From 00a9ee70054872712017b5a14b19aa92068c8420 Mon Sep 17 00:00:00 2001 From: Sven Gothel Date: Mon, 29 Sep 2014 03:57:30 +0200 Subject: Bug 1080 - Refine MappedByteBuffer*Stream impl. and API [doc], adding stream to stream copy as well as direct memory mapped ByteBuffer access --- .../common/nio/TestByteBufferCopyStream.java | 177 +++++++++++++++++++++ 1 file changed, 177 insertions(+) create mode 100644 src/junit/com/jogamp/common/nio/TestByteBufferCopyStream.java (limited to 'src/junit/com/jogamp/common/nio/TestByteBufferCopyStream.java') diff --git a/src/junit/com/jogamp/common/nio/TestByteBufferCopyStream.java b/src/junit/com/jogamp/common/nio/TestByteBufferCopyStream.java new file mode 100644 index 0000000..3442159 --- /dev/null +++ b/src/junit/com/jogamp/common/nio/TestByteBufferCopyStream.java @@ -0,0 +1,177 @@ +/** + * 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()); + + 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()); + + 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 ); + } + + @Test + public void test00() throws IOException { + final int srcSliceShift = MappedByteBufferInputStream.DEFAULT_SLICE_SHIFT; + final int dstSliceShift = MappedByteBufferInputStream.DEFAULT_SLICE_SHIFT; + final long size = 3L * ( 1L << 30 ); // 3 GiB + testImpl("./testIn.bin", size, MappedByteBufferInputStream.CacheMode.FLUSH_PRE_HARD, srcSliceShift, + "./testOut.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 = 3L * ( 1L << 30 ); // 3 GiB + testImpl("./testIn.bin", size, MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, srcSliceShift, + "./testOut.bin", MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, dstSliceShift ); + } + + @Test + public void test02() throws IOException { + final int srcSliceShift = 28; // 256M bytes per slice + final int dstSliceShift = 28; // 256M bytes per slice + final long size = 3L * ( 1L << 30 ); // 3 GiB + testImpl("./testIn.bin", size, MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, srcSliceShift, + "./testOut.bin", MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, dstSliceShift ); + } + + @Test + public void test11() throws IOException { + final int srcSliceShift = 28; // 256M bytes per slice + final int dstSliceShift = 27; // 128M bytes per slice + final long size = 3L * ( 1L << 30 ); // 3 GiB + testImpl("./testIn.bin", size, MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, srcSliceShift, + "./testOut.bin", MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, dstSliceShift ); + } + + @Test + public void test12() throws IOException { + final int srcSliceShift = 27; // 128M bytes per slice + final int dstSliceShift = 28; // 256M bytes per slice + final long size = 3L * ( 1L << 30 ); // 3 GiB + testImpl("./testIn.bin", size, MappedByteBufferInputStream.CacheMode.FLUSH_PRE_SOFT, srcSliceShift, + "./testOut.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); + } +} -- cgit v1.2.3