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/geom/Rectangle2D/CreateIntersectBug.java
+++ b/test/jdk/java/awt/geom/Rectangle2D/CreateIntersectBug.java
@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2001, 2018, 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 4374642
+ * @summary Verifies that the Rectangle2D.createIntersection method produces
+ *          an empty result rectangle if the two source rects did not intersect
+ */
+
+import java.awt.Canvas;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Frame;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.awt.geom.Rectangle2D;
+
+public class CreateIntersectBug extends Canvas {
+    public static boolean showresults = false;
+
+    public static RuntimeException t = null;
+
+    public static void main(String[] args) {
+        showresults = (args.length > 0);
+        test(50, 50, 20, 20, 100, 100, 100, 100);
+        test(-100, -100, 50, 50, 100, 100, 50, 50);
+        if (t != null) {
+            throw t;
+        }
+    }
+
+    public static void test(int x1, int y1, int w1, int h1,
+                            int x2, int y2, int w2, int h2)
+    {
+        Rectangle2D r1 = new Rectangle2D.Double(x1, y1, w1, h1);
+        Rectangle2D r2 = new Rectangle2D.Double(x2, y2, w2, h2);
+
+        write(r1, "R1");
+        write(r2, "R2");
+        if (r1.intersects(r2)) {
+            System.out.println("r1 and r2 intersect");
+        } else {
+            System.out.println("r1 and r2 don't intersect");
+        }
+        Rectangle2D r3 = r1.createIntersection(r2);
+        write(r3, "intersect");
+
+        Rectangle2D r4 = r1.createUnion(r2);
+        write(r4, "union");
+
+        if (showresults) {
+            new CreateIntersectBug(r1, r2, r3, r4);
+        }
+        if (!r1.intersects(r2) && !r3.isEmpty()) {
+            String s = ("Intersection of non-intersecting "+
+                        "rectangles is not empty!");
+            t = new RuntimeException(s);
+            System.out.println(s);
+        }
+    }
+
+    private Rectangle2D r1, r2, r3, r4;
+
+    public CreateIntersectBug(Rectangle2D r1, Rectangle2D r2,
+                              Rectangle2D r3, Rectangle2D r4)
+    {
+        this.r1 = r1;
+        this.r2 = r2;
+        this.r3 = r3;
+        this.r4 = r4;
+
+        Frame f = new Frame();
+        f.add(this);
+        f.addWindowListener(new WindowAdapter() {
+            public void windowClosing(WindowEvent e) {System.exit(0);}
+        });
+        f.pack();
+        f.show();
+    }
+
+    public Dimension getPreferredSize() {
+        return new Dimension(500, 500);
+    }
+
+
+    public void paint(Graphics g){
+        Graphics2D g2 = (Graphics2D) g;
+
+        // graphic aids to understanding - these have no
+        // effect on the problem.
+        if (!r1.intersects(r2) && !r3.isEmpty()) {
+            g2.setColor(Color.red);
+        } else {
+            g2.setColor(Color.green);
+        }
+        g2.draw(r3);
+        g2.setColor(Color.yellow);
+        g2.draw(r4);
+        g2.setColor(Color.blue);
+        g2.draw(r1);
+        g2.draw(r2);
+    }
+
+    public static void write(Rectangle2D r, String s) {
+        System.out.println(s + ": (" +
+                           (int)r.getX() + "," + (int)r.getY() + ","
+                           + (int)r.getWidth() + "," + (int)r.getHeight() +
+                           ")");
+    }
+}