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.

test/jdk/java/lang/String/ICCBasher.java

@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 1998, 2002, 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 4152868
+ * @summary test Case Insensitive Comparator in String
+ * @key randomness
+ */
+
+import java.util.*;
+
+public class ICCBasher {
+
+    static final int TEST_SIZE = 20;
+    static final int STRING_SIZE = 5;
+    static final int CHAR_VALUE_LIMIT = 128;
+
+    public static void main(String[] args) throws Exception {
+        LinkedList L1 = new LinkedList();
+        LinkedList L2 = new LinkedList();
+        LinkedList L3 = new LinkedList();
+        LinkedList L4 = new LinkedList();
+
+        // First generate L1 and L2 with random lower case chars
+        //System.out.println("Generate L1 and L2");
+        Random generator = new Random();
+        int achar=0;
+        StringBuffer entryBuffer = new StringBuffer(10);
+        String snippet = null;
+        for (int x=0; x<TEST_SIZE * 2; x++) {
+            for(int y=0; y<STRING_SIZE; y++) {
+                achar = generator.nextInt(CHAR_VALUE_LIMIT);
+                char test = (char)(achar);
+                entryBuffer.append(test);
+            }
+            snippet = entryBuffer.toString();
+            snippet.toLowerCase();
+            if (x < TEST_SIZE)
+                L1.add(snippet);
+            else
+                L2.add(snippet);
+        }
+
+        // Concatenate L1 and L2 to form L3
+        //System.out.println("Generate L3");
+        for (int x=0; x<TEST_SIZE; x++) {
+            String entry = (String)L1.get(x) + (String)L2.get(x);
+            L3.add(entry);
+        }
+
+        // Randomly toUpper L1 and L2
+        //System.out.println("Modify L1 and L2");
+        for (int x=0; x<TEST_SIZE; x++) {
+            achar = generator.nextInt();
+            if (achar > 0) {
+                String mod = (String)L1.get(x);
+                mod = mod.toUpperCase();
+                L1.set(x, mod);
+            }
+            achar = generator.nextInt();
+            if (achar > 0) {
+                String mod = (String)L2.get(x);
+                mod = mod.toUpperCase();
+                L2.set(x, mod);
+            }
+        }
+
+        // Concatenate L1 and L2 to form L4
+        //System.out.println("Generate L4");
+        for (int x=0; x<TEST_SIZE; x++) {
+            String entry = (String)L1.get(x) + (String)L2.get(x);
+            L4.add(entry);
+        }
+
+        // Sort L3 and L4 using case insensitive comparator
+        //System.out.println("Sort L3 and L4");
+        Collections.sort(L3, String.CASE_INSENSITIVE_ORDER);
+        Collections.sort(L4, String.CASE_INSENSITIVE_ORDER);
+
+        // Check to see that order of L3 and L4 are identical
+        // ignoring case considerations
+        //System.out.println("Check order of L3 and L4");
+        for (int x=0; x<TEST_SIZE; x++) {
+            String one = (String)L3.get(x);
+            String two = (String)L4.get(x);
+            if (!one.equalsIgnoreCase(two))
+                throw new RuntimeException("Case Insensitive Sort Failure.");
+        }
+
+    }
+}