russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
113 lines
4.3 KiB
Java
113 lines
4.3 KiB
Java
/*
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* Copyright (c) 2025, 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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/*
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* @test
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* @bug 4847239
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* @summary Verify directory parameter behavior in File.createTempFile(String,String,File)
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* @library /test/lib
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* @run junit TargetDirectory
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*/
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.io.TempDir;
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import org.junit.jupiter.api.io.CleanupMode;
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import org.junit.jupiter.api.condition.DisabledIf;
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import java.io.File;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.attribute.AclEntry;
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import java.nio.file.attribute.AclEntryPermission;
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import java.nio.file.attribute.AclFileAttributeView;
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import java.nio.file.attribute.PosixFileAttributeView;
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import java.nio.file.attribute.PosixFilePermission;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import jdk.test.lib.Platform;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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class TargetDirectory {
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@TempDir(cleanup = CleanupMode.ALWAYS)
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Path tempDir;
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@Test
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void testWritableDirectory() throws Exception {
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Path dir = tempDir.resolve("target");
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File target = Files.createDirectory(dir).toFile();
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File tmp = File.createTempFile("passes", null, target);
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assertTrue(Files.exists(tmp.toPath()), "Temp file not created");
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}
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@Test
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@DisabledIf("jdk.test.lib.Platform#isRoot")
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void testReadOnlyDirectory() throws Exception {
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Path dir = tempDir.resolve("target");
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File target = Files.createDirectory(dir).toFile();
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// Make 'target' read-only
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if (Files.getFileStore(dir).supportsFileAttributeView("posix")) {
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PosixFileAttributeView view =
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Files.getFileAttributeView(dir, PosixFileAttributeView.class);
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Set<PosixFilePermission> perms = new HashSet<>();
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perms.add(PosixFilePermission.OWNER_READ);
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view.setPermissions(perms);
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} else if (Files.getFileStore(dir).supportsFileAttributeView("acl")) {
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AclFileAttributeView view = Files.getFileAttributeView(dir,
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AclFileAttributeView.class);
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List<AclEntry> entries = new ArrayList<>();
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for (AclEntry entry : view.getAcl()) {
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Set<AclEntryPermission> perms =
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new HashSet<>(entry.permissions());
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perms.remove(AclEntryPermission.ADD_FILE);
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entries.add(AclEntry.newBuilder().setType(entry.type())
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.setPrincipal(entry.principal()).setPermissions(perms)
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.build());
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}
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view.setAcl(entries);
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} else {
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throw new RuntimeException("Required attribute view not supported");
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}
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assertThrows(IOException.class,
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() -> File.createTempFile("readonly", null, target));
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}
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@Test
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void testNonExistentDirectory() {
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assertThrows(IOException.class,
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() -> File.createTempFile("nonexistent", null, new File(tempDir.toFile(), "void")));
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}
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@Test
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void testTargetIsFile() throws Exception {
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File target = Files.createFile(tempDir.resolve("file")).toFile();
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assertThrows(IOException.class,
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() -> File.createTempFile("file", null, target));
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}
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}
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