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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/java/awt/dnd/AutoscrollStopTest.java
+++ b/test/jdk/java/awt/dnd/AutoscrollStopTest.java
@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2001, 2023, 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 4516490
+  @summary verifies that autoscroll is stopped when the drop happens
+  @key headful
+  @run main AutoscrollStopTest
+*/
+
+
+import java.awt.AWTException;
+import java.awt.Dimension;
+import java.awt.EventQueue;
+import java.awt.Frame;
+import java.awt.Insets;
+import java.awt.Point;
+import java.awt.Robot;
+import java.awt.datatransfer.StringSelection;
+import java.awt.datatransfer.Transferable;
+import java.awt.dnd.Autoscroll;
+import java.awt.dnd.DnDConstants;
+import java.awt.dnd.DragGestureEvent;
+import java.awt.dnd.DragGestureListener;
+import java.awt.dnd.DragGestureRecognizer;
+import java.awt.dnd.DragSource;
+import java.awt.dnd.DropTarget;
+import java.awt.dnd.DropTargetAdapter;
+import java.awt.dnd.DropTargetDropEvent;
+import java.awt.dnd.DropTargetListener;
+import java.awt.event.InputEvent;
+
+
+public class AutoscrollStopTest extends Frame implements Autoscroll {
+    static volatile AutoscrollStopTest test = null;
+
+    volatile boolean dropHappened = false;
+
+    final DragSource dragSource = DragSource.getDefaultDragSource();
+    final Transferable transferable = new StringSelection("TEXT");
+    final DragGestureListener dragGestureListener = new DragGestureListener() {
+            public void dragGestureRecognized(DragGestureEvent dge) {
+                dge.startDrag(null, transferable);
+            }
+        };
+    final DragGestureRecognizer dragGestureRecognizer =
+            dragSource.createDefaultDragGestureRecognizer(
+                    this, DnDConstants.ACTION_COPY_OR_MOVE,
+                    dragGestureListener);
+
+    final DropTargetListener dropTargetListener = new DropTargetAdapter() {
+        public void drop(DropTargetDropEvent e) {
+            e.rejectDrop();
+            dropHappened = true;
+        }
+    };
+
+    final DropTarget dropTarget = new DropTarget(this, dropTargetListener);
+
+    public static void main(String[] args) throws Exception {
+        EventQueue.invokeAndWait(() -> {
+            test = new AutoscrollStopTest();
+            test.createUI();
+        });
+        try {
+            test.start();
+        } finally {
+            EventQueue.invokeAndWait(test::dispose);
+        }
+    }
+
+    public static int sign(int n) {
+        return Integer.compare(n, 0);
+    }
+
+    public void createUI() {
+        setTitle("AutoscrollStopTest");
+        setMinimumSize(new Dimension(200, 200));
+        setLocationRelativeTo(null);
+        setVisible(true);
+    }
+
+    public void start() throws AWTException {
+        final Robot robot = new Robot();
+        try {
+            robot.setAutoWaitForIdle(true);
+            robot.setAutoDelay(50);
+            robot.waitForIdle();
+            robot.delay(1000);
+
+            final Point srcPoint = this.getLocationOnScreen();
+            final Dimension d = this.getSize();
+            srcPoint.translate(d.width / 2, d.height / 2);
+
+            final Point dstPoint = new Point(srcPoint);
+            dstPoint.translate(d.width / 4, d.height / 4);
+
+            robot.mouseMove(srcPoint.x, srcPoint.y);
+            robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+
+            for (;!srcPoint.equals(dstPoint);
+                 srcPoint.translate(sign(dstPoint.x - srcPoint.x),
+                                    sign(dstPoint.y - srcPoint.y))) {
+                robot.mouseMove(srcPoint.x, srcPoint.y);
+            }
+        } finally {
+            robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+        }
+    }
+
+    public Insets getAutoscrollInsets() {
+        final Dimension d = this.getSize();
+        return new Insets(d.height / 2, d.width / 2,
+                d.height / 2, d.width / 2);
+    }
+
+    public void autoscroll(Point cursorLocation) {
+        if (dropHappened) {
+            throw new RuntimeException("Test failed");
+        }
+    }
+}