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/io/LineNumberReader/Skip.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 1998, 1999, 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 4091789 4173233
+ * @summary Check if LineNumberReader will skip right number of characters and
+ *          also check for negative values
+ */
+
+import java.io.*;
+
+public class Skip {
+
+    public static void main(String[] args) throws Exception {
+
+        int linenum = 0;
+        long nchars = 164 * 50;
+
+        File f = new File(System.getProperty("test.src", "."),
+            "SkipInput.txt");
+        LineNumberReader reader = new LineNumberReader(new FileReader(f));
+
+        boolean testFailed = false;
+        try {
+            reader.skip(-10);
+            testFailed = true;
+        } catch (IllegalArgumentException e) {
+        }
+        catch (Exception e) {
+            testFailed = true;
+        }
+        if (testFailed)
+            throw new Exception("Failed test: Negative value for skip()");
+
+        long realnum = reader.skip(nchars);
+        linenum = reader.getLineNumber();
+
+        if (linenum != 164) {
+            throw new Exception("Failed test: Should skip 164, really skipped "
+                                + linenum + "lines");
+        }
+    }
+}