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/jdk/java/lang/invoke/VarHandles/VarHandleTestAccessModeMethodNames.java
+++ b/test/jdk/java/lang/invoke/VarHandles/VarHandleTestAccessModeMethodNames.java
@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2016, 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
+ * @run junit VarHandleTestAccessModeMethodNames
+ * @modules java.base/java.lang.invoke:open
+ */
+
+
+import java.lang.invoke.VarHandle;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.stream.Stream;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.TestInstance;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.MethodSource;
+
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+public class VarHandleTestAccessModeMethodNames {
+
+    public static Object[][] accessModesProvider() {
+        return Stream.of(VarHandle.AccessMode.values()).
+                map(am -> new Object[]{am}).
+                toArray(Object[][]::new);
+    }
+
+    @ParameterizedTest
+    @MethodSource("accessModesProvider")
+    public void testMethodName(VarHandle.AccessMode am) {
+        assertEquals(toMethodName(am.name()), am.methodName());
+    }
+
+    private static String toMethodName(String name) {
+        StringBuilder s = new StringBuilder(name.toLowerCase());
+        int i;
+        while ((i = s.indexOf("_")) !=  -1) {
+            s.deleteCharAt(i);
+            s.setCharAt(i, Character.toUpperCase(s.charAt(i)));
+        }
+        return s.toString();
+    }
+
+
+    @ParameterizedTest
+    @MethodSource("accessModesProvider")
+    public void testReturnType(VarHandle.AccessMode am) throws Exception {
+        assertEquals(getAccessModeReturnType(am), getReturnType(am.methodName()));
+    }
+
+    private static Class<?> getReturnType(String name) throws Exception {
+        return VarHandle.class.getMethod(name, Object[].class).getReturnType();
+    }
+
+    private static Class<?> getAccessModeReturnType(VarHandle.AccessMode am) throws Exception {
+        Field field_am_at = VarHandle.AccessMode.class.getDeclaredField("at");
+        field_am_at.setAccessible(true);
+        Field field_at_returnType = field_am_at.getType().getDeclaredField("returnType");
+        field_at_returnType.setAccessible(true);
+        return (Class<?>) field_at_returnType.get(field_am_at.get(am));
+    }
+}