undefect. CWE-407 — 63 sites patched across 27 ecosystems

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.

test/jdk/java/awt/Choice/ChoiceMouseWheelTest/ChoiceMouseWheelTest.java

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+/*
+ * Copyright (c) 2011, 2025, 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
+ * @key headful
+ * @bug 7050935
+ * @summary closed/java/awt/Choice/WheelEventsConsumed/WheelEventsConsumed.html fails on win32
+ * @library /java/awt/regtesthelpers
+ * @build Util
+ * @run main ChoiceMouseWheelTest
+ */
+
+import test.java.awt.regtesthelpers.Util;
+
+import java.awt.Choice;
+import java.awt.Dimension;
+import java.awt.EventQueue;
+import java.awt.FlowLayout;
+import java.awt.Frame;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.Robot;
+import java.awt.Toolkit;
+import java.awt.event.InputEvent;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+
+public class ChoiceMouseWheelTest extends Frame {
+
+    private volatile boolean itemChanged = false;
+    private volatile boolean wheelMoved = false;
+    private volatile boolean frameExited = false;
+    private final Choice choice;
+
+    public static void main(String[] args) throws Exception {
+        ChoiceMouseWheelTest test = Util.invokeOnEDT(ChoiceMouseWheelTest::new);
+        try {
+            test.test();
+        } finally {
+            EventQueue.invokeAndWait(test::dispose);
+        }
+    }
+
+    ChoiceMouseWheelTest() {
+        super("ChoiceMouseWheelTest");
+        setLayout(new FlowLayout());
+
+        addWindowListener(new WindowAdapter() {
+            @Override
+            public void windowClosing(WindowEvent e) {
+                e.getWindow().dispose();
+            }
+        });
+
+        choice = new Choice();
+        for(int i = 0; i < 50; i++) {
+            choice.add(Integer.toString(i));
+        }
+
+        choice.addItemListener(e -> itemChanged = true);
+        choice.addMouseWheelListener(e -> wheelMoved = true);
+
+        addMouseListener(new MouseAdapter() {
+            @Override
+            public void mouseExited(MouseEvent e) {
+                frameExited = true;
+            }
+        });
+
+        add(choice);
+        setSize(200, 300);
+        setLocationRelativeTo(null);
+        setVisible(true);
+        toFront();
+    }
+
+    private void test() throws Exception {
+        Robot robot = new Robot();
+        robot.setAutoDelay(20);
+        robot.waitForIdle();
+        robot.delay(500);
+
+        Rectangle choiceBounds = Util.invokeOnEDT(() -> {
+            Point pt = choice.getLocationOnScreen();
+            Dimension size = choice.getSize();
+            return new Rectangle(pt, size);
+        });
+
+        int x = choiceBounds.x + choiceBounds.width / 3;
+        robot.mouseMove(x, choiceBounds.y + choiceBounds.height / 2);
+
+        // Test mouse wheel over the choice
+        String name = Toolkit.getDefaultToolkit().getClass().getName();
+        boolean isXtoolkit = name.equals("sun.awt.X11.XToolkit");
+        boolean isLWCToolkit = name.equals("sun.lwawt.macosx.LWCToolkit");
+
+        // mouse wheel doesn't work for the choice on X11 and Mac, so skip it
+        if (!isXtoolkit && !isLWCToolkit) {
+            robot.mouseWheel(1);
+            robot.waitForIdle();
+
+            if (!wheelMoved || !itemChanged) {
+                throw new RuntimeException("Mouse Wheel over the choice failed!");
+            }
+        }
+
+        // Test mouse wheel over the drop-down list
+        robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+        robot.waitForIdle();
+        robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+        robot.waitForIdle();
+
+        frameExited = false;
+
+        Rectangle frameBounds = Util.invokeOnEDT(this::getBounds);
+
+        int y = frameBounds.y + frameBounds.height;
+        while (!frameExited && y >= frameBounds.y) { // move to the bottom of drop-down list
+            robot.mouseMove(x, --y);
+            robot.waitForIdle();
+        }
+
+        if (y < frameBounds.y) {
+            throw new RuntimeException("Could not enter drop-down list!");
+        }
+
+        y -= choiceBounds.height / 2;
+        robot.mouseMove(x, y); // move to the last visible item in the drop-down list
+        robot.waitForIdle();
+
+        int scrollDirection = isLWCToolkit ? -1 : 1;
+        // wheel to the last item
+        robot.mouseWheel(scrollDirection * choice.getItemCount());
+        robot.waitForIdle();
+
+        // click the last item
+        itemChanged = false;
+        robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+        robot.waitForIdle();
+        robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+        robot.waitForIdle();
+
+        if (!itemChanged || choice.getSelectedIndex() != choice.getItemCount() - 1) {
+            throw new RuntimeException("Mouse Wheel scroll position error!");
+        }
+    }
+}