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/TestEmptyContainer.java
+++ b/test/langtools/tools/javac/processing/model/element/TestEmptyContainer.java
@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2013, 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 8026857
+ * @summary Test that an empty container does not stop us from looking at
+ *          supertypes for inherited repeated annotations.
+ * @library /tools/javac/lib
+ * @modules jdk.compiler/com.sun.tools.javac.util
+ * @build   JavacTestingAbstractProcessor TestEmptyContainer
+ * @compile -XDaccessInternalAPI -processor TestEmptyContainer -proc:only TestEmptyContainer.java
+ */
+
+import com.sun.tools.javac.util.Assert;
+
+import java.lang.annotation.*;
+import java.util.Arrays;
+import java.util.Set;
+import javax.annotation.processing.*;
+import javax.lang.model.element.Element;
+import javax.lang.model.element.TypeElement;
+
+import static javax.lang.model.util.ElementFilter.*;
+
+@TestEmptyContainer.Foo(1)
+public class TestEmptyContainer extends JavacTestingAbstractProcessor {
+
+    public boolean process(Set<? extends TypeElement> annotations,
+                           RoundEnvironment roundEnv) {
+        if (!roundEnv.processingOver()) {
+            boolean hasRun = false;
+            for (Element element : roundEnv.getRootElements())
+                for (TypeElement te : typesIn(element.getEnclosedElements()))
+                    if (te.getQualifiedName().contentEquals("TestEmptyContainer.T2")) {
+                        hasRun = true;
+                        Foo[] foos = te.getAnnotationsByType(Foo.class);
+                        System.out.println("  " + te);
+                        System.out.println("  " + Arrays.asList(foos));
+                        Assert.check(foos.length == 1, "Should find one @Foo");
+                        Assert.check(foos[0].value() == 1, "Should find @Foo(1)");
+                    }
+            if (!hasRun)
+                throw new RuntimeException("Annotation processor couldn't find class T2, test broken!");
+        }
+        return true;
+    }
+
+    // This empty container should not stop us from finding @Foo(1) on TestEmptyContainer above
+    @TestEmptyContainer.FooContainer({})
+    public static class T2 extends TestEmptyContainer {
+    }
+
+    @Repeatable(FooContainer.class)
+    @Inherited
+    public static @interface Foo {
+        int value();
+    }
+
+    @Inherited
+    public static @interface FooContainer {
+        Foo[] value();
+    }
+}