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/String/CompactString/EqualsIgnoreCase.java
+++ b/test/jdk/java/lang/String/CompactString/EqualsIgnoreCase.java
@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2015, 2023, 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.
+ */
+
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertFalse;
+import static org.testng.Assert.assertTrue;
+
+/*
+ * @test
+ * @bug 8077559 8248655 8302871
+ * @summary Tests Compact String. This one is for String.equalsIgnoreCase.
+ * @run testng/othervm -XX:+CompactStrings EqualsIgnoreCase
+ * @run testng/othervm -XX:-CompactStrings EqualsIgnoreCase
+ */
+
+public class EqualsIgnoreCase extends CompactString {
+
+    @DataProvider
+    public Object[][] provider() {
+        return new Object[][] {
+
+        new Object[] { STRING_EMPTY, "", true },
+                new Object[] { STRING_L1, "a", true },
+                new Object[] { STRING_L2, "aB", true },
+                new Object[] { STRING_L4, "AbCd", true },
+                new Object[] { STRING_LLONG, "aBcDeFgH", true },
+                new Object[] { STRING_U1, "\uFF41", true },
+                new Object[] { STRING_U1, "\uFF21", true },
+                new Object[] { STRING_U2, "\uFF41\uFF42", true },
+                new Object[] { STRING_U2, "\uFF41\uFF22", true },
+                new Object[] { STRING_U2, "\uFF21\uFF42", true },
+                new Object[] { STRING_M12, "\uFF41a", true },
+                new Object[] { STRING_M12, "\uFF21A", true },
+                new Object[] { STRING_M11, "a\uFF41", true },
+                new Object[] { STRING_M11, "A\uFF21", true },
+                new Object[] { STRING_SUPPLEMENTARY, STRING_SUPPLEMENTARY_LOWERCASE, true },
+
+        };
+    }
+
+    @Test(dataProvider = "provider")
+    public void testEqualsIgnoreCase(String str, String anotherString,
+            boolean expected) {
+        map.get(str)
+                .forEach(
+                        (source, data) -> {
+                            assertEquals(
+                                    data.equalsIgnoreCase(anotherString),
+                                    expected,
+                                    String.format(
+                                            "testing String(%s).equalsIgnoreCase(%s), source : %s, ",
+                                            escapeNonASCIIs(data),
+                                            escapeNonASCIIs(anotherString),
+                                            source));
+                        });
+    }
+
+    /**
+     * Exhaustively check that all 256x256 latin1 code point pairs are equalsIgnoreCased
+     * in a manner consistent with Character.toLowerCase(Character.toUpperCase(c));
+     */
+    @Test
+    public void checkConsistencyWithCharacterUppercaseLowerCase() {
+        for (char a = 0; a < 256; a++) {
+            for (char b = 0; b < 256; b++) {
+
+                int caseFoldA = Character.toLowerCase(Character.toUpperCase(a));
+                int caseFoldB = Character.toLowerCase(Character.toUpperCase(b));
+
+                String astr = Character.toString(a);
+                String bstr = Character.toString(b);
+
+                // If characters fold to the same lowercase, their strings should equalsIgnoreCase:
+                if (caseFoldA == caseFoldB) {
+                    assertTrue(astr.equalsIgnoreCase(bstr),
+                            "Expected %s to equalsIgnoreCase %s".formatted(astr, bstr));
+                } else {
+                    assertFalse(astr.equalsIgnoreCase(bstr),
+                            "Expected %s to not equalsIgnoreCase %s".formatted(astr, bstr));
+                }
+            }
+        }
+    }
+}