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+/**
+ * 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);
+ }
+}