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/elements/TestGetPackageOf.java
+++ b/test/langtools/tools/javac/processing/model/util/elements/TestGetPackageOf.java
@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2006, 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 6453386 8216404 8230337
+ * @summary Test Elements.getPackageOf
+ * @library /tools/javac/lib
+ * @modules java.compiler
+ *          jdk.compiler
+ * @build   JavacTestingAbstractProcessor TestGetPackageOf
+ * @compile -processor TestGetPackageOf -proc:only TestGetPackageOf.java
+ */
+
+import java.util.*;
+import javax.annotation.processing.*;
+import javax.lang.model.SourceVersion;
+import static javax.lang.model.SourceVersion.*;
+import javax.lang.model.element.*;
+import javax.lang.model.util.*;
+import static javax.lang.model.util.ElementFilter.*;
+import static javax.tools.Diagnostic.Kind.*;
+import static javax.tools.StandardLocation.*;
+
+/**
+ * Test basic workings of Elements.getPackageOf
+ */
+public class TestGetPackageOf extends JavacTestingAbstractProcessor {
+    /**
+     * Check expected behavior on classes and packages and other elements.
+     */
+    public boolean process(Set<? extends TypeElement> annotations,
+                           RoundEnvironment roundEnv) {
+        if (!roundEnv.processingOver()) {
+            TypeElement    charElt     = eltUtils.getTypeElement("java.lang.Character");
+            PackageElement javaLangPkg = eltUtils.getPackageElement("java.lang");
+            PackageElement unnamedPkg  = eltUtils.getPackageElement("");
+
+            Map<Element, PackageElement> testCases =
+                Map.of(javaLangPkg, javaLangPkg,
+                       charElt,     javaLangPkg,
+                       unnamedPkg,  unnamedPkg);
+
+            for (var testCase : testCases.entrySet()) {
+                checkPkg(testCase.getKey(), testCase.getValue());
+            }
+
+            // The package of fields and methods and nested types of
+            // java.lang.Character is java.lang.
+            for (Element e : charElt.getEnclosedElements()) {
+                checkPkg(e, javaLangPkg);
+            }
+
+            // A module has a null package.
+            checkPkg(eltUtils.getModuleElement("java.base"), null);
+        }
+        return true;
+    }
+
+    private void checkPkg(Element e, PackageElement expectedPkg) {
+        PackageElement actualPkg = eltUtils.getPackageOf(e);
+        if (!Objects.equals(actualPkg, expectedPkg)) {
+            throw new RuntimeException(String.format("Unexpected package ``%s''' for %s %s, expected ``%s''%n",
+                                                     actualPkg, e.getKind(), e.toString(), expectedPkg));
+        }
+    }
+}