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/performance/client/SwingMark/src/TextAreaTest.java

@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 1998, 2023, Oracle and/or its affiliates. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   - Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ *   - Neither the name of Oracle nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+import java.util.Date;
+import java.util.ResourceBundle;
+import java.awt.EventQueue;
+import java.awt.Graphics;
+import java.awt.event.KeyEvent;
+import javax.swing.JComponent;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
+import javax.swing.SwingUtilities;
+
+/**
+  * This test is mean to isolate the speed of the JTextArea
+  * It creates a JTextArea and then continuously appends text
+  * to that string.
+  */
+
+public class TextAreaTest extends AbstractSwingTest {
+
+   JTextArea textArea1;
+   final int repeat = 300;
+   final int breakIncrement = 12;
+
+   String DISPLAY_STRING = "Swing is Fast!  ";
+
+   public JComponent getTestComponent() {
+       loadBundle();
+       JPanel panel = new JPanel();
+       textArea1 = new CountTextArea(10, 30);
+       textArea1.setLineWrap(true);
+       JScrollPane scroller = new JScrollPane(textArea1);
+
+       if (SwingMark.useBlitScrolling) {
+           scroller.getViewport().putClientProperty("EnableWindowBlit", Boolean.TRUE);
+       }
+
+       panel.add(scroller);
+       return panel;
+   }
+
+   public String getTestName() {
+       return "TextArea";
+   }
+
+   public void runTest() {
+       testTextArea(textArea1, DISPLAY_STRING);
+   }
+
+   private void loadBundle() {
+       ResourceBundle bundle = ResourceBundle.getBundle("resources.TextAreaTest");
+       DISPLAY_STRING = bundle.getString("DisplayString");
+   }
+
+
+   public void testTextArea(JTextArea currentTextArea, String appendThis) {
+
+       TextAppender appender = new TextAppender(currentTextArea, appendThis);
+       for (int i = 0; i < repeat; i++) {
+          appender.appendString = appendThis;
+          if ( i % breakIncrement == breakIncrement -1) {
+             appender.appendString = appendThis + "\n";
+          }
+          try {
+              SwingUtilities.invokeLater(appender);
+              rest();
+          } catch (Exception e) {System.out.println(e);}
+       }
+   }
+
+   public static void main(String[] args) {
+       runStandAloneTest(new TextAreaTest());
+   }
+
+   class CountTextArea extends JTextArea {
+
+       public CountTextArea(int h, int w) {
+           super(h, w);
+       }
+
+       public void paint(Graphics g) {
+           super.paint(g);
+           paintCount++;
+       }
+   }
+}
+
+class TextAppender implements Runnable {
+
+    JTextArea area;
+    String appendString;
+
+    public TextAppender(JTextArea textArea, String appendThis) {
+        area = textArea;
+        appendString = appendThis;
+    }
+
+    public void run() {
+        area.append(appendString);
+    }
+}