jdk/test/java/nio/file/Files/SkipSiblings.java
changeset 8191 c9d1e3a6d6a2
parent 8150 0a3a7198c1c8
parent 8190 c8cdf811a171
child 8195 9b0b48c4ddac
--- a/jdk/test/java/nio/file/Files/SkipSiblings.java	Tue Feb 08 14:19:54 2011 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,81 +0,0 @@
-/*
- * Copyright (c) 2008, 2010, 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 java.nio.file.*;
-import java.nio.file.attribute.*;
-import java.io.IOException;
-import java.util.*;
-
-/**
- * Unit test for Files.walkFileTree to test SKIP_SIBLINGS return value.
- */
-
-public class SkipSiblings {
-
-    static final Random rand = new Random();
-    static final Set<Path> skipped = new HashSet<Path>();
-
-    // check if this path's directory has been skipped
-    static void check(Path path) {
-        if (skipped.contains(path.getParent()))
-            throw new RuntimeException(path + " should not have been visited");
-    }
-
-    // indicates if the siblings of this path should be skipped
-    static boolean skip(Path path) {
-        Path parent = path.getParent();
-        if (parent != null && rand.nextBoolean()) {
-            skipped.add(parent);
-            return true;
-        }
-        return false;
-    }
-
-    public static void main(String[] args) throws Exception {
-        Path dir = Paths.get(args[0]);
-
-        Files.walkFileTree(dir, new SimpleFileVisitor<Path>() {
-            @Override
-            public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) {
-                check(dir);
-                if (skip(dir))
-                    return FileVisitResult.SKIP_SIBLINGS;
-                return FileVisitResult.CONTINUE;
-            }
-            @Override
-            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
-                check(file);
-                if (skip(file))
-                    return FileVisitResult.SKIP_SIBLINGS;
-                return FileVisitResult.CONTINUE;
-            }
-            @Override
-            public FileVisitResult postVisitDirectory(Path dir, IOException x) {
-                if (x != null)
-                    throw new RuntimeException(x);
-                check(dir);
-                return FileVisitResult.CONTINUE;
-            }
-        });
-    }
-}