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/util/Locale/RequiredAvailableLocalesTest.java
+++ b/test/jdk/java/util/Locale/RequiredAvailableLocalesTest.java
@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2021, 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 8276186 8174269
+ * @summary Checks whether getAvailableLocales() returns at least Locale.ROOT and
+ *      Locale.US instances.
+ * @run junit RequiredAvailableLocalesTest
+ */
+
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.MethodType;
+import java.text.BreakIterator;
+import java.text.Collator;
+import java.text.DateFormat;
+import java.text.DateFormatSymbols;
+import java.text.DecimalFormatSymbols;
+import java.text.NumberFormat;
+import java.time.format.DecimalStyle;
+import java.util.Arrays;
+import java.util.Calendar;
+import java.util.Locale;
+import java.util.Set;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class RequiredAvailableLocalesTest {
+
+    private static final Set<Locale> REQUIRED_LOCALES = Set.of(Locale.ROOT, Locale.US);
+    private static final MethodType ARRAY_RETURN_TYPE = MethodType.methodType(Locale.class.arrayType());
+    private static final MethodType SET_RETURN_TYPE = MethodType.methodType(Set.class);
+
+    static Object[][] availableLocalesClasses() {
+        return new Object[][] {
+            {BreakIterator.class, ARRAY_RETURN_TYPE},
+            {Calendar.class, ARRAY_RETURN_TYPE},
+            {Collator.class, ARRAY_RETURN_TYPE},
+            {DateFormat.class, ARRAY_RETURN_TYPE},
+            {DateFormatSymbols.class, ARRAY_RETURN_TYPE},
+            {DecimalFormatSymbols.class, ARRAY_RETURN_TYPE},
+            {DecimalStyle.class, SET_RETURN_TYPE},
+            {Locale.class, ARRAY_RETURN_TYPE},
+            {NumberFormat.class, ARRAY_RETURN_TYPE},
+        };
+    }
+
+    @MethodSource("availableLocalesClasses")
+    @ParameterizedTest
+    void checkRequiredLocales(Class<?> c, MethodType mt) throws Throwable {
+        var ret = MethodHandles.lookup().findStatic(c, "getAvailableLocales", mt).invoke();
+
+        if (ret instanceof Locale[] a) {
+            assertTrue(Arrays.asList(a).containsAll(REQUIRED_LOCALES));
+        } else if (ret instanceof Set<?> s) {
+            assertTrue(s.containsAll(REQUIRED_LOCALES));
+        } else {
+            throw new RuntimeException("return type mismatch");
+        }
+    }
+}