/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.harmony.nio.tests.java.nio.channels;
import dalvik.annotation.TestTargetNew;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetClass;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.channels.ClosedChannelException;
import java.nio.channels.FileChannel;
import java.nio.channels.FileLock;
import junit.framework.TestCase;
@TestTargetClass(FileLock.class)
/**
* Tests class FileLock.
*/
public class FileLockTest extends TestCase {
private FileChannel readWriteChannel;
private MockFileLock mockLock;
class MockFileLock extends FileLock {
boolean isValid = true;
protected MockFileLock(FileChannel channel, long position, long size,
boolean shared) {
super(channel, position, size, shared);
}
public boolean isValid() {
return isValid;
}
public void release() throws IOException {
isValid = false;
}
}
protected void setUp() throws Exception {
super.setUp();
File tempFile = File.createTempFile("testing", "tmp");
tempFile.deleteOnExit();
RandomAccessFile randomAccessFile = new RandomAccessFile(tempFile, "rw");
readWriteChannel = randomAccessFile.getChannel();
mockLock = new MockFileLock(readWriteChannel, 10, 100, false);
}
/**
* @tests java.nio.channels.FileLock#FileLock(FileChannel, long, long,
* boolean)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "FileLock",
args = {java.nio.channels.FileChannel.class, long.class, long.class, boolean.class}
)
public void test_Constructor_Ljava_nio_channels_FileChannelJJZ() {
FileLock fileLock1 = new MockFileLock(null, 0, 0, false);
assertNull(fileLock1.channel());
try {
new MockFileLock(readWriteChannel, -1, 0, false);
fail("should throw IllegalArgumentException.");
} catch (IllegalArgumentException ex) {
// expected
}
try {
new MockFileLock(readWriteChannel, 0, -1, false);
fail("should throw IllegalArgumentException.");
} catch (IllegalArgumentException ex) {
// expected
}
// Harmony-682 regression test
try {
new MockFileLock(readWriteChannel, Long.MAX_VALUE, 1, false);
fail("should throw IllegalArgumentException.");
} catch (IllegalArgumentException ex) {
// expected
}
}
/**
* @tests java.nio.channels.FileLock#channel()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "channel",
args = {}
)
public void test_channel() {
assertSame(readWriteChannel, mockLock.channel());
FileLock lock = new MockFileLock(null, 0, 10, true);
assertNull(lock.channel());
}
/**
* @tests java.nio.channels.FileLock#position()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "position",
args = {}
)
public void test_position() {
FileLock fileLock1 = new MockFileLock(readWriteChannel, 20, 100, true);
assertEquals(20, fileLock1.position());
final long position = ((long) Integer.MAX_VALUE + 1);
FileLock fileLock2 = new MockFileLock(readWriteChannel, position, 100,
true);
assertEquals(position, fileLock2.position());
}
/**
* @tests java.nio.channels.FileLock#size()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "size",
args = {}
)
public void test_size() {
FileLock fileLock1 = new MockFileLock(readWriteChannel, 20, 100, true);
assertEquals(100, fileLock1.size());
final long position = 0x0FFFFFFFFFFFFFFFL;
final long size = ((long) Integer.MAX_VALUE + 1);
FileLock fileLock2 = new MockFileLock(readWriteChannel, position, size,
true);
assertEquals(size, fileLock2.size());
}
/**
* @tests java.nio.channels.FileLock#isShared()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "[check with false shared parameter]",
method = "isShared",
args = {}
)
public void test_isShared() {
assertFalse(mockLock.isShared());
FileLock lock = new MockFileLock(null, 0, 10, true);
assertTrue(lock.isShared());
}
/**
* @tests java.nio.channels.FileLock#overlaps(long, long)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "overlaps",
args = {long.class, long.class}
)
public void test_overlaps_JJ() {
assertTrue(mockLock.overlaps(0, 11));
assertFalse(mockLock.overlaps(0, 10));
assertTrue(mockLock.overlaps(100, 110));
assertTrue(mockLock.overlaps(99, 110));
assertFalse(mockLock.overlaps(-1, 10));
//Harmony-671 regression test
assertTrue(mockLock.overlaps(1, 120));
assertTrue(mockLock.overlaps(20, 50));
}
/**
* @tests java.nio.channels.FileLock#isValid()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "isValid",
args = {}
)
public void test_isValid() throws IOException {
FileLock fileLock = readWriteChannel.lock();
assertTrue(fileLock.isValid());
fileLock.release();
assertFalse(fileLock.isValid());
}
/**
* @tests java.nio.channels.FileLock#release()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "release",
args = {}
)
public void test_release() throws Exception {
File file = File.createTempFile("test", "tmp");
file.deleteOnExit();
FileOutputStream fout = new FileOutputStream(file);
FileChannel fileChannel = fout.getChannel();
FileLock fileLock = fileChannel.lock();
fileChannel.close();
try {
fileLock.release();
fail("should throw ClosedChannelException");
} catch (ClosedChannelException e) {
// expected
}
// release after release
fout = new FileOutputStream(file);
fileChannel = fout.getChannel();
fileLock = fileChannel.lock();
fileLock.release();
fileChannel.close();
try {
fileLock.release();
fail("should throw ClosedChannelException");
} catch (ClosedChannelException e) {
//expected
}
}
/**
* @tests java.nio.channels.FileLock#release()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "toString",
args = {}
)
public void test_toString() throws Exception {
File file = File.createTempFile("test", "tmp");
file.deleteOnExit();
FileOutputStream fout = new FileOutputStream(file);
FileChannel fileChannel = fout.getChannel();
FileLock fileLock = fileChannel.lock();
assertTrue(fileLock.toString().length() > 0);
}
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Regression test",
method = "release",
args = {}
)
public void testFileLock() throws Exception {
String fileName = File.createTempFile("test", "tmp").getAbsolutePath();
RandomAccessFile raf = new RandomAccessFile(fileName, "rw");
FileLock lock = raf.getChannel().tryLock();
raf.write("file lock test".getBytes());
lock.release();
raf.close();
}
}
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