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