| /* |
| * Copyright (c) 1997, 1998, 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 4027914 |
| @summary Check getParent's handling of root directories |
| */ |
| |
| import java.io.File; |
| |
| |
| public class GetParent { |
| |
| static void check(String path, String[] parents) throws Exception { |
| File f = new File(path); |
| String p; |
| System.err.print(path + ":"); |
| for (int i = 0; i < parents.length; i++) { |
| p = f.getParent(); |
| System.err.print(" (" + p + ")"); |
| if (p == null) |
| throw new Exception("No parent for " + f); |
| if (! p.equals(parents[i])) |
| throw new Exception("Wrong parent for " + f |
| + ": Expected " + parents[i] |
| + ", got " + p); |
| f = new File(p); |
| } |
| if (f.getParent() != null) |
| throw new Exception("Too many parents for " + path); |
| System.err.println(); |
| } |
| |
| static void testUnix() throws Exception { |
| check("foo", new String[] { }); |
| check("./foo", new String[] { "." }); |
| check("foo/bar/baz", new String[] { "foo/bar", "foo" }); |
| check("../../foo", new String[] { "../..", ".." }); |
| check("foo//bar", new String[] { "foo" }); |
| check("/foo/bar/baz.gorp", |
| new String[] { "/foo/bar", "/foo", "/" }); |
| } |
| |
| static void testWin32() throws Exception { |
| System.err.println("Win32"); |
| check("foo", new String[] { }); |
| check(".\\foo", new String[] { "." }); |
| check("foo\\bar\\baz", new String[] { "foo\\bar", "foo" }); |
| check("..\\..\\foo", new String[] { "..\\..", ".." }); |
| check("c:\\foo\\bar\\baz.xxx", |
| new String[] { "c:\\foo\\bar", "c:\\foo", "c:\\" }); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| if (File.separatorChar == '/') testUnix(); |
| if (File.separatorChar == '\\') testWin32(); |
| } |
| |
| } |