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/Mixing/AWT_Mixing/SimpleOverlappingTestBase.java

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+/*
+ * Copyright (c) 2014, 2025, 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.
+ */
+
+import java.awt.Point;
+import java.awt.Robot;
+import java.awt.event.FocusAdapter;
+import java.awt.event.FocusEvent;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import javax.swing.JComponent;
+import javax.swing.JFrame;
+import javax.swing.SpringLayout;
+
+import test.java.awt.regtesthelpers.Util;
+
+/**
+ * Base class for testing overlapping of Swing and AWT component put into one frame.
+ * Validates drawing and event delivery at the components intersection.
+ * <p> See base class for usage
+ *
+ * @author Sergey Grinev
+*/
+public abstract class SimpleOverlappingTestBase extends OverlappingTestBase {
+
+    {
+        testEmbeddedFrame = true;
+    }
+
+    /**
+     * Event delivery validation. If set to true (default) tested lightweight component will be provided
+     * with mouse listener which should be called in order for test to pass.
+     */
+    protected final boolean useDefaultClickValidation;
+
+    /**
+     * Constructor which sets {@link SimpleOverlappingTestBase#useDefaultClickValidation }
+     * @param defaultClickValidation
+     */
+    protected SimpleOverlappingTestBase(boolean defaultClickValidation) {
+        super();
+        this.useDefaultClickValidation = defaultClickValidation;
+    }
+
+    protected boolean isMultiFramesTest(){
+        return true;
+    }
+
+    public SimpleOverlappingTestBase() {
+        this(true);
+    }
+
+    //overridables
+    /**
+     * Successors override this method providing swing component for testing
+     * @return swing component to test
+     */
+    protected abstract JComponent getSwingComponent();
+
+    /**
+     * For tests debugging. Please, ignore.
+     */
+    protected static final boolean debug = false;
+
+    /**
+     * Should be set to true if test isn't using {@link SimpleOverlappingTestBase#useDefaultClickValidation }
+     */
+    protected volatile boolean wasLWClicked = false;
+
+    /**
+     * Current tested lightweight component
+     * @see SimpleOverlappingTestBase#getSwingComponent()
+     */
+    protected JComponent testedComponent;
+
+    /**
+     * Setups simple frame with lightweight component returned by {@link SimpleOverlappingTestBase#getSwingComponent() }
+     * Called by base class.
+     */
+    protected void prepareControls() {
+        wasLWClicked = false;
+
+        final JFrame f = new JFrame("Mixing : Simple Overlapping test");
+        f.setLayout(new SpringLayout());
+        f.setSize(200, 200);
+
+        testedComponent = getSwingComponent();
+
+        if (useDefaultClickValidation) {
+            testedComponent.addMouseListener(new MouseAdapter() {
+
+                @Override
+                public void mouseClicked(MouseEvent e) {
+                    wasLWClicked = true;
+                    f.setVisible(false);
+                }
+            });
+        }
+
+        if (!debug) {
+            f.add(testedComponent);
+        } else {
+            System.err.println("Warning: DEBUG MODE");
+        }
+
+        propagateAWTControls(f);
+
+        f.setLocationRelativeTo(null);
+        f.setVisible(true);
+    }
+
+    /**
+     * AWT Robot instance. Shouldn't be used in most cases.
+     */
+    protected Robot robot;
+
+    /**
+     * Run test by {@link OverlappingTestBase#clickAndBlink(java.awt.Robot, java.awt.Point) } validation for current lightweight component.
+     * <p>Called by base class.
+     * @return true if test passed
+     */
+    protected boolean performTest() {
+        testedComponent.requestFocus();
+
+        // run robot
+        robot = Util.createRobot();
+        robot.setAutoDelay(20);
+
+        // get coord
+        Point lLoc = !debug ? testedComponent.getLocationOnScreen() : new Point(70, 30);
+        Util.waitForIdle(robot);
+        /* this is a workaround for certain jtreg(?) focus issue:
+           tests fail starting after failing mixing tests but always pass alone.
+         */
+        JFrame ancestor = (JFrame) (testedComponent.getTopLevelAncestor());
+        if (ancestor != null) {
+            final CountDownLatch latch = new CountDownLatch(1);
+            ancestor.addFocusListener(new FocusAdapter() {
+                @Override public void focusGained(FocusEvent e) {
+                    latch.countDown();
+                }
+            });
+            ancestor.requestFocus();
+            try {
+                if (!latch.await(1L, TimeUnit.SECONDS)) {
+                    throw new RuntimeException(
+                            "Ancestor frame didn't receive focus");
+                }
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+        }
+
+        clickAndBlink(robot, lLoc);
+        if (ancestor != null && isMultiFramesTest()) {
+            ancestor.dispose();
+        }
+
+        return wasLWClicked;
+    }
+
+    public boolean isOel7orLater() {
+        if (System.getProperty("os.name").toLowerCase().contains("linux") &&
+            System.getProperty("os.version").toLowerCase().contains("el")) {
+            Pattern p = Pattern.compile("el(\\d+)");
+            Matcher m = p.matcher(System.getProperty("os.version"));
+            if (m.find()) {
+                try {
+                    return Integer.parseInt(m.group(1)) >= 7;
+                } catch (NumberFormatException nfe) {}
+            }
+        }
+        return false;
+    }
+}