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/*
* Copyright (c) 2008, 2023, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @bug 4313887 8303413
* @summary Sanity test for JDK-specific sensitivity level watch event modifier
* @modules jdk.unsupported
* @library .. /test/lib
* @build jdk.test.lib.RandomFactory
* @run main/timeout=240 SensitivityModifier
* @key randomness
*/
import java.nio.file.FileSystem;
import java.nio.file.Path;
import java.nio.file.WatchEvent;
import java.nio.file.WatchKey;
import java.nio.file.WatchService;
import static java.nio.file.StandardWatchEventKinds.*;
import java.io.IOException;
import java.util.Random;
import com.sun.nio.file.SensitivityWatchEventModifier;
import jdk.test.lib.RandomFactory;
public class SensitivityModifier {
static final Random RAND = RandomFactory.getRandom();
static WatchKey register(Path dir, WatchService watcher)
throws IOException {
SensitivityWatchEventModifier[] sensitivities =
SensitivityWatchEventModifier.values();
SensitivityWatchEventModifier sensitivity =
sensitivities[RAND.nextInt(sensitivities.length)];
return dir.register(watcher, new WatchEvent.Kind<?>[]{ ENTRY_MODIFY },
sensitivity);
}
@SuppressWarnings("unchecked")
static void doTest(Path dir) throws Exception {
FileSystem fs = dir.getFileSystem();
try (WatchService watcher = fs.newWatchService()) {
// register the directory (random sensitivity)
WatchKey key = register(dir, watcher);
// check validity
if (!key.isValid())
throw new RuntimeException("Registration is invalid");
// cancel the registration
key.cancel();
}
}
public static void main(String[] args) throws Exception {
Path dir = TestUtil.createTemporaryDirectory();
try {
doTest(dir);
} finally {
TestUtil.removeAll(dir);
}
}
}
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