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/*
* Copyright (c) 2008, 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 4313887 6838333
* @summary Unit test for java.nio.file.attribute.BasicFileAttributeView
* @library ../..
*/
import java.nio.file.*;
import java.nio.file.attribute.*;
import java.util.*;
import java.util.concurrent.TimeUnit;
import java.io.*;
public class Basic {
static void check(boolean okay, String msg) {
if (!okay)
throw new RuntimeException(msg);
}
static void checkAttributesOfDirectory(Path dir)
throws IOException
{
BasicFileAttributes attrs = Files.readAttributes(dir, BasicFileAttributes.class);
check(attrs.isDirectory(), "is a directory");
check(!attrs.isRegularFile(), "is not a regular file");
check(!attrs.isSymbolicLink(), "is not a link");
check(!attrs.isOther(), "is not other");
// last-modified-time should match java.io.File in seconds
File f = new File(dir.toString());
check(f.lastModified()/1000 == attrs.lastModifiedTime().to(TimeUnit.SECONDS),
"last-modified time should be the same");
}
static void checkAttributesOfFile(Path dir, Path file)
throws IOException
{
BasicFileAttributes attrs = Files.readAttributes(file, BasicFileAttributes.class);
check(attrs.isRegularFile(), "is a regular file");
check(!attrs.isDirectory(), "is not a directory");
check(!attrs.isSymbolicLink(), "is not a link");
check(!attrs.isOther(), "is not other");
// size and last-modified-time should match java.io.File in seconds
File f = new File(file.toString());
check(f.length() == attrs.size(), "size should be the same");
check(f.lastModified()/1000 == attrs.lastModifiedTime().to(TimeUnit.SECONDS),
"last-modified time should be the same");
// copy last-modified time from directory to file,
// re-read attribtues, and check they match
BasicFileAttributeView view =
Files.getFileAttributeView(file, BasicFileAttributeView.class);
BasicFileAttributes dirAttrs = Files.readAttributes(dir, BasicFileAttributes.class);
view.setTimes(dirAttrs.lastModifiedTime(), null, null);
attrs = view.readAttributes();
check(attrs.lastModifiedTime().equals(dirAttrs.lastModifiedTime()),
"last-modified time should be equal");
// security tests
check (!(attrs instanceof PosixFileAttributes),
"should not be able to cast to PosixFileAttributes");
}
static void checkAttributesOfLink(Path link)
throws IOException
{
BasicFileAttributes attrs =
Files.readAttributes(link, BasicFileAttributes.class, LinkOption.NOFOLLOW_LINKS);
check(attrs.isSymbolicLink(), "is a link");
check(!attrs.isDirectory(), "is a directory");
check(!attrs.isRegularFile(), "is not a regular file");
check(!attrs.isOther(), "is not other");
}
static void attributeReadWriteTests(Path dir)
throws IOException
{
// create file
Path file = dir.resolve("foo");
try (OutputStream out = Files.newOutputStream(file)) {
out.write("this is not an empty file".getBytes("UTF-8"));
}
// check attributes of directory and file
checkAttributesOfDirectory(dir);
checkAttributesOfFile(dir, file);
// symbolic links may be supported
Path link = dir.resolve("link");
try {
Files.createSymbolicLink(link, file);
} catch (UnsupportedOperationException x) {
return;
} catch (IOException x) {
return;
}
checkAttributesOfLink(link);
}
public static void main(String[] args) throws IOException {
// create temporary directory to run tests
Path dir = TestUtil.createTemporaryDirectory();
try {
attributeReadWriteTests(dir);
} finally {
TestUtil.removeAll(dir);
}
}
}
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