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/Graphics2D/BasicStrokeValidate.java
+++ b/test/jdk/java/awt/Graphics2D/BasicStrokeValidate.java
@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2000, 2024, 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 4363534
+ * @summary This test verifies that setting a non-thin-line BasicStroke
+ *     on a Graphics2D obtained from a BufferedImage will correctly validate
+ *     the pipelines for the line-widening pipeline even if that is the only
+ *     non-default attribute on the graphics.
+ *
+ */
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+
+public class BasicStrokeValidate  {
+
+    public static final int TESTW = 100;
+    public static final int TESTH = 100;
+
+    public static void main(String[] args) {
+        BufferedImage bi1 = createImage(false);
+        BufferedImage bi2 = createImage(true);
+        compare(bi1, bi2); // images should differ
+    }
+
+    static BufferedImage createImage(boolean dashed) {
+        BufferedImage bi = new BufferedImage(TESTW, TESTH, BufferedImage.TYPE_INT_RGB);
+        Graphics2D g2d = bi.createGraphics();
+        g2d.setColor(Color.white);
+        g2d.fillRect(0, 0, TESTW, TESTH);
+        g2d.setColor(Color.black);
+        if (dashed) {
+            g2d.setStroke(new BasicStroke(1.0f, BasicStroke.CAP_SQUARE,
+                                          BasicStroke.JOIN_MITER, 10.0f,
+                                          new float[] {2.5f, 3.5f},
+                                          0.0f));
+        }
+        g2d.drawRect(10, 10, TESTW-20, TESTH-20);
+        g2d.setStroke(new BasicStroke(10f));
+        g2d.drawRect(20, 20, TESTW-40, TESTH-40);
+        return bi;
+    }
+
+    static void compare(BufferedImage i1, BufferedImage i2) {
+        boolean same = true;
+        int w = i1.getWidth(), h = i1.getHeight();
+        for (int y = 0; y < h; y++) {
+            for (int x = 0; x < w; x++) {
+                int p1 = i1.getRGB(x, y);
+                int p2 = i2.getRGB(x, y);
+                if (p1 != p2) {
+                    same = false;
+                }
+            }
+            if (!same) {
+                break;
+            }
+        }
+        if (same) {
+             throw new RuntimeException("No difference");
+        }
+    }
+}