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// Copyright 2014 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.lib.vfs;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.io.IOException;
/**
* Tests for the {@link UnixFileSystem} class.
*/
@RunWith(JUnit4.class)
public class UnixFileSystemTest extends SymlinkAwareFileSystemTest {
@Override
protected FileSystem getFreshFileSystem() {
return new UnixFileSystem();
}
@Override
public void destroyFileSystem(FileSystem fileSystem) {
// Nothing.
}
@Override
protected void expectNotFound(Path path) throws IOException {
assertNull(path.statIfFound());
}
// Most tests are just inherited from FileSystemTest.
@Test
public void testCircularSymlinkFound() throws Exception {
Path linkA = absolutize("link-a");
Path linkB = absolutize("link-b");
linkA.createSymbolicLink(linkB);
linkB.createSymbolicLink(linkA);
assertFalse(linkA.exists(Symlinks.FOLLOW));
try {
linkA.statIfFound(Symlinks.FOLLOW);
fail();
} catch (IOException expected) {
// Expected.
}
}
}
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