| /* |
| * 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 8005566 8032220 |
| * @summary Unit test for miscellenous methods in java.nio.file.Files |
| * @library .. |
| */ |
| |
| import java.nio.file.*; |
| import static java.nio.file.Files.*; |
| import static java.nio.file.LinkOption.*; |
| import java.nio.file.attribute.*; |
| import java.io.IOException; |
| import java.util.*; |
| |
| public class Misc { |
| |
| public static void main(String[] args) throws IOException { |
| Path dir = TestUtil.createTemporaryDirectory(); |
| try { |
| testCreateDirectories(dir); |
| testIsHidden(dir); |
| testIsSameFile(dir); |
| testFileTypeMethods(dir); |
| testAccessMethods(dir); |
| } finally { |
| TestUtil.removeAll(dir); |
| } |
| } |
| |
| /** |
| * Tests createDirectories |
| */ |
| static void testCreateDirectories(Path tmpdir) throws IOException { |
| // a no-op |
| createDirectories(tmpdir); |
| |
| // create one directory |
| Path subdir = tmpdir.resolve("a"); |
| createDirectories(subdir); |
| assertTrue(exists(subdir)); |
| |
| // create parents |
| subdir = subdir.resolve("b/c/d"); |
| createDirectories(subdir); |
| assertTrue(exists(subdir)); |
| |
| // existing file is not a directory |
| Path file = createFile(tmpdir.resolve("x")); |
| try { |
| createDirectories(file); |
| throw new RuntimeException("failure expected"); |
| } catch (FileAlreadyExistsException x) { } |
| try { |
| createDirectories(file.resolve("y")); |
| throw new RuntimeException("failure expected"); |
| } catch (IOException x) { } |
| |
| // the root directory always exists |
| Path root = Paths.get("/"); |
| Files.createDirectories(root); |
| Files.createDirectories(root.toAbsolutePath()); |
| } |
| |
| /** |
| * Tests isHidden |
| */ |
| static void testIsHidden(Path tmpdir) throws IOException { |
| assertTrue(!isHidden(tmpdir)); |
| |
| Path file = tmpdir.resolve(".foo"); |
| if (System.getProperty("os.name").startsWith("Windows")) { |
| createFile(file); |
| try { |
| setAttribute(file, "dos:hidden", true); |
| try { |
| assertTrue(isHidden(file)); |
| } finally { |
| setAttribute(file, "dos:hidden", false); |
| } |
| } finally { |
| delete(file); |
| } |
| } else { |
| assertTrue(isHidden(file)); |
| } |
| } |
| |
| /** |
| * Tests isSameFile |
| */ |
| static void testIsSameFile(Path tmpdir) throws IOException { |
| Path thisFile = tmpdir.resolve("thisFile"); |
| Path thatFile = tmpdir.resolve("thatFile"); |
| |
| /** |
| * Test: isSameFile for self |
| */ |
| assertTrue(isSameFile(thisFile, thisFile)); |
| |
| /** |
| * Test: Neither files exist |
| */ |
| try { |
| isSameFile(thisFile, thatFile); |
| throw new RuntimeException("IOException not thrown"); |
| } catch (IOException x) { |
| } |
| try { |
| isSameFile(thatFile, thisFile); |
| throw new RuntimeException("IOException not thrown"); |
| } catch (IOException x) { |
| } |
| |
| createFile(thisFile); |
| try { |
| /** |
| * Test: One file exists |
| */ |
| try { |
| isSameFile(thisFile, thatFile); |
| throw new RuntimeException("IOException not thrown"); |
| } catch (IOException x) { |
| } |
| try { |
| isSameFile(thatFile, thisFile); |
| throw new RuntimeException("IOException not thrown"); |
| } catch (IOException x) { |
| } |
| |
| /** |
| * Test: Both file exists |
| */ |
| createFile(thatFile); |
| try { |
| assertTrue(!isSameFile(thisFile, thatFile)); |
| assertTrue(!isSameFile(thatFile, thisFile)); |
| } finally { |
| delete(thatFile); |
| } |
| |
| /** |
| * Test: Symbolic links |
| */ |
| if (TestUtil.supportsLinks(tmpdir)) { |
| createSymbolicLink(thatFile, thisFile); |
| try { |
| assertTrue(isSameFile(thisFile, thatFile)); |
| assertTrue(isSameFile(thatFile, thisFile)); |
| } finally { |
| TestUtil.deleteUnchecked(thatFile); |
| } |
| } |
| } finally { |
| delete(thisFile); |
| } |
| |
| // nulls |
| try { |
| isSameFile(thisFile, null); |
| throw new RuntimeException("NullPointerException expected"); |
| } catch (NullPointerException ignore) { } |
| try { |
| isSameFile(null, thatFile); |
| throw new RuntimeException("NullPointerException expected"); |
| } catch (NullPointerException ignore) { } |
| } |
| |
| /** |
| * Exercise isRegularFile, isDirectory, isSymbolicLink |
| */ |
| static void testFileTypeMethods(Path tmpdir) throws IOException { |
| assertTrue(!isRegularFile(tmpdir)); |
| assertTrue(!isRegularFile(tmpdir, NOFOLLOW_LINKS)); |
| assertTrue(isDirectory(tmpdir)); |
| assertTrue(isDirectory(tmpdir, NOFOLLOW_LINKS)); |
| assertTrue(!isSymbolicLink(tmpdir)); |
| |
| Path file = createFile(tmpdir.resolve("foo")); |
| try { |
| assertTrue(isRegularFile(file)); |
| assertTrue(isRegularFile(file, NOFOLLOW_LINKS)); |
| assertTrue(!isDirectory(file)); |
| assertTrue(!isDirectory(file, NOFOLLOW_LINKS)); |
| assertTrue(!isSymbolicLink(file)); |
| |
| if (TestUtil.supportsLinks(tmpdir)) { |
| Path link = tmpdir.resolve("link"); |
| |
| createSymbolicLink(link, tmpdir); |
| try { |
| assertTrue(!isRegularFile(link)); |
| assertTrue(!isRegularFile(link, NOFOLLOW_LINKS)); |
| assertTrue(isDirectory(link)); |
| assertTrue(!isDirectory(link, NOFOLLOW_LINKS)); |
| assertTrue(isSymbolicLink(link)); |
| } finally { |
| delete(link); |
| } |
| |
| createSymbolicLink(link, file); |
| try { |
| assertTrue(isRegularFile(link)); |
| assertTrue(!isRegularFile(link, NOFOLLOW_LINKS)); |
| assertTrue(!isDirectory(link)); |
| assertTrue(!isDirectory(link, NOFOLLOW_LINKS)); |
| assertTrue(isSymbolicLink(link)); |
| } finally { |
| delete(link); |
| } |
| |
| createLink(link, file); |
| try { |
| assertTrue(isRegularFile(link)); |
| assertTrue(isRegularFile(link, NOFOLLOW_LINKS)); |
| assertTrue(!isDirectory(link)); |
| assertTrue(!isDirectory(link, NOFOLLOW_LINKS)); |
| assertTrue(!isSymbolicLink(link)); |
| } finally { |
| delete(link); |
| } |
| } |
| |
| } finally { |
| delete(file); |
| } |
| } |
| |
| /** |
| * Exercise isReadbale, isWritable, isExecutable, exists, notExists |
| */ |
| static void testAccessMethods(Path tmpdir) throws IOException { |
| // should return false when file does not exist |
| Path doesNotExist = tmpdir.resolve("doesNotExist"); |
| assertTrue(!isReadable(doesNotExist)); |
| assertTrue(!isWritable(doesNotExist)); |
| assertTrue(!isExecutable(doesNotExist)); |
| assertTrue(!exists(doesNotExist)); |
| assertTrue(notExists(doesNotExist)); |
| |
| Path file = createFile(tmpdir.resolve("foo")); |
| try { |
| // files exist |
| assertTrue(isReadable(file)); |
| assertTrue(isWritable(file)); |
| assertTrue(exists(file)); |
| assertTrue(!notExists(file)); |
| assertTrue(isReadable(tmpdir)); |
| assertTrue(isWritable(tmpdir)); |
| assertTrue(exists(tmpdir)); |
| assertTrue(!notExists(tmpdir)); |
| |
| |
| // sym link exists |
| if (TestUtil.supportsLinks(tmpdir)) { |
| Path link = tmpdir.resolve("link"); |
| |
| createSymbolicLink(link, file); |
| try { |
| assertTrue(isReadable(link)); |
| assertTrue(isWritable(link)); |
| assertTrue(exists(link)); |
| assertTrue(!notExists(link)); |
| } finally { |
| delete(link); |
| } |
| |
| createSymbolicLink(link, doesNotExist); |
| try { |
| assertTrue(!isReadable(link)); |
| assertTrue(!isWritable(link)); |
| assertTrue(!exists(link)); |
| assertTrue(exists(link, NOFOLLOW_LINKS)); |
| assertTrue(notExists(link)); |
| assertTrue(!notExists(link, NOFOLLOW_LINKS)); |
| } finally { |
| delete(link); |
| } |
| } |
| |
| /** |
| * Test: Edit ACL to deny WRITE and EXECUTE |
| */ |
| if (getFileStore(file).supportsFileAttributeView("acl")) { |
| AclFileAttributeView view = |
| getFileAttributeView(file, AclFileAttributeView.class); |
| UserPrincipal owner = view.getOwner(); |
| List<AclEntry> acl = view.getAcl(); |
| |
| // Insert entry to deny WRITE and EXECUTE |
| AclEntry entry = AclEntry.newBuilder() |
| .setType(AclEntryType.DENY) |
| .setPrincipal(owner) |
| .setPermissions(AclEntryPermission.WRITE_DATA, |
| AclEntryPermission.EXECUTE) |
| .build(); |
| acl.add(0, entry); |
| view.setAcl(acl); |
| try { |
| if (isRoot()) { |
| // root has all permissions |
| assertTrue(isWritable(file)); |
| assertTrue(isExecutable(file)); |
| } else { |
| assertTrue(!isWritable(file)); |
| assertTrue(!isExecutable(file)); |
| } |
| } finally { |
| // Restore ACL |
| acl.remove(0); |
| view.setAcl(acl); |
| } |
| } |
| |
| /** |
| * Test: Windows DOS read-only attribute |
| */ |
| if (System.getProperty("os.name").startsWith("Windows")) { |
| setAttribute(file, "dos:readonly", true); |
| try { |
| assertTrue(!isWritable(file)); |
| } finally { |
| setAttribute(file, "dos:readonly", false); |
| } |
| |
| // Read-only attribute does not make direcory read-only |
| DosFileAttributeView view = |
| getFileAttributeView(tmpdir, DosFileAttributeView.class); |
| boolean save = view.readAttributes().isReadOnly(); |
| view.setReadOnly(true); |
| try { |
| assertTrue(isWritable(file)); |
| } finally { |
| view.setReadOnly(save); |
| } |
| } |
| } finally { |
| delete(file); |
| } |
| } |
| |
| static void assertTrue(boolean okay) { |
| if (!okay) |
| throw new RuntimeException("Assertion Failed"); |
| } |
| |
| private static boolean isRoot() { |
| if (System.getProperty("os.name").startsWith("Windows")) |
| return false; |
| |
| Path passwd = Paths.get("/etc/passwd"); |
| return Files.isWritable(passwd); |
| } |
| } |
