124 lines
4.5 KiB
Java
124 lines
4.5 KiB
Java
/*
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* Copyright (c) 2013, 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 8011536
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* @summary Basic test for creationTime attribute on platforms/file systems
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* that support it.
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* @library ../..
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*/
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import java.nio.file.Path;
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import java.nio.file.Files;
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import java.nio.file.attribute.*;
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import java.time.Instant;
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import java.io.IOException;
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public class CreationTime {
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private static final java.io.PrintStream err = System.err;
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/**
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* Reads the creationTime attribute
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*/
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private static FileTime creationTime(Path file) throws IOException {
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return Files.readAttributes(file, BasicFileAttributes.class).creationTime();
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}
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/**
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* Sets the creationTime attribute
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*/
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private static void setCreationTime(Path file, FileTime time) throws IOException {
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BasicFileAttributeView view =
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Files.getFileAttributeView(file, BasicFileAttributeView.class);
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view.setTimes(null, null, time);
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}
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static void test(Path top) throws IOException {
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Path file = Files.createFile(top.resolve("foo"));
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/**
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* Check that creationTime reported
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*/
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FileTime creationTime = creationTime(file);
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Instant now = Instant.now();
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if (Math.abs(creationTime.toMillis()-now.toEpochMilli()) > 10000L) {
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err.println("File creation time reported as: " + creationTime);
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throw new RuntimeException("Expected to be close to: " + now);
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}
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/**
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* Is the creationTime attribute supported here?
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*/
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boolean supportsCreationTimeRead = false;
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boolean supportsCreationTimeWrite = false;
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String os = System.getProperty("os.name");
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if (os.contains("OS X") && Files.getFileStore(file).type().equals("hfs")) {
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supportsCreationTimeRead = true;
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} else if (os.startsWith("Windows")) {
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String type = Files.getFileStore(file).type();
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if (type.equals("NTFS") || type.equals("FAT")) {
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supportsCreationTimeRead = true;
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supportsCreationTimeWrite = true;
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}
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}
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/**
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* If the creation-time attribute is supported then change the file's
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* last modified and check that it doesn't change the creation-time.
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*/
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if (supportsCreationTimeRead) {
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// change modified time by +1 hour
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Instant plusHour = Instant.now().plusSeconds(60L * 60L);
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Files.setLastModifiedTime(file, FileTime.from(plusHour));
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FileTime current = creationTime(file);
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if (!current.equals(creationTime))
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throw new RuntimeException("Creation time should not have changed");
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}
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/**
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* If the creation-time attribute is supported and can be changed then
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* check that the change is effective.
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*/
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if (supportsCreationTimeWrite) {
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// change creation time by -1 hour
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Instant minusHour = Instant.now().minusSeconds(60L * 60L);
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creationTime = FileTime.from(minusHour);
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setCreationTime(file, creationTime);
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FileTime current = creationTime(file);
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if (Math.abs(creationTime.toMillis()-current.toMillis()) > 1000L)
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throw new RuntimeException("Creation time not changed");
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}
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}
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public static void main(String[] args) throws IOException {
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// create temporary directory to run tests
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Path dir = TestUtil.createTemporaryDirectory();
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try {
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test(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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