FileAttributes.java revision 3909
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro/*
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro *
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * This code is free software; you can redistribute it and/or modify it
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * under the terms of the GNU General Public License version 2 only, as
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * published by the Free Software Foundation.
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro *
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * This code is distributed in the hope that it will be useful, but WITHOUT
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * version 2 for more details (a copy is included in the LICENSE file that
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * accompanied this code).
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro *
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * You should have received a copy of the GNU General Public License version
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06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro *
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * questions.
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro */
870e5f5a88924152aec599e51ebb5ebbb899560evenki
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro/* @test
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * @bug 4313887 6838333 7017446
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * @summary Unit test for java.nio.file.Files
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * @library ..
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro */
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloroimport java.nio.file.*;
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloroimport java.nio.file.attribute.*;
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloroimport java.io.IOException;
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloroimport java.util.*;
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloroimport java.util.concurrent.TimeUnit;
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro/**
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro * Exercises getAttribute/setAttribute/readAttributes methods.
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro */
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloropublic class FileAttributes {
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro static void assertTrue(boolean okay) {
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro if (!okay)
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro throw new RuntimeException("Assertion Failed");
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro }
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro static void checkEqual(Object o1, Object o2) {
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro if (o1 == null) {
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro assertTrue(o2 == null);
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro } else {
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro assertTrue (o1.equals(o2));
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro }
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro }
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro // checks that two time values are within 1s of each other
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro static void checkNearEqual(FileTime t1, FileTime t2) {
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro long diff = Math.abs(t1.toMillis() - t2.toMillis());
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro assertTrue(diff <= 1000);
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro }
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro // Exercise getAttribute/setAttribute/readAttributes on basic attributes
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro static void checkBasicAttributes(Path file, BasicFileAttributes attrs)
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro throws IOException
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro {
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro // getAttribute
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro checkEqual(attrs.size(), Files.getAttribute(file, "size"));
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro checkEqual(attrs.lastModifiedTime(), Files.getAttribute(file, "basic:lastModifiedTime"));
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro checkEqual(attrs.lastAccessTime(), Files.getAttribute(file, "lastAccessTime"));
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro checkEqual(attrs.creationTime(), Files.getAttribute(file, "basic:creationTime"));
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro assertTrue((Boolean)Files.getAttribute(file, "isRegularFile"));
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro assertTrue(!(Boolean)Files.getAttribute(file, "basic:isDirectory"));
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro assertTrue(!(Boolean)Files.getAttribute(file, "isSymbolicLink"));
870e5f5a88924152aec599e51ebb5ebbb899560evenki assertTrue(!(Boolean)Files.getAttribute(file, "basic:isOther"));
870e5f5a88924152aec599e51ebb5ebbb899560evenki checkEqual(attrs.fileKey(), Files.getAttribute(file, "basic:fileKey"));
870e5f5a88924152aec599e51ebb5ebbb899560evenki
870e5f5a88924152aec599e51ebb5ebbb899560evenki // setAttribute
870e5f5a88924152aec599e51ebb5ebbb899560evenki FileTime modTime = attrs.lastModifiedTime();
870e5f5a88924152aec599e51ebb5ebbb899560evenki Files.setAttribute(file, "basic:lastModifiedTime", FileTime.fromMillis(0L));
870e5f5a88924152aec599e51ebb5ebbb899560evenki checkEqual(Files.getLastModifiedTime(file),
870e5f5a88924152aec599e51ebb5ebbb899560evenki FileTime.fromMillis(0L));
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro Files.setAttribute(file, "lastModifiedTime", modTime);
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro checkEqual(Files.getLastModifiedTime(file), modTime);
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro Map<String,Object> map;
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro map = Files.readAttributes(file, "*");
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro assertTrue(map.size() >= 9);
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro checkEqual(attrs.isRegularFile(), map.get("isRegularFile")); // check one
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro map = Files.readAttributes(file, "basic:*");
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro assertTrue(map.size() >= 9);
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro checkEqual(attrs.lastAccessTime(), map.get("lastAccessTime")); // check one
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro map = Files.readAttributes(file, "size,lastModifiedTime");
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro assertTrue(map.size() == 2);
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro checkEqual(attrs.size(), map.get("size"));
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro checkEqual(attrs.lastModifiedTime(), map.get("lastModifiedTime"));
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro }
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro // Exercise getAttribute/setAttribute/readAttributes on posix attributes
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro static void checkPosixAttributes(Path file, PosixFileAttributes attrs)
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro throws IOException
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro {
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro checkBasicAttributes(file, attrs);
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro
06e46062ef4f5f4b687cbafb4518fb123fe23920jbeloro // getAttribute
checkEqual(attrs.permissions(), Files.getAttribute(file, "posix:permissions"));
checkEqual(attrs.owner(), Files.getAttribute(file, "posix:owner"));
checkEqual(attrs.group(), Files.getAttribute(file, "posix:group"));
// setAttribute
Set<PosixFilePermission> orig = attrs.permissions();
Set<PosixFilePermission> newPerms = new HashSet<>(orig);
newPerms.remove(PosixFilePermission.OTHERS_READ);
newPerms.remove(PosixFilePermission.OTHERS_WRITE);
newPerms.remove(PosixFilePermission.OTHERS_EXECUTE);
Files.setAttribute(file, "posix:permissions", newPerms);
checkEqual(Files.getPosixFilePermissions(file), newPerms);
Files.setAttribute(file, "posix:permissions", orig);
checkEqual(Files.getPosixFilePermissions(file), orig);
Files.setAttribute(file, "posix:owner", attrs.owner());
Files.setAttribute(file, "posix:group", attrs.group());
// readAttributes
Map<String,Object> map;
map = Files.readAttributes(file, "posix:*");
assertTrue(map.size() >= 12);
checkEqual(attrs.permissions(), map.get("permissions")); // check one
map = Files.readAttributes(file, "posix:size,owner");
assertTrue(map.size() == 2);
checkEqual(attrs.size(), map.get("size"));
checkEqual(attrs.owner(), map.get("owner"));
}
// Exercise getAttribute/readAttributes on unix attributes
static void checkUnixAttributes(Path file) throws IOException {
// getAttribute
int mode = (Integer)Files.getAttribute(file, "unix:mode");
long ino = (Long)Files.getAttribute(file, "unix:ino");
long dev = (Long)Files.getAttribute(file, "unix:dev");
long rdev = (Long)Files.getAttribute(file, "unix:rdev");
int nlink = (Integer)Files.getAttribute(file, "unix:nlink");
int uid = (Integer)Files.getAttribute(file, "unix:uid");
int gid = (Integer)Files.getAttribute(file, "unix:gid");
FileTime ctime = (FileTime)Files.getAttribute(file, "unix:ctime");
// readAttributes
Map<String,Object> map;
map = Files.readAttributes(file, "unix:*");
assertTrue(map.size() >= 20);
map = Files.readAttributes(file, "unix:size,uid,gid");
assertTrue(map.size() == 3);
checkEqual(map.get("size"),
Files.readAttributes(file, BasicFileAttributes.class).size());
}
// Exercise getAttribute/setAttribute on dos attributes
static void checkDosAttributes(Path file, DosFileAttributes attrs)
throws IOException
{
checkBasicAttributes(file, attrs);
// getAttribute
checkEqual(attrs.isReadOnly(), Files.getAttribute(file, "dos:readonly"));
checkEqual(attrs.isHidden(), Files.getAttribute(file, "dos:hidden"));
checkEqual(attrs.isSystem(), Files.getAttribute(file, "dos:system"));
checkEqual(attrs.isArchive(), Files.getAttribute(file, "dos:archive"));
// setAttribute
boolean value;
value = attrs.isReadOnly();
Files.setAttribute(file, "dos:readonly", !value);
checkEqual(Files.readAttributes(file, DosFileAttributes.class).isReadOnly(), !value);
Files.setAttribute(file, "dos:readonly", value);
checkEqual(Files.readAttributes(file, DosFileAttributes.class).isReadOnly(), value);
value = attrs.isHidden();
Files.setAttribute(file, "dos:hidden", !value);
checkEqual(Files.readAttributes(file, DosFileAttributes.class).isHidden(), !value);
Files.setAttribute(file, "dos:hidden", value);
checkEqual(Files.readAttributes(file, DosFileAttributes.class).isHidden(), value);
value = attrs.isSystem();
Files.setAttribute(file, "dos:system", !value);
checkEqual(Files.readAttributes(file, DosFileAttributes.class).isSystem(), !value);
Files.setAttribute(file, "dos:system", value);
checkEqual(Files.readAttributes(file, DosFileAttributes.class).isSystem(), value);
value = attrs.isArchive();
Files.setAttribute(file, "dos:archive", !value);
checkEqual(Files.readAttributes(file, DosFileAttributes.class).isArchive(), !value);
Files.setAttribute(file, "dos:archive", value);
checkEqual(Files.readAttributes(file, DosFileAttributes.class).isArchive(), value);
// readAttributes
Map<String,Object> map;
map = Files.readAttributes(file, "dos:*");
assertTrue(map.size() >= 13);
checkEqual(attrs.isReadOnly(), map.get("readonly")); // check one
map = Files.readAttributes(file, "dos:size,hidden");
assertTrue(map.size() == 2);
checkEqual(attrs.size(), map.get("size"));
checkEqual(attrs.isHidden(), map.get("hidden"));
}
static void checkBadSet(Path file, String attribute, Object value)
throws IOException
{
try {
Files.setAttribute(file, attribute, 0);
throw new RuntimeException("IllegalArgumentException expected");
} catch (IllegalArgumentException ignore) { }
}
static void checkBadGet(Path file, String attribute) throws IOException {
try {
Files.getAttribute(file, attribute);
throw new RuntimeException("IllegalArgumentException expected");
} catch (IllegalArgumentException ignore) { }
}
static void checkBadRead(Path file, String attribute) throws IOException {
try {
Files.readAttributes(file, attribute);
throw new RuntimeException("IllegalArgumentException expected");
} catch (IllegalArgumentException ignore) { }
}
static void miscTests(Path file) throws IOException {
// unsupported views
try {
Files.setAttribute(file, "foo:bar", 0);
throw new RuntimeException("UnsupportedOperationException expected");
} catch (UnsupportedOperationException ignore) { }
try {
Files.getAttribute(file, "foo:bar");
throw new RuntimeException("UnsupportedOperationException expected");
} catch (UnsupportedOperationException ignore) { }
try {
Files.readAttributes(file, "foo:*");
throw new RuntimeException("UnsupportedOperationException expected");
} catch (UnsupportedOperationException ignore) { }
// bad args
checkBadSet(file, "", 0);
checkBadSet(file, "basic:", 0);
checkBadSet(file, "basic:foobar", 0);
checkBadGet(file, "");
checkBadGet(file, "basic:");
checkBadGet(file, "basic:foobar");
checkBadGet(file, "basic:size,lastModifiedTime");
checkBadGet(file, "basic:*");
checkBadRead(file, "");
checkBadRead(file, "basic:");
checkBadRead(file, "basic:foobar");
checkBadRead(file, "basic:size,foobar");
// nulls
try {
Files.getAttribute(file, null);
throw new RuntimeException("NullPointerException expected");
} catch (NullPointerException npe) { }
try {
Files.getAttribute(file, "isRegularFile", (LinkOption[])null);
throw new RuntimeException("NullPointerException expected");
} catch (NullPointerException npe) { }
try {
Files.setAttribute(file, null, 0L);
throw new RuntimeException("NullPointerException expected");
} catch (NullPointerException npe) { }
}
static void doTests(Path dir) throws IOException {
Path file = dir.resolve("foo");
Files.createFile(file);
FileStore store = Files.getFileStore(file);
try {
checkBasicAttributes(file,
Files.readAttributes(file, BasicFileAttributes.class));
if (store.supportsFileAttributeView("posix"))
checkPosixAttributes(file,
Files.readAttributes(file, PosixFileAttributes.class));
if (store.supportsFileAttributeView("unix"))
checkUnixAttributes(file);
if (store.supportsFileAttributeView("dos"))
checkDosAttributes(file,
Files.readAttributes(file, DosFileAttributes.class));
miscTests(file);
} finally {
Files.delete(file);
}
}
public static void main(String[] args) throws IOException {
Path dir = TestUtil.createTemporaryDirectory();
try {
doTests(dir);
} finally {
TestUtil.removeAll(dir);
}
}
}