/**
* Copyright 2014 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.common.nio;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.channels.FileChannel;
import org.junit.Assert;
import org.junit.Test;
import com.jogamp.junit.util.JunitTracer;
import org.junit.FixMethodOrder;
import org.junit.runners.MethodSorters;
/**
* Testing {@link MappedByteBufferInputStream} and {@link MappedByteBufferOutputStream}
* direct stream to stream copy via mapped buffers.
*/
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class TestByteBufferCopyStream extends JunitTracer {
static void testImpl(final String srcFileName, final long size,
final MappedByteBufferInputStream.CacheMode srcCacheMode, final int srcSliceShift,
final String dstFileName,
final MappedByteBufferInputStream.CacheMode dstCacheMode, final int dstSliceShift ) throws IOException {
final Runtime runtime = Runtime.getRuntime();
final long[] usedMem0 = { 0 };
final long[] freeMem0 = { 0 };
final long[] usedMem1 = { 0 };
final long[] freeMem1 = { 0 };
final String prefix = "test "+String.format(TestByteBufferInputStream.PrintPrecision+" MiB", size/TestByteBufferInputStream.MIB);
TestByteBufferInputStream.dumpMem(prefix+" before", runtime, -1, -1, usedMem0, freeMem0 );
final File srcFile = new File(srcFileName);
srcFile.delete();
srcFile.createNewFile();
srcFile.deleteOnExit();
final RandomAccessFile input;
{
final RandomAccessFile _input = new RandomAccessFile(srcFile, "rw");
_input.setLength(size);
_input.close();
input = new RandomAccessFile(srcFile, "r");
}
final MappedByteBufferInputStream mis = new MappedByteBufferInputStream(input.getChannel(),
FileChannel.MapMode.READ_ONLY,
srcCacheMode,
srcSliceShift);
Assert.assertEquals(size, input.length());
Assert.assertEquals(size, mis.length());
Assert.assertEquals(0, mis.position());
Assert.assertEquals(size, mis.remaining());
final File dstFile = new File(dstFileName);
dstFile.delete();
dstFile.createNewFile();
dstFile.deleteOnExit();
final RandomAccessFile output = new RandomAccessFile(dstFile, "rw");
final MappedByteBufferInputStream.FileResizeOp szOp = new MappedByteBufferInputStream.FileResizeOp() {
@Override
public void setLength(final long newSize) throws IOException {
output.setLength(newSize);
}
};
final MappedByteBufferOutputStream mos = new MappedByteBufferOutputStream(output.getChannel(),
FileChannel.MapMode.READ_WRITE,
dstCacheMode,
srcSliceShift, szOp);
Assert.assertEquals(0, output.length());
Assert.assertEquals(0, mos.length());
Assert.assertEquals(0, mos.position());
Assert.assertEquals(0, mos.remaining());
OutOfMemoryError oome = null;
IOException ioe = null;
try {
mos.write(mis, mis.remaining());
Assert.assertEquals(size, input.length());
Assert.assertEquals(size, output.length());
Assert.assertEquals(size, mis.length());
Assert.assertEquals(size, mos.length());
Assert.assertEquals(size, mis.position());
Assert.assertEquals(size, mos.position());
Assert.assertEquals(0, mis.remaining());
Assert.assertEquals(0, mos.remaining());
} catch (final IOException e) {
if( e.getCause() instanceof OutOfMemoryError ) {
oome = (OutOfMemoryError) e.getCause(); // oops
} else {
ioe = e;
}
} catch (final OutOfMemoryError m) {
oome = m; // oops
} finally {
mos.close();
mis.close();
input.close();
output.close();
srcFile.delete();
dstFile.delete();
TestByteBufferInputStream.dumpMem(prefix+" after ", runtime, usedMem0[0], freeMem0[0], usedMem1, freeMem1 );
System.gc();
try {
Thread.sleep(500);
} catch (final InterruptedException e) { }
TestByteBufferInputStream.dumpMem(prefix+" gc'ed ", runtime, usedMem0[0], freeMem0[0], usedMem1, freeMem1 );
}
if( null != ioe || null != oome ) {
if( null != oome ) {
System.err.printf("%s: OutOfMemoryError.2 %s%n", prefix, oome.getMessage());
oome.printStackTrace();
} else {
Assert.assertNull(ioe);
}
}
}
/** {@value} */
static final long halfMiB = 1L << 19;
/** {@value} */
static final long quaterGiB = 1L << 28;
/** {@value} */
static final long quaterPlusGiB = quaterGiB + halfMiB;
/** {@value} */
static final long halfGiB = 1L << 29;
/** {@value} */
static final long halfPlusGiB = halfGiB + halfMiB;
/** {@value} */
static final long oneGiB = 1L << 30;
/** {@value} */
static final long onePlusGiB = oneGiB + halfMiB;
/** {@value} */
static final long twoGiB = ( 2L << 30 );
/** {@value} */
static final long twoPlusGiB = twoGiB + halfMiB;
/** {@value} */
static final long lala = ( 1L << 27 );
@Test
public void test00() throws IOException {
final int srcSliceShift = MappedByteBufferInputStream.DEFAULT_SLICE_SHIFT;
final int dstSliceShift = MappedByteBufferInputStream.DEFAULT_SLICE_SHIFT;
final long size = twoPlusGiB;
testImpl(getSimpleTestName(".")+"_In.bin", size, MappedByteBufferInputStream.CacheMode.FLUSH_PRE_HARD, srcSliceShift,
getSimpleTestName(".")+"_Out.bin", MappedByteBufferInputStream.CacheMode.FLUSH_PRE_HARD, dstSliceShift );
}
@Test
public void test01() throws IOException {
final int srcSliceShift = MappedByteBufferInputStream.DEFAULT_SLICE_SHIFT;
final int dstSliceShift = MappedByteBufferInputStream.DEFAULT_SLICE_SHIFT;
final long size = twoPlusGiB;
testImpl(getSimpleTestName(".")+"_In.bin", size, MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, srcSliceShift,
getSimpleTestName(".")+"_Out.bin", MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, dstSliceShift );
}
@Test
public void test02() throws IOException {
final int srcSliceShift = 27; // 125M bytes per slice
final int dstSliceShift = 27; // 125M bytes per slice
final long size = halfPlusGiB;
testImpl(getSimpleTestName(".")+"_In.bin", size, MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, srcSliceShift,
getSimpleTestName(".")+"_Out.bin", MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, dstSliceShift );
}
@Test
public void test11() throws IOException {
final int srcSliceShift = 26; // 64M bytes per slice
final int dstSliceShift = 25; // 32M bytes per slice
final long size = quaterPlusGiB;
testImpl(getSimpleTestName(".")+"_In.bin", size, MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, srcSliceShift,
getSimpleTestName(".")+"_Out.bin", MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, dstSliceShift );
}
@Test
public void test12() throws IOException {
final int srcSliceShift = 25; // 32M bytes per slice
final int dstSliceShift = 26; // 64M bytes per slice
final long size = quaterPlusGiB;
testImpl(getSimpleTestName(".")+"_In.bin", size, MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, srcSliceShift,
getSimpleTestName(".")+"_Out.bin", MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, dstSliceShift );
}
public static void main(final String args[]) throws IOException {
final String tstname = TestByteBufferCopyStream.class.getName();
org.junit.runner.JUnitCore.main(tstname);
}
}