package com.jogamp.common.nio; import java.io.IOException; import jogamp.common.os.PlatformPropsImpl; import com.jogamp.common.os.*; import com.jogamp.junit.util.SingletonJunitCase; import org.junit.Assert; import org.junit.Test; import static java.lang.System.*; import org.junit.FixMethodOrder; import org.junit.runners.MethodSorters; @FixMethodOrder(MethodSorters.NAME_ASCENDING) public class TestPointerBufferEndian extends SingletonJunitCase { protected void testImpl (final boolean direct) { final MachineDataInfo machine = Platform.getMachineDataInfo(); final int bitsPtr = machine.pointerSizeInBytes() * 8; final String bitsProp = System.getProperty("sun.arch.data.model"); out.println("OS: <"+PlatformPropsImpl.OS+"> CPU: <"+PlatformPropsImpl.ARCH+"> Bits: <"+bitsPtr+"/"+bitsProp+">"); out.println(machine.toString()); final long[] valuesSource = { 0x0123456789ABCDEFL, 0x8877665544332211L, 0xAFFEDEADBEEFAFFEL }; final long[] values32Bit = { 0x0000000089ABCDEFL, 0x0000000044332211L, 0x00000000BEEFAFFEL }; final PointerBuffer ptr = direct ? PointerBuffer.allocateDirect(3) : PointerBuffer.allocate(valuesSource.length); ptr.put(valuesSource, 0, valuesSource.length); ptr.rewind(); int i=0; while(ptr.hasRemaining()) { final long v = ptr.get() ; final long t = Platform.is32Bit() ? values32Bit[i] : valuesSource[i]; Assert.assertTrue("Value["+i+"] shall be 0x"+Long.toHexString(t)+", is: 0x"+Long.toHexString(v), t == v); i++; } Assert.assertTrue("iterator "+i+" != "+valuesSource.length, i==valuesSource.length); } @Test public void testDirect () { testImpl (true); } @Test public void testIndirect () { testImpl (false); } public static void main(final String args[]) throws IOException { final String tstname = TestPointerBufferEndian.class.getName(); org.junit.runner.JUnitCore.main(tstname); } }