1/*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 8013827 8011950 8017212 8025128
27 * @summary Check whether File.createTempFile can handle special parameters
28 * @author Dan Xu
29 */
30
31import java.io.File;
32import java.io.IOException;
33import java.nio.file.Files;
34import java.nio.file.Path;
35import java.nio.file.Paths;
36
37public class SpecialTempFile {
38
39    private static void test(String name, String[] prefix, String[] suffix,
40                             boolean exceptionExpected) throws IOException
41    {
42        if (prefix == null || suffix == null
43            || prefix.length != suffix.length)
44        {
45            return;
46        }
47
48        final String exceptionMsg = "Unable to create temporary file";
49        String[] dirs = { null, "." };
50
51        Path testPath = Paths.get(System.getProperty("test.dir", "."));
52        for (int i = 0; i < prefix.length; i++) {
53            boolean exceptionThrown = false;
54            File f = null;
55
56            for (String dir: dirs) {
57                Path tempDir = Files.createTempDirectory(testPath, dir);
58                System.out.println("In test " + name +
59                                   ", creating temp file with prefix, " +
60                                   prefix[i] + ", suffix, " + suffix[i] +
61                                   ", in dir, " + tempDir);
62
63                try {
64                    f = File.createTempFile(prefix[i], suffix[i],
65                        tempDir.toFile());
66                } catch (IOException e) {
67                    if (exceptionExpected) {
68                        if (e.getMessage().startsWith(exceptionMsg))
69                            exceptionThrown = true;
70                        else
71                            System.out.println("Wrong error message:" +
72                                               e.getMessage());
73                    } else {
74                        throw e;
75                    }
76                }
77
78                if (exceptionExpected && (!exceptionThrown || f != null))
79                    throw new RuntimeException("IOException is expected");
80            }
81        }
82    }
83
84    public static void main(String[] args) throws Exception {
85        // Common test
86        final String name = "SpecialTempFile";
87        String[] nulPre = { name + "\u0000" };
88        String[] nulSuf = { ".test" };
89        test("NulName", nulPre, nulSuf, true);
90
91        // Test JDK-8025128
92        String[] goodPre = { "///..///", "/foo" };
93        String[] goodSuf = { ".temp", ".tmp" };
94        test("goodName", goodPre, goodSuf, false);
95
96        // Test JDK-8011950
97        String[] slashPre = { "temp", "///..///", "/foo" };
98        String[] slashSuf = { "///..///..", "///..///..", "///..///.." };
99        test("SlashedName", slashPre, slashSuf, true);
100
101        // Windows tests
102        if (!System.getProperty("os.name").startsWith("Windows"))
103            return;
104
105        // Test JDK-8013827
106        String[] resvPre = { "LPT1.package.zip", "com7.4.package.zip" };
107        String[] resvSuf = { ".temp", ".temp" };
108        test("ReservedName", resvPre, resvSuf, true);
109    }
110}
111