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/sun/nio/cs/SJISCanEncode.java
+++ b/test/jdk/sun/nio/cs/SJISCanEncode.java
@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2008, 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 4913702
+ * @summary validates canEncode(char c) method for sun.nio.cs.Shift_JIS
+ * @modules jdk.charsets
+ */
+
+
+import java.nio.*;
+import java.nio.charset.*;
+
+public class SJISCanEncode {
+    private Charset cs;
+    private CharsetEncoder encoder;
+
+    private void canEncodeTest(char inputChar,
+                               boolean expectedResult)
+                               throws Exception {
+        String msg = "err: Shift_JIS canEncode() return value ";
+
+        if (encoder.canEncode(inputChar) != expectedResult) {
+            throw new Exception(msg + !(expectedResult) +
+                ": "  + Integer.toHexString((int)inputChar));
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        SJISCanEncode test = new SJISCanEncode();
+        test.cs = Charset.forName("SJIS");
+        test.encoder = test.cs.newEncoder();
+
+        // us-ascii (mappable by Shift_JIS)
+        test.canEncodeTest('\u0001', true);
+
+        // Halfwidth Katakana
+        test.canEncodeTest('\uFF01', true);
+
+        // CJK ideograph
+        test.canEncodeTest('\u4E9C', true);
+
+        //Hiragana
+        test.canEncodeTest('\u3041', true);
+        // fullwidth Katakana
+        test.canEncodeTest('\u30A1', true);
+
+        // U+0080 should be unmappable
+        // U+4000 is a BMP character not covered by Shift_JISe
+
+        test.canEncodeTest('\u0080', false);
+        test.canEncodeTest('\u4000', false);
+    }
+}