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Diffstat (limited to 'src/junit/com/jogamp/common/nio/TestBuffers.java')
-rw-r--r-- | src/junit/com/jogamp/common/nio/TestBuffers.java | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/junit/com/jogamp/common/nio/TestBuffers.java b/src/junit/com/jogamp/common/nio/TestBuffers.java new file mode 100644 index 0000000..89b5671 --- /dev/null +++ b/src/junit/com/jogamp/common/nio/TestBuffers.java @@ -0,0 +1,169 @@ +/** + * Copyright 2010 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. + */ + +/* + * Created on Sunday, July 04 2010 20:00 + */ +package com.jogamp.common.nio; + +import java.io.IOException; +import java.nio.ByteBuffer; +import java.nio.CharBuffer; +import java.nio.DoubleBuffer; +import java.nio.FloatBuffer; +import java.nio.IntBuffer; +import java.nio.LongBuffer; +import java.nio.ShortBuffer; + +import org.junit.Test; + +import com.jogamp.junit.util.SingletonJunitCase; + +import static org.junit.Assert.*; + +/** + * @author Michael Bien + */ +import org.junit.FixMethodOrder; +import org.junit.runners.MethodSorters; + +@FixMethodOrder(MethodSorters.NAME_ASCENDING) +public class TestBuffers extends SingletonJunitCase { + + @Test + public void test01PositionLimitCapacityAfterArrayAllocation() { + final byte[] byteData = { 1, 2, 3, 4, 5, 6, 7, 8 }; + final ByteBuffer byteBuffer = Buffers.newDirectByteBuffer(byteData); + assertEquals(0, byteBuffer.position()); + assertEquals(8, byteBuffer.limit()); + assertEquals(8, byteBuffer.capacity()); + assertEquals(8, byteBuffer.remaining()); + assertEquals(5, byteBuffer.get(4)); + + final double[] doubleData = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 }; + final DoubleBuffer doubleBuffer = Buffers.newDirectDoubleBuffer(doubleData); + assertEquals(0, doubleBuffer.position()); + assertEquals(8, doubleBuffer.limit()); + assertEquals(8, doubleBuffer.capacity()); + assertEquals(8, doubleBuffer.remaining()); + assertEquals(5.0, doubleBuffer.get(4), 0.1); + + final float[] floatData = { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f }; + final FloatBuffer floatBuffer = Buffers.newDirectFloatBuffer(floatData); + assertEquals(0, floatBuffer.position()); + assertEquals(8, floatBuffer.limit()); + assertEquals(8, floatBuffer.capacity()); + assertEquals(8, floatBuffer.remaining()); + assertEquals(5.0f, floatBuffer.get(4), 0.1f); + + final int[] intData = { 1, 2, 3, 4, 5, 6, 7, 8 }; + final IntBuffer intBuffer = Buffers.newDirectIntBuffer(intData); + assertEquals(0, intBuffer.position()); + assertEquals(8, intBuffer.limit()); + assertEquals(8, intBuffer.capacity()); + assertEquals(8, intBuffer.remaining()); + assertEquals(5, intBuffer.get(4)); + + final long[] longData = { 1, 2, 3, 4, 5, 6, 7, 8 }; + final LongBuffer longBuffer = Buffers.newDirectLongBuffer(longData); + assertEquals(0, longBuffer.position()); + assertEquals(8, longBuffer.limit()); + assertEquals(8, longBuffer.capacity()); + assertEquals(8, longBuffer.remaining()); + assertEquals(5, longBuffer.get(4)); + + final short[] shortData = { 1, 2, 3, 4, 5, 6, 7, 8 }; + final ShortBuffer shortBuffer = Buffers.newDirectShortBuffer(shortData); + assertEquals(0, shortBuffer.position()); + assertEquals(8, shortBuffer.limit()); + assertEquals(8, shortBuffer.capacity()); + assertEquals(8, shortBuffer.remaining()); + assertEquals(5, shortBuffer.get(4)); + + final char[] charData = { 1, 2, 3, 4, 5, 6, 7, 8 }; + final CharBuffer charBuffer = Buffers.newDirectCharBuffer(charData); + assertEquals(0, charBuffer.position()); + assertEquals(8, charBuffer.limit()); + assertEquals(8, charBuffer.capacity()); + assertEquals(8, charBuffer.remaining()); + assertEquals(5, charBuffer.get(4)); + } + + @Test + public void test10Slice() { + + final IntBuffer buffer = Buffers.newDirectIntBuffer(6); + buffer.put(new int[]{1,2,3,4,5,6}).rewind(); + + final IntBuffer threefour = Buffers.slice(buffer, 2, 2); + + assertEquals(3, threefour.get(0)); + assertEquals(4, threefour.get(1)); + assertEquals(2, threefour.capacity()); + + assertEquals(0, buffer.position()); + assertEquals(6, buffer.limit()); + + final IntBuffer fourfivesix = Buffers.slice(buffer, 3, 3); + + assertEquals(4, fourfivesix.get(0)); + assertEquals(5, fourfivesix.get(1)); + assertEquals(6, fourfivesix.get(2)); + assertEquals(3, fourfivesix.capacity()); + + assertEquals(0, buffer.position()); + assertEquals(6, buffer.limit()); + + final IntBuffer onetwothree = Buffers.slice(buffer, 0, 3); + + assertEquals(1, onetwothree.get(0)); + assertEquals(2, onetwothree.get(1)); + assertEquals(3, onetwothree.get(2)); + assertEquals(3, onetwothree.capacity()); + + assertEquals(0, buffer.position()); + assertEquals(6, buffer.limit()); + + // is it really sliced? + buffer.put(2, 42); + + assertEquals(42, buffer.get(2)); + assertEquals(42, onetwothree.get(2)); + } + + @Test + public void test20Cleaner() { + final ByteBuffer byteBuffer = Buffers.newDirectByteBuffer(1024); + Buffers.Cleaner.clean(byteBuffer); + } + + public static void main(final String args[]) throws IOException { + final String tstname = TestBuffers.class.getName(); + org.junit.runner.JUnitCore.main(tstname); + } +} |