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/List/ScrollbarPositionTest.java

@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 1998, 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 4024943
+ * @summary  Test for position of List scrollbar when it is added
+ * @library /java/awt/regtesthelpers
+ * @build PassFailJFrame
+ * @run main/manual ScrollbarPositionTest
+ */
+
+import java.awt.Button;
+import java.awt.Frame;
+import java.awt.GridLayout;
+import java.awt.List;
+import java.awt.Panel;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class ScrollbarPositionTest {
+    static int item = 0;
+    static List list;
+    static Button addButton, delButton;
+
+    private static final String INSTRUCTIONS = """
+        Click on the "Add List Item" button many times
+        until the vertical scrollbar appears.
+        Verify that the displayed vertical scrollbar does not take the space
+        that was occupied by buttons before the scrollbar is shown.""";
+
+    public static void main(String[] args) throws Exception {
+        PassFailJFrame.builder()
+                .title("ScrollbarPositionTest Instructions")
+                .instructions(INSTRUCTIONS)
+                .rows((int) INSTRUCTIONS.lines().count() + 2)
+                .columns(35)
+                .testUI(ScrollbarPositionTest::createTestUI)
+                .build()
+                .awaitAndCheck();
+    }
+
+    private static Frame createTestUI() {
+        Panel pan;
+
+        Frame frame = new Frame("ScrollbarPositionTest Frame");
+        frame.setLayout(new GridLayout(1, 2));
+        list = new List();
+        frame.add(list);
+        frame.add(pan = new Panel());
+        pan.setLayout(new GridLayout(4, 1));
+
+        MyListener listener = new MyListener();
+        addButton = new Button("Add List Item");
+        addButton.addActionListener(listener);
+        pan.add(addButton);
+
+        delButton = new Button("Delete List Item");
+        delButton.addActionListener(listener);
+        pan.add(delButton);
+
+        frame.pack();
+        return frame;
+    }
+
+    static class MyListener implements ActionListener {
+        public void actionPerformed(ActionEvent evt) {
+            if (evt.getSource() == addButton) {
+                String s = "item";
+                for (int i = 0; i <= item; i++) {
+                    s = s +" "+Integer.toString(i);
+                }
+                item++;
+                list.addItem(s);
+            } else if (evt.getSource() == delButton) {
+                int i;
+                if ((i = list.countItems()) > 0) {
+                    list.delItem(i - 1);
+                    --item;
+                }
+            }
+        }
+    }
+}