131 lines
4.1 KiB
Java
131 lines
4.1 KiB
Java
/*
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* Copyright (c) 2002-2011 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.test.mapped;
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import org.lwjgl.MemoryUtil;
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import org.lwjgl.util.mapped.MappedObject;
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import org.lwjgl.util.mapped.MappedSet;
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import org.lwjgl.util.mapped.MappedSet2;
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import org.lwjgl.util.mapped.MappedType;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import static org.lwjgl.util.mapped.MappedObject.*;
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/** @author Riven */
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@SuppressWarnings("static-access")
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public class MappedObjectTests3 {
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static void testMappedBuffer() {
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int elementCount = 4;
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MappedSomething some = MappedSomething.malloc(elementCount);
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assert (some.data != some.data);
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long addr1 = MemoryUtil.getAddress(some.backingByteBuffer());
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ByteBuffer mapped = some.data; // creates new ByteBuffer instance
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long addr2 = MemoryUtil.getAddress(mapped);
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assert (addr2 - addr1 == 4);
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assert (mapped.capacity() == MappedSomething.SIZEOF - 4);
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some.view++;
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mapped = some.data; // creates new ByteBuffer instance
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long addr3 = MemoryUtil.getAddress(mapped);
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assert (addr3 - addr1 == 4 + MappedSomething.SIZEOF);
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assert (addr3 - addr2 == 0 + MappedSomething.SIZEOF);
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assert (mapped.capacity() == MappedSomething.SIZEOF - 4);
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}
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static void testForeach() {
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int elementCount = 4;
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MappedSomething some = MappedSomething.malloc(elementCount);
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int i = 0;
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for ( MappedSomething item : foreach(some, elementCount) ) {
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assert (item.view == i++);
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}
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assert (some.view != elementCount);
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System.out.println("current.view=" + some.view + ", not " + elementCount + ", as you might expect");
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}
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@MappedType(sizeof = 12)
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public static class Xyz extends MappedObject {
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int x, y, z;
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}
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static void testConstructor() {
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int capacity = 1024;
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ByteBuffer bb = ByteBuffer.allocateDirect(capacity).order(ByteOrder.nativeOrder());
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long address = MemoryUtil.getAddress(bb);
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MappedFloat mf = MappedFloat.map(address, capacity);
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assert (address == mf.baseAddress);
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assert (mf.value == 0.0f);
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mf.view = 1;
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assert (mf.value == 0.0f);
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mf.runViewConstructor();
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assert (mf.value == 4.0f);
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Xyz.malloc(3);
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}
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static void testMappedSet() {
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MappedVec2 vec2 = MappedVec2.malloc(3);
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MappedVec3 vec3 = MappedVec3.malloc(3);
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MappedSet2 set = MappedSet.create(vec2, vec3);
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assert (vec2.view == 0);
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assert (vec3.view == 0);
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set.view = 2;
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assert (vec2.view == 2);
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assert (vec3.view == 2);
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set.view = 0;
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assert (vec2.view == 0);
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assert (vec3.view == 0);
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set.next();
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assert (vec2.view == 1);
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assert (vec3.view == 1);
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}
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} |