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/io/File/IsHidden.java
+++ b/test/jdk/java/io/File/IsHidden.java
@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 1998, 2013, 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 4131223 6470354
+   @summary Basic test for isHidden method
+ */
+
+import java.io.*;
+import java.nio.file.Files;
+import java.nio.file.attribute.DosFileAttributeView;
+
+public class IsHidden {
+
+    private static String dir = System.getProperty("test.dir", ".");
+
+    private static void ck(String path, boolean ans) throws Exception {
+        File f = new File(path);
+        boolean x = f.isHidden();
+        if (x != ans)
+            throw new Exception(path + ": expected " + ans + ", got " + x);
+        System.err.println(path + " ==> " + x);
+    }
+
+    private static void setHidden(File f, boolean value) throws IOException {
+        Files.getFileAttributeView(f.toPath(), DosFileAttributeView.class).setHidden(value);
+    }
+
+    private static void checkHidden(File f) {
+        if (!f.isHidden())
+            throw new RuntimeException(f + " should be hidden");
+    }
+
+    private static void testWin32() throws Exception {
+        File f = new File(dir, "test");
+        f.deleteOnExit();
+        f.createNewFile();
+        setHidden(f, true);
+        try {
+            ck(f.getPath(), true);
+        } finally {
+            setHidden(f, false);
+        }
+        ck(".foo", false);
+        ck("foo", false);
+
+        File pagefile = new File("C:\\pagefile.sys");
+        File hiberfil = new File("C:\\hiberfil.sys");
+        if (pagefile.exists()) checkHidden(pagefile);
+        if (hiberfil.exists()) checkHidden(hiberfil);
+    }
+
+    private static void testUnix() throws Exception {
+        ck(dir + "/IsHidden.java", false);
+        ck(dir + "/.", true);
+        ck(".", true);
+        ck("..", true);
+        ck(".foo", true);
+        ck("foo", false);
+        ck("", false);
+    }
+
+    public static void main(String[] args) throws Exception {
+        if (File.separatorChar == '\\') testWin32();
+        if (File.separatorChar == '/') testUnix();
+    }
+
+}