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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/awt/GridLayout/ChangeGridSize/ChangeGridSize.java Normal file
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/*
* Copyright (c) 2006, 2016, 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.*;
import java.awt.event.*;
/*
* @test
* @key headful
* @summary Have different components having different preferred sizes
* added to a grid layout. Change the rows and columns of the
* grid layout and check the components are re-laid out.
* The strategy followed is to calculate the component location
* depending on the preferred sizes and gaps and click the cornors
* of the components to check if events are triggered
* @library ../../../../lib/testlibrary/
* @run main ChangeGridSize
* @run main ChangeGridSize -hg 20 -vg 20
*/
public class ChangeGridSize {
private int width = 300;
private int height = 200;
private final int hGap, vGap;
private final int rows = 3;
private final int columns = 2;
private final int componentCount = 6;
private Button[] buttons;
private Frame frame;
private Robot robot;
private GridLayout layout;
private volatile boolean actionPerformed = false;
public ChangeGridSize(int hGap, int vGap) throws Exception {
this.hGap = hGap;
this.vGap = vGap;
robot = new Robot();
EventQueue.invokeAndWait( () -> {
frame = new Frame("Test frame");
frame.setSize(width, height);
layout = new GridLayout(rows + 3, columns - 1, hGap, vGap);
frame.setLayout(layout);
buttons = new Button[componentCount];
for (int i = 0; i < componentCount; i++) {
buttons[i] = new Button("Button" + i);
frame.add(buttons[i]);
buttons[i].addActionListener( (event) -> { actionPerformed = true; });
}
frame.setVisible(true);
});
}
public static void main(String[] args) throws Exception {
int hGap = 0;
int vGap = 0;
for (int i = 0; i < args.length; i++) {
switch (args[i]) {
case "-hg":
hGap = Integer.parseInt(args[++i]);
break;
case "-vg":
vGap = Integer.parseInt(args[++i]);
break;
}
}
new ChangeGridSize(hGap, vGap).doTest();
}
private void resizeFrame() throws Exception {
EventQueue.invokeAndWait(() -> {
Insets insets = frame.getInsets();
double dH = (height-insets.top-insets.bottom - vGap*(rows-1)) % rows;
double dW = (width-insets.left-insets.right - hGap*(columns-1)) % columns;
height -= dH;
width -= dW;
frame.setSize(width, height);
frame.revalidate();
});
robot.waitForIdle();
}
private void changeGridSize() throws Exception {
EventQueue.invokeAndWait(() -> {
layout.setRows(rows);
layout.setColumns(columns);
frame.revalidate();
});
robot.waitForIdle();
}
public void testBoundaries(int topLeftX, int topLeftY, int bottomRightX, int bottomRightY) throws Exception {
actionPerformed = false;
robot.mouseMove(topLeftX, topLeftY);
robot.delay(500);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(500);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(3000);
if (!actionPerformed) {
frame.dispose();
throw new RuntimeException("Clicking on the left top of button did not trigger action event");
}
actionPerformed = false;
robot.mouseMove(bottomRightX, bottomRightY);
robot.delay(500);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(500);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(3000);
if (!actionPerformed) {
frame.dispose();
throw new RuntimeException("Clicking on the bottom right of button did not trigger action event");
}
}
private void doTest() throws Exception {
robot.waitForIdle();
changeGridSize();
resizeFrame();
int availableWidth = width - frame.getInsets().left -
frame.getInsets().right;
int componentWidth = (availableWidth + hGap) / columns - hGap;
int availableHeight = height - frame.getInsets().top -
frame.getInsets().bottom;
int componentHeight = (availableHeight + vGap) / rows - vGap;
for (int i = 0; i < buttons.length; i++) {
if (buttons[i].getSize().width != componentWidth ||
buttons[i].getSize().height != componentHeight) {
frame.dispose();
throw new RuntimeException(
"FAIL: Button " + i + " not of proper size" +
"Expected: " + componentWidth + "*" + componentHeight +
"Actual: " + buttons[i].getSize().width + "*" + buttons[i].getSize().height);
}
}
// Components are visible. They should trigger events.
// Now you can check for the actual size shown.
int currentRow = 1;
int currentColumn = 0;
for (int i = 0; i < buttons.length; i++) {
currentColumn++;
if (currentColumn > columns) {
currentColumn = 1;
currentRow++;
}
int topPosX = frame.getLocationOnScreen().x +
frame.getInsets().left +
(currentColumn - 1) * (componentWidth + hGap);
int topPosY = frame.getLocationOnScreen().y +
frame.getInsets().top +
(currentRow - 1) * (componentHeight + vGap);
int bottomPosX = topPosX + componentWidth - 1;
int bottomPosY = topPosY + componentHeight - 1;
testBoundaries(topPosX, topPosY, bottomPosX, bottomPosY);
}
frame.dispose();
}
}