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/ToStringTest.java
+++ b/test/jdk/java/text/Format/DateFormat/ToStringTest.java
@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 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 8321545
+ * @library /java/text/testlib
+ * @summary Ensure value returned by overridden toString method is as expected
+ * @run junit ToStringTest
+ */
+
+import java.io.InputStream;
+import java.io.ObjectInputStream;
+import java.text.DateFormat;
+import java.text.DateFormatSymbols;
+import java.text.SimpleDateFormat;
+import java.util.Locale;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class ToStringTest {
+
+    // Check a normal expected value
+    @Test
+    public void normalValueTest() {
+        String expectedStr =
+                "SimpleDateFormat [locale: \"English (Canada)\", pattern: \"MMM d, y\"]\n";
+        var s = DateFormat.getDateInstance(DateFormat.DEFAULT, Locale.CANADA);
+        assertEquals(expectedStr, s.toString());
+    }
+
+    // Check an odd value. SimpleDateFormat constructor that takes DFS, will use
+    // the default locale, not the locale from the DFS.
+    @Test
+    public void oddValueTest() {
+        String expectedStr =
+                "SimpleDateFormat [locale: \"" + Locale.getDefault().getDisplayName() + "\", pattern: \"MMM d, y\"]\n";
+        var s = new SimpleDateFormat("MMM d, y", new DateFormatSymbols(Locale.JAPAN));
+        assertEquals(expectedStr, s.toString());
+    }
+
+
+    // Check the expected value when the locale is null. This is only possible
+    // via an older SimpleDateFormat that was deserialized. The current constructor
+    // will throw NPE if locale is null.
+    @Test
+    public void nullLocaleTest() {
+        String expectedStr =
+                "SimpleDateFormat [locale: null, pattern: \"yyyy.MM.dd E hh.mm.ss zzz\"]\n";
+        // Borrowed from DateFormatSymbolsSerializationTest
+        SimpleDateFormat s;
+        try (InputStream is = HexDumpReader.getStreamFromHexDump("SDFserialized.ser.txt");
+             ObjectInputStream iStream = new ObjectInputStream(is)) {
+            s = (SimpleDateFormat)iStream.readObject();
+            assertEquals(expectedStr, s.toString());
+        } catch (Exception e) {
+            System.out.println("Error building stream from deserialized simple date format");
+        }
+    }
+}