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/Character/UnicodeCasingTest.java
+++ b/test/jdk/java/lang/Character/UnicodeCasingTest.java
@ -0,0 +1,175 @@
+/*
+ * Copyright (c) 2018, 2022, 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 4397357 6565620 6959267 8032446 8072600 8221431
+ * @summary Confirm normal case mappings are handled correctly.
+ * @library /lib/testlibrary/java/lang
+ * @run main/timeout=200 UnicodeCasingTest
+ */
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+public class UnicodeCasingTest {
+
+    private static boolean err = false;
+
+    // Locales which are used for testing
+    private static List<Locale> locales = new ArrayList<>();
+    static {
+        locales.add(Locale.of("az"));
+        locales.addAll(java.util.Arrays.asList(Locale.getAvailableLocales()));
+    }
+
+
+    public static void main(String[] args) {
+        UnicodeCasingTest specialCasingTest = new UnicodeCasingTest();
+        specialCasingTest.test();
+    }
+
+    private void test() {
+        Locale defaultLocale = Locale.getDefault();
+
+        BufferedReader in = null;
+
+        try {
+            File file = UCDFiles.UNICODE_DATA.toFile();
+
+            int locale_num = locales.size();
+            for (int l = 0; l < locale_num; l++) {
+                Locale locale = locales.get(l);
+                Locale.setDefault(locale);
+                System.out.println("Testing on " + locale + " locale....");
+
+                in = new BufferedReader(new FileReader(file));
+
+                String line;
+                while ((line = in.readLine()) != null) {
+                    if (line.length() == 0 || line.charAt(0) == '#') {
+                        continue;
+                    }
+
+                    test(line);
+                }
+
+                in.close();
+                in = null;
+            }
+        }
+        catch (Exception e) {
+            err = true;
+            e.printStackTrace();
+        }
+        finally {
+            if (in != null) {
+                try {
+                    in.close();
+                }
+                catch (Exception e) {
+                }
+            }
+
+            Locale.setDefault(defaultLocale);
+
+            if (err) {
+                throw new RuntimeException("UnicodeCasingTest failed.");
+            } else {
+                System.out.println("UnicodeCasingTest passed.");
+            }
+        }
+    }
+
+    private void test(String line) {
+        String[] fields = line.split(";", 15);
+        int orig = convert(fields[0]);
+
+        if (fields[12].length() != 0) {
+            testUpperCase(orig, convert(fields[12]));
+        } else {
+            testUpperCase(orig, orig);
+        }
+
+        if (fields[13].length() != 0) {
+            testLowerCase(orig, convert(fields[13]));
+        } else {
+            testLowerCase(orig, orig);
+        }
+
+        if (fields[14].length() != 0) {
+            testTitleCase(orig, convert(fields[14]));
+        } else {
+            testTitleCase(orig, orig);
+        }
+    }
+
+    private void testUpperCase(int orig, int expected) {
+        int got = Character.toUpperCase(orig);
+
+        if (expected != got) {
+            err = true;
+            System.err.println("toUpperCase(" +
+                ") failed.\n\tOriginal: " + toString(orig) +
+                "\n\tGot:      " + toString(got) +
+                "\n\tExpected: " + toString(expected));
+        }
+    }
+
+    private void testLowerCase(int orig, int expected) {
+        int got = Character.toLowerCase(orig);
+
+        if (expected != got) {
+            err = true;
+            System.err.println("toLowerCase(" +
+                ") failed.\n\tOriginal: " + toString(orig) +
+                "\n\tGot:      " + toString(got) +
+                "\n\tExpected: " + toString(expected));
+        }
+    }
+
+    private void testTitleCase(int orig, int expected) {
+        int got = Character.toTitleCase(orig);
+
+        if (expected != got) {
+            err = true;
+            System.err.println("toTitleCase(" +
+                ") failed.\n\tOriginal: " + toString(orig) +
+                "\n\tGot:      " + toString(got) +
+                "\n\tExpected: " + toString(expected));
+        }
+    }
+
+    private int convert(String str) {
+        return Integer.parseInt(str, 16);
+    }
+
+    private String toString(int i) {
+        return Integer.toHexString(i).toUpperCase();
+    }
+
+}