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/text/Format/DateFormat/Bug8141243.java
+++ b/test/jdk/java/text/Format/DateFormat/Bug8141243.java
@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2015, 2024, 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 8141243 8174269
+ * @summary Make sure that SimpleDateFormat parses "UTC" as the UTC time zone.
+ * @run main Bug8141243
+ */
+
+import java.text.DateFormat;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Locale;
+import java.util.TimeZone;
+import static java.util.TimeZone.*;
+
+public class Bug8141243 {
+    public static void main(String[] args) {
+        TimeZone UTC = TimeZone.getTimeZone("UTC");
+        TimeZone initTz = TimeZone.getDefault();
+
+        List<String> errors = new ArrayList<>();
+        try {
+            TimeZone.setDefault(TimeZone.getTimeZone("America/Los_Angeles"));
+            for (Locale locale : DateFormat.getAvailableLocales()) {
+                // exclude any locales which localize "UTC".
+                String utc = UTC.getDisplayName(false, SHORT, locale);
+                if (!"UTC".equals(utc)) {
+                    System.out.println("Skipping " + locale + " due to localized UTC name: " + utc);
+                    continue;
+                }
+                SimpleDateFormat fmt = new SimpleDateFormat("z", locale);
+                try {
+                    Date date = fmt.parse("UTC");
+                    // Parsed one may not exactly be UTC. Universal, UCT, etc. are equivalents.
+                    if (!fmt.getTimeZone().getID().matches("(Etc/)?(UTC|Universal|UCT|Zulu)")) {
+                        errors.add("timezone: " + fmt.getTimeZone().getID()
+                                   + ", locale: " + locale);
+                    }
+                } catch (ParseException e) {
+                    errors.add("parse exception: " + e + ", locale: " + locale);
+                }
+            }
+        } finally {
+            // Restore the default time zone
+            TimeZone.setDefault(initTz);
+        }
+
+        if (!errors.isEmpty()) {
+            System.out.println("Got unexpected results:");
+            for (String s : errors) {
+                System.out.println("    " + s);
+            }
+            throw new RuntimeException("Test failed.");
+        } else {
+            System.out.println("Test passed.");
+        }
+    }
+}