--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/nio/file/attribute/UserDefinedFileAttributeView/Basic.java Sun Feb 15 12:25:54 2009 +0000
@@ -0,0 +1,273 @@
+/*
+ * Copyright 2008-2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/* @test
+ * @bug 4313887
+ * @summary Unit test for java.nio.file.attribute.UserDefinedFileAttributeView
+ * @library ../..
+ */
+
+import java.nio.ByteBuffer;
+import java.nio.charset.Charset;
+import java.nio.file.*;
+import static java.nio.file.LinkOption.*;
+import java.nio.file.attribute.*;
+import java.util.Arrays;
+import java.util.Map;
+import java.util.Random;
+import java.io.IOException;
+
+public class Basic {
+
+ private static Random rand = new Random();
+
+ private static final String ATTR_NAME = "mime_type";
+ private static final String ATTR_VALUE = "text/plain";
+ private static final String ATTR_VALUE2 = "text/html";
+
+ static interface Task {
+ void run() throws Exception;
+ }
+
+ static void tryCatch(Class<? extends Throwable> ex, Task task) {
+ boolean caught = false;
+ try {
+ task.run();
+ } catch (Throwable x) {
+ if (ex.isAssignableFrom(x.getClass())) {
+ caught = true;
+ } else {
+ throw new RuntimeException(x);
+ }
+ }
+ if (!caught)
+ throw new RuntimeException(ex.getName() + " expected");
+ }
+
+ static void expectNullPointerException(Task task) {
+ tryCatch(NullPointerException.class, task);
+ }
+
+ static boolean hasAttribute(UserDefinedFileAttributeView view, String attr)
+ throws IOException
+ {
+ for (String name: view.list()) {
+ if (name.equals(ATTR_NAME))
+ return true;
+ }
+ return false;
+ }
+
+ static void test(Path file, LinkOption... options) throws IOException {
+ final UserDefinedFileAttributeView view = file
+ .getFileAttributeView(UserDefinedFileAttributeView.class, options);
+ ByteBuffer buf = rand.nextBoolean() ?
+ ByteBuffer.allocate(100) : ByteBuffer.allocateDirect(100);
+
+ // Test: write
+ buf.put(ATTR_VALUE.getBytes()).flip();
+ int size = buf.remaining();
+ int nwrote = view.write(ATTR_NAME, buf);
+ if (nwrote != size)
+ throw new RuntimeException("Unexpected number of bytes written");
+
+ // Test: size
+ if (view.size(ATTR_NAME) != size)
+ throw new RuntimeException("Unexpected size");
+
+ // Test: read
+ buf.clear();
+ int nread = view.read(ATTR_NAME, buf);
+ if (nread != size)
+ throw new RuntimeException("Unexpected number of bytes read");
+ buf.flip();
+ String value = Charset.defaultCharset().decode(buf).toString();
+ if (!value.equals(ATTR_VALUE))
+ throw new RuntimeException("Unexpected attribute value");
+
+ // Test: read with insufficient space
+ tryCatch(IOException.class, new Task() {
+ public void run() throws IOException {
+ view.read(ATTR_NAME, ByteBuffer.allocateDirect(1));
+ }});
+
+ // Test: replace value
+ buf.clear();
+ buf.put(ATTR_VALUE2.getBytes()).flip();
+ size = buf.remaining();
+ view.write(ATTR_NAME, buf);
+ if (view.size(ATTR_NAME) != size)
+ throw new RuntimeException("Unexpected size");
+
+ // Test: list
+ if (!hasAttribute(view, ATTR_NAME))
+ throw new RuntimeException("Attribute name not in list");
+
+ // Test: delete
+ view.delete(ATTR_NAME);
+ if (hasAttribute(view, ATTR_NAME))
+ throw new RuntimeException("Attribute name in list");
+
+ // Test: dynamic access
+ byte[] valueAsBytes = ATTR_VALUE.getBytes();
+ view.setAttribute(ATTR_NAME, valueAsBytes);
+ byte[] actualAsBytes = (byte[])view.getAttribute(ATTR_NAME);
+ if (!Arrays.equals(valueAsBytes, actualAsBytes))
+ throw new RuntimeException("Unexpected attribute value");
+ Map<String,?> map = view.readAttributes(ATTR_NAME);
+ if (!Arrays.equals(valueAsBytes, (byte[])map.get(ATTR_NAME)))
+ throw new RuntimeException("Unexpected attribute value");
+ map = view.readAttributes(ATTR_NAME, "*");
+ if (!Arrays.equals(valueAsBytes, (byte[])map.get(ATTR_NAME)))
+ throw new RuntimeException("Unexpected attribute value");
+ map = view.readAttributes("DoesNotExist");
+ if (!map.isEmpty())
+ throw new RuntimeException("Map expected to be empty");
+ }
+
+ static void miscTests(Path file) throws IOException {
+ final UserDefinedFileAttributeView view = file
+ .getFileAttributeView(UserDefinedFileAttributeView.class);
+ view.write(ATTR_NAME, ByteBuffer.wrap(ATTR_VALUE.getBytes()));
+
+ // NullPointerException
+ final ByteBuffer buf = ByteBuffer.allocate(100);
+
+ expectNullPointerException(new Task() {
+ public void run() throws IOException {
+ view.read(null, buf);
+ }});
+ expectNullPointerException(new Task() {
+ public void run() throws IOException {
+ view.read(ATTR_NAME, null);
+ }});
+ expectNullPointerException(new Task() {
+ public void run() throws IOException {
+ view.write(null, buf);
+ }});
+ expectNullPointerException(new Task() {
+ public void run() throws IOException {
+ view.write(ATTR_NAME, null);
+ }});
+ expectNullPointerException(new Task() {
+ public void run() throws IOException {
+ view.size(null);
+ }});
+ expectNullPointerException(new Task() {
+ public void run() throws IOException {
+ view.delete(null);
+ }});
+ expectNullPointerException(new Task() {
+ public void run() throws IOException {
+ view.getAttribute(null);
+ }});
+ expectNullPointerException(new Task() {
+ public void run() throws IOException {
+ view.setAttribute(ATTR_NAME, null);
+ }});
+ expectNullPointerException(new Task() {
+ public void run() throws IOException {
+ view.setAttribute(null, new byte[0]);
+ }});
+ expectNullPointerException(new Task() {
+ public void run() throws IOException {
+ view.readAttributes(null);
+ }});
+ expectNullPointerException(new Task() {
+ public void run() throws IOException {
+ view.readAttributes("*", (String[])null);
+ }});
+ expectNullPointerException(new Task() {
+ public void run() throws IOException {
+ view.readAttributes("*", ATTR_NAME, null);
+ }});
+
+ // Read-only buffer
+ tryCatch(IllegalArgumentException.class, new Task() {
+ public void run() throws IOException {
+ ByteBuffer buf = ByteBuffer.wrap(ATTR_VALUE.getBytes()).asReadOnlyBuffer();
+ view.write(ATTR_NAME, buf);
+ buf.flip();
+ view.read(ATTR_NAME, buf);
+ }});
+
+ // Zero bytes remaining
+ tryCatch(IOException.class, new Task() {
+ public void run() throws IOException {
+ ByteBuffer buf = buf = ByteBuffer.allocateDirect(100);
+ buf.position(buf.capacity());
+ view.read(ATTR_NAME, buf);
+ }});
+ }
+
+ public static void main(String[] args) throws IOException {
+ // create temporary directory to run tests
+ Path dir = TestUtil.createTemporaryDirectory();
+ try {
+ if (!dir.getFileStore().supportsFileAttributeView("xattr")) {
+ System.out.println("UserDefinedFileAttributeView not supported - skip test");
+ return;
+ }
+
+ // test access to user defined attributes of regular file
+ Path file = dir.resolve("foo.html").createFile();
+ try {
+ test(file);
+ } finally {
+ file.delete();
+ }
+
+ // test access to user define attributes of directory
+ file = dir.resolve("foo").createDirectory();
+ try {
+ test(file);
+ } finally {
+ file.delete();
+ }
+
+ // test access to user defined attributes of sym link
+ if (TestUtil.supportsLinks(dir)) {
+ Path target = dir.resolve("doesnotexist");
+ Path link = dir.resolve("link").createSymbolicLink(target);
+ try {
+ test(link, NOFOLLOW_LINKS);
+ } catch (IOException x) {
+ // access to attributes of sym link may not be supported
+ } finally {
+ link.delete();
+ }
+ }
+
+ // misc. tests
+ try {
+ file = dir.resolve("foo.txt").createFile();
+ miscTests(dir);
+ } finally {
+ file.delete();
+ }
+
+ } finally {
+ TestUtil.removeAll(dir);
+ }
+ }
+ }