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/* @test
* @bug 4313887 6838333
* @summary Unit test for java.nio.file.SecureDirectoryStream
* @library ..
*/
import java.nio.file.*;
import static java.nio.file.StandardOpenOption.*;
import static java.nio.file.LinkOption.*;
import java.nio.file.attribute.*;
import java.nio.channels.*;
import java.io.IOException;
import java.util.*;
public class SecureDS {
static boolean supportsLinks;
public static void main(String[] args) throws IOException {
Path dir = TestUtil.createTemporaryDirectory();
try {
DirectoryStream<Path> stream = dir.newDirectoryStream();
stream.close();
if (!(stream instanceof SecureDirectoryStream)) {
System.out.println("SecureDirectoryStream not supported.");
return;
}
supportsLinks = TestUtil.supportsLinks(dir);
// run tests
doBasicTests(dir);
doMoveTests(dir);
miscTests(dir);
} finally {
TestUtil.removeAll(dir);
}
}
// Exercise each of SecureDirectoryStream's method (except move)
static void doBasicTests(Path dir) throws IOException {
Path dir1 = dir.resolve("dir1").createDirectory();
Path dir2 = dir.resolve("dir2");
// create a file, directory, and two sym links in the directory
Path fileEntry = Paths.get("myfile");
dir1.resolve(fileEntry).createFile();
Path dirEntry = Paths.get("mydir");
dir1.resolve(dirEntry).createDirectory();
// myfilelink -> myfile
Path link1Entry = Paths.get("myfilelink");
if (supportsLinks)
dir1.resolve(link1Entry).createSymbolicLink(fileEntry);
// mydirlink -> mydir
Path link2Entry = Paths.get("mydirlink");
if (supportsLinks)
dir1.resolve(link2Entry).createSymbolicLink(dirEntry);
// open directory and then move it so that it is no longer accessible
// via its original path.
SecureDirectoryStream<Path> stream =
(SecureDirectoryStream<Path>)dir1.newDirectoryStream();
dir1.moveTo(dir2);
// Test: iterate over all entries
int count = 0;
for (Path entry: stream) { count++; }
assertTrue(count == (supportsLinks ? 4 : 2));
// Test: getFileAttributeView to access directory's attributes
assertTrue(stream
.getFileAttributeView(BasicFileAttributeView.class)
.readAttributes()
.isDirectory());
// Test: getFileAttributeView to access attributes of entries
assertTrue(stream
.getFileAttributeView(fileEntry, BasicFileAttributeView.class)
.readAttributes()
.isRegularFile());
assertTrue(stream
.getFileAttributeView(fileEntry, BasicFileAttributeView.class, NOFOLLOW_LINKS)
.readAttributes()
.isRegularFile());
assertTrue(stream
.getFileAttributeView(dirEntry, BasicFileAttributeView.class)
.readAttributes()
.isDirectory());
assertTrue(stream
.getFileAttributeView(dirEntry, BasicFileAttributeView.class, NOFOLLOW_LINKS)
.readAttributes()
.isDirectory());
if (supportsLinks) {
assertTrue(stream
.getFileAttributeView(link1Entry, BasicFileAttributeView.class)
.readAttributes()
.isRegularFile());
assertTrue(stream
.getFileAttributeView(link1Entry, BasicFileAttributeView.class, NOFOLLOW_LINKS)
.readAttributes()
.isSymbolicLink());
assertTrue(stream
.getFileAttributeView(link2Entry, BasicFileAttributeView.class)
.readAttributes()
.isDirectory());
assertTrue(stream
.getFileAttributeView(link2Entry, BasicFileAttributeView.class, NOFOLLOW_LINKS)
.readAttributes()
.isSymbolicLink());
}
// Test: newByteChannel
Set<StandardOpenOption> opts = Collections.emptySet();
stream.newByteChannel(fileEntry, opts).close();
if (supportsLinks) {
stream.newByteChannel(link1Entry, opts).close();
try {
Set<OpenOption> mixed = new HashSet<OpenOption>();
mixed.add(READ);
mixed.add(NOFOLLOW_LINKS);
stream.newByteChannel(link1Entry, mixed).close();
shouldNotGetHere();
} catch (IOException x) { }
}
// Test: newDirectoryStream
stream.newDirectoryStream(dirEntry).close();
stream.newDirectoryStream(dirEntry, LinkOption.NOFOLLOW_LINKS).close();
if (supportsLinks) {
stream.newDirectoryStream(link2Entry).close();
try {
stream.newDirectoryStream(link2Entry, LinkOption.NOFOLLOW_LINKS)
.close();
shouldNotGetHere();
} catch (IOException x) { }
}
// Test: delete
if (supportsLinks) {
stream.deleteFile(link1Entry);
stream.deleteFile(link2Entry);
}
stream.deleteDirectory(dirEntry);
stream.deleteFile(fileEntry);
// clean-up
stream.close();
dir2.delete();
}
// Exercise SecureDirectoryStream's move method
static void doMoveTests(Path dir) throws IOException {
Path dir1 = dir.resolve("dir1").createDirectory();
Path dir2 = dir.resolve("dir2").createDirectory();
// create dir1/myfile, dir1/mydir, dir1/mylink
Path fileEntry = Paths.get("myfile");
dir1.resolve(fileEntry).createFile();
Path dirEntry = Paths.get("mydir");
dir1.resolve(dirEntry).createDirectory();
Path linkEntry = Paths.get("mylink");
if (supportsLinks)
dir1.resolve(linkEntry).createSymbolicLink(Paths.get("missing"));
// target name
Path target = Paths.get("newfile");
// open stream to both directories
SecureDirectoryStream<Path> stream1 =
(SecureDirectoryStream<Path>)dir1.newDirectoryStream();
SecureDirectoryStream<Path> stream2 =
(SecureDirectoryStream<Path>)dir2.newDirectoryStream();
// Test: move dir1/myfile -> dir2/newfile
stream1.move(fileEntry, stream2, target);
assertTrue(dir1.resolve(fileEntry).notExists());
assertTrue(dir2.resolve(target).exists());
stream2.deleteFile(target);
// Test: move dir1/mydir -> dir2/newfile
stream1.move(dirEntry, stream2, target);
assertTrue(dir1.resolve(dirEntry).notExists());
assertTrue(dir2.resolve(target).exists());
stream2.deleteDirectory(target);
// Test: move dir1/mylink -> dir2/newfile
if (supportsLinks) {
stream1.move(linkEntry, stream2, target);
assertTrue(dir2.resolve(target)
.getFileAttributeView(BasicFileAttributeView.class, NOFOLLOW_LINKS)
.readAttributes()
.isSymbolicLink());
stream2.deleteFile(target);
}
// Test: move between devices
String testDirAsString = System.getProperty("test.dir");
if (testDirAsString != null) {
Path testDir = Paths.get(testDirAsString);
if (!dir1.getFileStore().equals(testDir.getFileStore())) {
SecureDirectoryStream<Path> ts =
(SecureDirectoryStream<Path>)testDir.newDirectoryStream();
dir1.resolve(fileEntry).createFile();
try {
stream1.move(fileEntry, ts, target);
shouldNotGetHere();
} catch (AtomicMoveNotSupportedException x) { }
ts.close();
stream1.deleteFile(fileEntry);
}
}
// clean-up
dir1.delete();
dir2.delete();
}
// null and ClosedDirectoryStreamException
static void miscTests(Path dir) throws IOException {
Path file = Paths.get("file");
dir.resolve(file).createFile();
SecureDirectoryStream<Path> stream =
(SecureDirectoryStream<Path>)dir.newDirectoryStream();
// NullPointerException
try {
stream.getFileAttributeView(null);
shouldNotGetHere();
} catch (NullPointerException x) { }
try {
stream.getFileAttributeView(null, BasicFileAttributeView.class);
shouldNotGetHere();
} catch (NullPointerException x) { }
try {
stream.getFileAttributeView(file, null);
shouldNotGetHere();
} catch (NullPointerException x) { }
try {
stream.newByteChannel(null, EnumSet.of(CREATE,WRITE));
shouldNotGetHere();
} catch (NullPointerException x) { }
try {
stream.newByteChannel(null, EnumSet.of(CREATE,WRITE,null));
shouldNotGetHere();
} catch (NullPointerException x) { }
try {
stream.newByteChannel(file, null);
shouldNotGetHere();
} catch (NullPointerException x) { }
try {
stream.move(null, stream, file);
shouldNotGetHere();
} catch (NullPointerException x) { }
try {
stream.move(file, null, file);
shouldNotGetHere();
} catch (NullPointerException x) { }
try {
stream.move(file, stream, null);
shouldNotGetHere();
} catch (NullPointerException x) { }
try {
stream.newDirectoryStream(null);
shouldNotGetHere();
} catch (NullPointerException x) { }
try {
stream.deleteFile(null);
shouldNotGetHere();
} catch (NullPointerException x) { }
try {
stream.deleteDirectory(null);
shouldNotGetHere();
} catch (NullPointerException x) { }
// close stream
stream.close();
stream.close(); // should be no-op
// ClosedDirectoryStreamException
try {
stream.newDirectoryStream(file);
shouldNotGetHere();
} catch (ClosedDirectoryStreamException x) { }
try {
stream.newByteChannel(file, EnumSet.of(READ));
shouldNotGetHere();
} catch (ClosedDirectoryStreamException x) { }
try {
stream.move(file, stream, file);
shouldNotGetHere();
} catch (ClosedDirectoryStreamException x) { }
try {
stream.deleteFile(file);
shouldNotGetHere();
} catch (ClosedDirectoryStreamException x) { }
// clean-up
dir.resolve(file).delete();
}
static void assertTrue(boolean b) {
if (!b) throw new RuntimeException("Assertion failed");
}
static void shouldNotGetHere() {
assertTrue(false);
}
}