8315241: (fs) Move toRealPath tests in java/nio/file/Path/Misc.java to separate JUnit 5 test
Reviewed-by: rriggs
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8e4cda063c
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test/jdk/java/nio/file/Path
@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2008, 2022, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2008, 2023, 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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@ -22,7 +22,7 @@
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*/
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/* @test
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* @bug 4313887 6838333 7029979 8295753
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* @bug 4313887 6838333 7029979
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* @summary Unit test for miscellenous java.nio.file.Path methods
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* @library .. /test/lib
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* @build jdk.test.lib.Platform
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@ -32,28 +32,17 @@
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import java.io.*;
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import java.nio.file.*;
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import static java.nio.file.LinkOption.*;
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import jdk.test.lib.Platform;
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public class Misc {
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static boolean supportsLinks;
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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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supportsLinks = TestUtil.supportsLinks(dir);
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// equals and hashCode methods
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testEqualsAndHashCode();
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// toFile method
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testToFile(dir);
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// toRealPath method
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testToRealPath(dir);
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} finally {
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TestUtil.removeAll(dir);
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}
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@ -92,136 +81,6 @@ public class Misc {
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assertTrue(d.toPath().equals(dir));
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}
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/**
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* Exercise toRealPath method
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*/
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static void testToRealPath(Path dir) throws IOException {
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final Path file = Files.createFile(dir.resolve("foo"));
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final Path link = dir.resolve("link");
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/**
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* Test: toRealPath() will access same file as toRealPath(NOFOLLOW_LINKS)
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*/
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assertTrue(Files.isSameFile(file.toRealPath(), file.toRealPath(NOFOLLOW_LINKS)));
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/**
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* Test: toRealPath should fail if file does not exist
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*/
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Path doesNotExist = dir.resolve("DoesNotExist");
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try {
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doesNotExist.toRealPath();
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throw new RuntimeException("IOException expected");
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} catch (IOException expected) {
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}
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try {
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doesNotExist.toRealPath(NOFOLLOW_LINKS);
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throw new RuntimeException("IOException expected");
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} catch (IOException expected) {
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}
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/**
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* Test: toRealPath() should resolve links
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*/
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if (supportsLinks) {
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Path resolvedFile = file;
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if (Platform.isWindows()) {
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// Path::toRealPath does not work with environments using the
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// legacy subst mechanism. This is a workaround to keep the
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// test working if 'dir' points to a location on a subst drive.
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// See JDK-8213216.
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//
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Path tempLink = dir.resolve("tempLink");
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Files.createSymbolicLink(tempLink, dir.toAbsolutePath());
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Path resolvedDir = tempLink.toRealPath();
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Files.delete(tempLink);
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resolvedFile = resolvedDir.resolve(file.getFileName());
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}
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Files.createSymbolicLink(link, resolvedFile.toAbsolutePath());
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assertTrue(link.toRealPath().equals(resolvedFile.toRealPath()));
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Files.delete(link);
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}
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/**
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* Test: toRealPath(NOFOLLOW_LINKS) should not resolve links
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*/
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if (supportsLinks) {
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Files.createSymbolicLink(link, file.toAbsolutePath());
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assertTrue(link.toRealPath(NOFOLLOW_LINKS).getFileName().equals(link.getFileName()));
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Files.delete(link);
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}
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/**
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* Test: toRealPath(NOFOLLOW_LINKS) with broken link
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*/
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if (supportsLinks) {
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Path broken = Files.createSymbolicLink(link, doesNotExist);
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assertTrue(link.toRealPath(NOFOLLOW_LINKS).getFileName().equals(link.getFileName()));
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Files.delete(link);
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}
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/**
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* Test: toRealPath should eliminate "."
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*/
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assertTrue(dir.resolve(".").toRealPath().equals(dir.toRealPath()));
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assertTrue(dir.resolve(".").toRealPath(NOFOLLOW_LINKS).equals(dir.toRealPath(NOFOLLOW_LINKS)));
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/**
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* Test: toRealPath should eliminate ".." when it doesn't follow a
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* symbolic link
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*/
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Path subdir = Files.createDirectory(dir.resolve("subdir"));
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assertTrue(subdir.resolve("..").toRealPath().equals(dir.toRealPath()));
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assertTrue(subdir.resolve("..").toRealPath(NOFOLLOW_LINKS).equals(dir.toRealPath(NOFOLLOW_LINKS)));
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/**
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* Test: toRealPath yields accurate case of path elements when
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* not following links
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*/
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if (Platform.isOSX()) {
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// theTarget = dir/subdir/theTarget
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Path theTarget = Path.of(subdir.toString(), "theTarget");
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Files.createFile(theTarget);
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// dir/theLink -> dir/subdir
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Path theLink = Path.of(dir.toString(), "theLink");
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Files.createSymbolicLink(theLink, subdir);
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// thePath = dir/thelink/thetarget (all lower case)
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Path thePath = Path.of(dir.toString(), "thelink", "thetarget");
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Path noFollow = thePath.toRealPath(NOFOLLOW_LINKS);
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int nc = noFollow.getNameCount();
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// Real path should retain case as dir/theLink/theTarget
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assertTrue(noFollow.getName(nc - 2).equals(Path.of("theLink")));
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assertTrue(noFollow.getName(nc - 1).equals(Path.of("theTarget")));
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assertTrue(noFollow.toString().equals(
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Path.of(dir.toString(), "theLink", "theTarget").toString()));
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// Test where a link is preceded by ".." in the path
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Path superBeforeLink =
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Path.of(subdir.toString(), "..", "thelink", "thetarget");
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noFollow = superBeforeLink.toRealPath(NOFOLLOW_LINKS);
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nc = noFollow.getNameCount();
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assertTrue(noFollow.getName(nc - 2).equals(Path.of("theLink")));
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assertTrue(noFollow.getName(nc - 1).equals(Path.of("theTarget")));
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// Test where a link is followed by ".." in the path
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Path linkBeforeSuper =
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Path.of(dir.toString(), "thelink", "..", "subdir", "thetarget");
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noFollow = linkBeforeSuper.toRealPath(NOFOLLOW_LINKS);
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nc = noFollow.getNameCount();
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assertTrue(noFollow.getName(nc - 4).equals(Path.of("theLink")));
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assertTrue(noFollow.getName(nc - 1).equals(Path.of("theTarget")));
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Files.delete(theTarget);
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}
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// clean-up
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Files.delete(subdir);
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Files.delete(file);
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}
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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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191
test/jdk/java/nio/file/Path/ToRealPath.java
Normal file
191
test/jdk/java/nio/file/Path/ToRealPath.java
Normal file
@ -0,0 +1,191 @@
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/*
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* Copyright (c) 2023, 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 8295753
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* @summary Verify correct operation of Path.toRealPath
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* @library .. /test/lib
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* @build ToRealPath jdk.test.lib.Platform
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* @run junit ToRealPath
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*/
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import java.io.IOException;
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import java.io.UncheckedIOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import jdk.test.lib.Platform;
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import org.junit.jupiter.api.AfterAll;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.condition.EnabledIf;
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import org.junit.jupiter.api.condition.EnabledOnOs;
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import org.junit.jupiter.api.condition.OS;
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import static java.nio.file.LinkOption.*;
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import static org.junit.jupiter.api.Assertions.*;
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public class ToRealPath {
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static final boolean SUPPORTS_LINKS;
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static final Path DIR;
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static final Path SUBDIR;
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static final Path FILE;
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static final Path LINK;
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static {
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try {
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DIR = TestUtil.createTemporaryDirectory();
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SUBDIR = Files.createDirectory(DIR.resolve("subdir"));
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FILE = Files.createFile(DIR.resolve("foo"));
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LINK = DIR.resolve("link");
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SUPPORTS_LINKS = TestUtil.supportsLinks(DIR);
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} catch (IOException e) {
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throw new UncheckedIOException(e);
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}
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};
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public boolean supportsLinks() {
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return SUPPORTS_LINKS;
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}
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@Test
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public void locateSameFile() throws IOException {
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assertTrue(Files.isSameFile(FILE.toRealPath(),
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FILE.toRealPath(NOFOLLOW_LINKS)));
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}
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@Test
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public void failNotExist() {
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Path doesNotExist = DIR.resolve("DoesNotExist");
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assertThrows(IOException.class, () -> doesNotExist.toRealPath());
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}
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@Test
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public void failNotExistNoFollow() {
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Path doesNotExist = DIR.resolve("DoesNotExist");
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assertThrows(IOException.class,
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() -> doesNotExist.toRealPath(NOFOLLOW_LINKS));
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}
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@EnabledIf("supportsLinks")
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@Test
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public void shouldResolveLinks() throws IOException {
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Path resolvedFile = FILE;
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if (Platform.isWindows()) {
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// Path::toRealPath does not work with environments using the
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// legacy subst mechanism. This is a workaround to keep the
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// test working if 'dir' points to a location on a subst drive.
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// See JDK-8213216.
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//
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Path tempLink = DIR.resolve("tempLink");
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Files.createSymbolicLink(tempLink, DIR.toAbsolutePath());
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Path resolvedDir = tempLink.toRealPath();
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Files.delete(tempLink);
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resolvedFile = resolvedDir.resolve(FILE.getFileName());
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}
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Files.createSymbolicLink(LINK, resolvedFile.toAbsolutePath());
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assertTrue(LINK.toRealPath().equals(resolvedFile.toRealPath()));
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Files.delete(LINK);
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}
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@Test
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@EnabledIf("supportsLinks")
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public void shouldNotResolveLinks() throws IOException {
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Files.createSymbolicLink(LINK, FILE.toAbsolutePath());
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assertEquals(LINK.toRealPath(NOFOLLOW_LINKS).getFileName(),
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LINK.getFileName());
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Files.delete(LINK);
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}
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@Test
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public void eliminateDot() throws IOException {
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assertEquals(DIR.resolve(".").toRealPath(),
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DIR.toRealPath());
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}
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@Test
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public void eliminateDotNoFollow() throws IOException {
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assertEquals(DIR.resolve(".").toRealPath(NOFOLLOW_LINKS),
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DIR.toRealPath(NOFOLLOW_LINKS));
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}
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@Test
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public void eliminateDots() throws IOException {
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assertEquals(SUBDIR.resolve("..").toRealPath(),
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DIR.toRealPath());
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}
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@Test
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public void eliminateDotsNoFollow() throws IOException {
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assertEquals(SUBDIR.resolve("..").toRealPath(NOFOLLOW_LINKS),
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DIR.toRealPath(NOFOLLOW_LINKS));
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}
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@Test
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@EnabledOnOs(OS.MAC)
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public final void macOSTests() throws IOException {
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// theTarget = dir/subdir/theTarget
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Path theTarget = Path.of(SUBDIR.toString(), "theTarget");
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Files.createFile(theTarget);
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// dir/theLink -> dir/subdir
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Path theLink = Path.of(DIR.toString(), "theLink");
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Files.createSymbolicLink(theLink, SUBDIR);
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// thePath = dir/thelink/thetarget (all lower case)
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Path thePath = Path.of(DIR.toString(), "thelink", "thetarget");
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Path noFollow = thePath.toRealPath(NOFOLLOW_LINKS);
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int nc = noFollow.getNameCount();
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// Real path should retain case as dir/theLink/theTarget
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assertEquals(noFollow.getName(nc - 2), Path.of("theLink"));
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assertEquals(noFollow.getName(nc - 1), Path.of("theTarget"));
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assertEquals(noFollow.toString(),
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Path.of(DIR.toString(), "theLink", "theTarget").toString());
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// Test where a link is preceded by ".." in the path
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Path superBeforeLink =
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Path.of(SUBDIR.toString(), "..", "thelink", "thetarget");
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noFollow = superBeforeLink.toRealPath(NOFOLLOW_LINKS);
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nc = noFollow.getNameCount();
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assertEquals(noFollow.getName(nc - 2), Path.of("theLink"));
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assertEquals(noFollow.getName(nc - 1), Path.of("theTarget"));
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// Test where a link is followed by ".." in the path
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Path linkBeforeSuper =
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Path.of(DIR.toString(), "thelink", "..", "subdir", "thetarget");
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noFollow = linkBeforeSuper.toRealPath(NOFOLLOW_LINKS);
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nc = noFollow.getNameCount();
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assertEquals(noFollow.getName(nc - 4), Path.of("theLink"));
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assertEquals(noFollow.getName(nc - 1), Path.of("theTarget"));
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Files.delete(theTarget);
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}
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@AfterAll
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public static void cleanup() throws IOException {
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Files.delete(SUBDIR);
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Files.delete(FILE);
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}
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}
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