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/element/TestExecutableElement.java
+++ b/test/langtools/tools/javac/processing/model/element/TestExecutableElement.java
@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2012, 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.
+ */
+
+/*
+ * @test
+ * @bug 8005046 8011052 8025087
+ * @summary Test basic properties of javax.lang.element.ExecutableElement
+ * @library /tools/javac/lib
+ * @modules java.compiler
+ *          jdk.compiler
+ * @build   JavacTestingAbstractProcessor TestExecutableElement
+ * @compile -processor TestExecutableElement -proc:only -AexpectedMethodCount=7 TestExecutableElement.java
+ * @compile/process -processor TestExecutableElement -proc:only -AexpectedMethodCount=3 ProviderOfDefault
+ */
+
+import java.lang.annotation.*;
+import java.util.Formatter;
+import java.util.Set;
+import java.util.regex.*;
+import javax.annotation.processing.*;
+import javax.lang.model.element.*;
+import static javax.lang.model.util.ElementFilter.*;
+
+/**
+ * Test some basic workings of javax.lang.element.ExecutableElement
+ */
+@SupportedOptions("expectedMethodCount")
+public class TestExecutableElement extends JavacTestingAbstractProcessor implements ProviderOfDefault {
+    private int seenMethods = 0;
+    @IsDefault(false)
+    public boolean process(Set<? extends TypeElement> annotations,
+                           RoundEnvironment roundEnv) {
+        if (!roundEnv.processingOver()) {
+            for (Element element : roundEnv.getRootElements()) {
+                for (ExecutableElement method : methodsIn(element.getEnclosedElements())) {
+                    checkIsDefault(method);
+                    seenMethods++;
+                }
+            }
+        } else {
+            String expectedMethodCountStr = processingEnv.getOptions().get("expectedMethodCount");
+            if (expectedMethodCountStr == null) {
+                messager.printError("No expected method count specified.");
+            } else {
+                int expectedMethodCount = Integer.parseInt(expectedMethodCountStr);
+
+                if (seenMethods != expectedMethodCount) {
+                    messager.printError("Wrong number of seen methods: " + seenMethods);
+                }
+            }
+        }
+        return true;
+    }
+
+    @IsDefault(false)
+    void checkIsDefault(ExecutableElement method) {
+        System.out.println("Testing " + method);
+        IsDefault expectedIsDefault = method.getAnnotation(IsDefault.class);
+
+        boolean expectedDefault = (expectedIsDefault != null) ?
+            expectedIsDefault.value() :
+            false;
+
+        boolean methodIsDefault = method.isDefault();
+
+        if (expectedDefault) {
+            if (!method.getModifiers().contains(Modifier.DEFAULT)) {
+                messager.printError("Modifier \"default\" not present as expected.",
+                                    method);
+            }
+
+            // Check printing output
+            java.io.Writer stringWriter = new java.io.StringWriter();
+            eltUtils.printElements(stringWriter, method);
+            Pattern p = Pattern.compile(expectedIsDefault.expectedTextRegex(), Pattern.DOTALL);
+
+            if (! p.matcher(stringWriter.toString()).matches()) {
+                messager.printError(new Formatter().format("Unexpected printing ouptput:%n\tgot %s,%n\texpected pattern %s.",
+                                                           stringWriter.toString(),
+                                                           expectedIsDefault.expectedTextRegex()).toString(),
+                                    method);
+            }
+
+            System.out.println("\t" + stringWriter.toString());
+
+        } else {
+            if (method.getModifiers().contains(Modifier.DEFAULT)) {
+                messager.printError("Modifier \"default\" present when not expected.",
+                                    method);
+            }
+        }
+
+        if (methodIsDefault != expectedDefault) {
+            messager.printError(new Formatter().format("Unexpected Executable.isDefault result: got ``%s'', expected ``%s''.",
+                                                       expectedDefault,
+                                                       methodIsDefault).toString(),
+                                method);
+        }
+    }
+}
+
+/**
+ * Expected value of the ExecutableElement.isDefault method.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+@interface IsDefault {
+    boolean value();
+    String expectedTextRegex() default "";
+}
+
+/**
+ * Test interface to provide a default method.
+ */
+interface ProviderOfDefault {
+    @IsDefault(false)
+    boolean process(Set<? extends TypeElement> annotations,
+                    RoundEnvironment roundEnv);
+
+    @IsDefault(value=true, expectedTextRegex="\\s*@IsDefault\\(.*\\)\\s*default void quux\\(\\);\\s*$")
+    default void quux() {};
+    @IsDefault(false)
+    static void statik() {}
+}