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/langtools/tools/javac/processing/model/util/OverridesSpecEx.java
+++ b/test/langtools/tools/javac/processing/model/util/OverridesSpecEx.java
@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2006, 2015, 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     6453386
+ * @summary Verify that example code in Elements.overrides works as spec'ed.
+ * @author  Scott Seligman
+ * @library /tools/javac/lib
+ * @modules java.compiler
+ *          jdk.compiler
+ * @build JavacTestingAbstractProcessor
+ * @compile -g OverridesSpecEx.java
+ * @compile -processor OverridesSpecEx -proc:only OverridesSpecEx.java
+ */
+
+import java.util.Set;
+import javax.annotation.processing.*;
+import javax.lang.model.SourceVersion;
+import javax.lang.model.element.*;
+import javax.lang.model.type.*;
+import javax.lang.model.util.*;
+
+import static javax.lang.model.util.ElementFilter.*;
+
+public class OverridesSpecEx extends JavacTestingAbstractProcessor {
+    public boolean process(Set<? extends TypeElement> annoTypes,
+                           RoundEnvironment round) {
+        if (!round.processingOver())
+            doit(annoTypes, round);
+        return true;
+    }
+
+    private void doit(Set<? extends TypeElement> annoTypes,
+                      RoundEnvironment round) {
+        TypeElement string = elements.getTypeElement("java.lang.String");
+        TypeElement object = elements.getTypeElement("java.lang.Object");
+
+        ExecutableElement m1 = null;
+        ExecutableElement m2 = null;
+        for (ExecutableElement m : methodsIn(string.getEnclosedElements())) {
+            if (m.getSimpleName().contentEquals("hashCode")) {
+                m1 = m;
+                break;
+            }
+        }
+        for (ExecutableElement m : methodsIn(object.getEnclosedElements())) {
+            if (m.getSimpleName().contentEquals("hashCode")) {
+                m2 = m;
+                break;
+            }
+        }
+
+        boolean res =
+            elements.overrides(m1, m2, (TypeElement) m1.getEnclosingElement());
+        System.out.println("String.hashCode overrides Object.hashCode?  " + res);
+        checkResult(res);
+
+        TypeElement a = elements.getTypeElement("OverridesSpecEx.A");
+        TypeElement b = elements.getTypeElement("OverridesSpecEx.B");
+        TypeElement c = elements.getTypeElement("OverridesSpecEx.C");
+
+        m1 = null;
+        m2 = null;
+        for (ExecutableElement m : methodsIn(a.getEnclosedElements()))
+            m1 = m;
+        for (ExecutableElement m : methodsIn(b.getEnclosedElements()))
+            m2 = m;
+
+        res = elements.overrides(m1, m2, a);
+        System.out.println("A.m overrides B.m in B?  " + res);
+        checkResult(!res);
+        res = elements.overrides(m1, m2, c);
+        System.out.println("A.m overrides B.m in C?  " + res);
+        checkResult(res);
+    }
+
+    private static void checkResult(boolean truthiness) {
+        if (!truthiness)
+            throw new AssertionError("Bogus result");
+    }
+
+    // Fodder for the processor
+    class A {
+        public void m() {}
+    }
+    interface B {
+        void m();
+    }
+    class C extends A implements B {
+    }
+}