolution/BaseMultiResolutionImageTest.java Normal file
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/*
* Copyright (c) 2015, 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.
*/
import java.awt.Dimension;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.awt.image.BaseMultiResolutionImage;
import java.awt.image.MultiResolutionImage;
import java.util.List;
/**
* @test
* @bug 8029339
* @author Alexander Scherbatiy
* @summary Custom MultiResolution image support on HiDPI displays
* @run main BaseMultiResolutionImageTest
*/
public class BaseMultiResolutionImageTest {
public static void main(String[] args) {
testZeroRVIMages();
testNullRVIMages();
testNullRVIMage();
testIOOBException();
testRVSizes();
testBaseMRImage();
}
static void testZeroRVIMages() {
try {
new BaseMultiResolutionImage();
} catch (IllegalArgumentException ignored) {
return;
}
throw new RuntimeException("IllegalArgumentException is not thrown!");
}
static void testNullRVIMages() {
try {
new BaseMultiResolutionImage(null);
} catch (IllegalArgumentException ignored) {
return;
}
throw new RuntimeException("IllegalArgumentException is not thrown!");
}
static void testNullRVIMage() {
Image baseImage = new BufferedImage(10, 10, BufferedImage.TYPE_INT_RGB);
try {
new BaseMultiResolutionImage(baseImage, null);
} catch (NullPointerException ignored) {
return;
}
throw new RuntimeException("NullPointerException is not thrown!");
}
static void testIOOBException() {
for (int baseImageIndex : new int[]{-3, 2, 4}) {
try {
new BaseMultiResolutionImage(baseImageIndex,
createRVImage(0), createRVImage(1));
} catch (IndexOutOfBoundsException ignored) {
continue;
}
throw new RuntimeException("IndexOutOfBoundsException is not thrown!");
}
}
static void testRVSizes() {
int imageSize = getSize(1);
double[][] sizeArray = {
{-imageSize, imageSize},
{2 * imageSize, -2 * imageSize},
{Double.POSITIVE_INFINITY, imageSize},
{Double.POSITIVE_INFINITY, -imageSize},
{imageSize, Double.NEGATIVE_INFINITY},
{-imageSize, Double.NEGATIVE_INFINITY},
{Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY},
{Double.NaN, imageSize},
{imageSize, Double.NaN},
{Double.NaN, Double.NaN},
{Double.POSITIVE_INFINITY, Double.NaN}
};
for (double[] sizes : sizeArray) {
try {
MultiResolutionImage mrImage = new BaseMultiResolutionImage(
0, createRVImage(0), createRVImage(1));
mrImage.getResolutionVariant(sizes[0], sizes[1]);
} catch (IllegalArgumentException ignored) {
continue;
}
throw new RuntimeException("IllegalArgumentException is not thrown!");
}
}
static void testBaseMRImage() {
int baseIndex = 1;
int length = 3;
BufferedImage[] resolutionVariants = new BufferedImage[length];
for (int i = 0; i < length; i++) {
resolutionVariants[i] = createRVImage(i);
}
BaseMultiResolutionImage mrImage = new BaseMultiResolutionImage(baseIndex,
resolutionVariants);
List<Image> rvImageList = mrImage.getResolutionVariants();
if (rvImageList.size() != length) {
throw new RuntimeException("Wrong size of resolution variants list!");
}
for (int i = 0; i < length; i++) {
int imageSize = getSize(i);
Image testRVImage = mrImage.getResolutionVariant(imageSize, imageSize);
if (testRVImage != resolutionVariants[i]) {
throw new RuntimeException("Wrong resolution variant!");
}
if (rvImageList.get(i) != resolutionVariants[i]) {
throw new RuntimeException("Wrong resolution variant!");
}
}
BufferedImage baseImage = resolutionVariants[baseIndex];
if (baseImage.getWidth() != mrImage.getWidth(null)
|| baseImage.getHeight() != mrImage.getHeight(null)) {
throw new RuntimeException("Base image is wrong!");
}
boolean passed = false;
try {
rvImageList.set(0, createRVImage(10));
} catch (Exception e) {
passed = true;
}
if (!passed) {
throw new RuntimeException("Resolution variants list is modifiable!");
}
passed = false;
try {
rvImageList.remove(0);
} catch (Exception e) {
passed = true;
}
if (!passed) {
throw new RuntimeException("Resolution variants list is modifiable!");
}
passed = false;
try {
rvImageList.add(0, createRVImage(10));
} catch (Exception e) {
passed = true;
}
if (!passed) {
throw new RuntimeException("Resolution variants list is modifiable!");
}
passed = false;
try {
mrImage.getGraphics();
} catch (UnsupportedOperationException e) {
passed = true;
}
if (!passed) {
throw new RuntimeException("getGraphics() method shouldn't be supported!");
}
}
private static int getSize(int i) {
return 8 * (i + 1);
}
private static BufferedImage createRVImage(int i) {
return new BufferedImage(getSize(i), getSize(i),
BufferedImage.TYPE_INT_RGB);
}
}