public void LittleEndianBitConverter_Int32()
{
const int n = sizeof(Int32);
const Int32 pos = 0x11223344;
const Int32 zero = 0;
const Int32 neg = -pos;
var posRepr = new byte[] { 0x44, 0x33, 0x22, 0x11 };
// --------------------------------------------------------------
var buffer = new byte[n];
LittleEndianBitConverter.FillBytes(pos, buffer);
Assert.IsTrue(buffer.SequenceEqual(posRepr));
Assert.IsTrue(LittleEndianBitConverter.GetBytes(pos).SequenceEqual(buffer));
Assert.AreEqual(pos, LittleEndianBitConverter.ToInt32(buffer));
LittleEndianBitConverter.FillBytes(zero, buffer);
Assert.IsTrue(buffer.SequenceEqual(new byte[n]));
Assert.IsTrue(LittleEndianBitConverter.GetBytes(zero).SequenceEqual(buffer));
Assert.AreEqual(zero, LittleEndianBitConverter.ToInt32(buffer));
LittleEndianBitConverter.FillBytes(neg, buffer);
Assert.IsTrue(buffer.SequenceEqual(Neg(posRepr)));
Assert.IsTrue(LittleEndianBitConverter.GetBytes(neg).SequenceEqual(buffer));
Assert.AreEqual(neg, LittleEndianBitConverter.ToInt32(buffer));
}
public void LittleEndianBitConverter_Double()
{
const int n = sizeof(Double);
const Double pos = Math.PI;
const Double zero = 0;
const Double neg = -pos;
var posRepr = GetCanonicalRepresentation(pos);
var negRepr = GetCanonicalRepresentation(neg);
// --------------------------------------------------------------
var buffer = new byte[n];
LittleEndianBitConverter.FillBytes(pos, buffer);
Assert.IsTrue(buffer.SequenceEqual(posRepr));
Assert.IsTrue(LittleEndianBitConverter.GetBytes(pos).SequenceEqual(buffer));
Assert.AreEqual(pos, LittleEndianBitConverter.ToDouble(buffer));
LittleEndianBitConverter.FillBytes(zero, buffer);
Assert.IsTrue(buffer.SequenceEqual(new byte[n]));
Assert.IsTrue(LittleEndianBitConverter.GetBytes(zero).SequenceEqual(buffer));
Assert.AreEqual(zero, LittleEndianBitConverter.ToDouble(buffer));
LittleEndianBitConverter.FillBytes(neg, buffer);
Assert.IsTrue(buffer.SequenceEqual(negRepr));
Assert.IsTrue(LittleEndianBitConverter.GetBytes(neg).SequenceEqual(buffer));
Assert.AreEqual(neg, LittleEndianBitConverter.ToDouble(buffer));
}
public void LittleEndianBitConverter_Decimal()
{
const int n = sizeof(Decimal);
const Decimal pos = 3.1415926535897932384626433833m;
const Decimal zero = 0;
const Decimal neg = -pos;
var posRepr = GetCanonicalRepresentation(pos);
var negRepr = GetCanonicalRepresentation(neg);
// --------------------------------------------------------------
var buffer = new byte[n];
LittleEndianBitConverter.FillBytes(pos, buffer);
Assert.IsTrue(buffer.SequenceEqual(posRepr));
Assert.IsTrue(LittleEndianBitConverter.GetBytes(pos).SequenceEqual(buffer));
Assert.AreEqual(pos, LittleEndianBitConverter.ToDecimal(buffer));
LittleEndianBitConverter.FillBytes(zero, buffer);
Assert.IsTrue(buffer.SequenceEqual(new byte[n]));
Assert.IsTrue(LittleEndianBitConverter.GetBytes(zero).SequenceEqual(buffer));
Assert.AreEqual(zero, LittleEndianBitConverter.ToDecimal(buffer));
LittleEndianBitConverter.FillBytes(neg, buffer);
Assert.IsTrue(buffer.SequenceEqual(negRepr));
Assert.IsTrue(LittleEndianBitConverter.GetBytes(neg).SequenceEqual(buffer));
Assert.AreEqual(neg, LittleEndianBitConverter.ToDecimal(buffer));
}
public void LittleEndianBitConverter_Boolean()
{
var buffer = new byte[1];
LittleEndianBitConverter.FillBytes(true, buffer);
Assert.AreEqual(1, buffer[0]);
Assert.IsTrue(LittleEndianBitConverter.GetBytes(true).SequenceEqual(buffer));
Assert.AreEqual(true, LittleEndianBitConverter.ToBoolean(buffer));
LittleEndianBitConverter.FillBytes(false, buffer);
Assert.AreEqual(0, buffer[0]);
Assert.IsTrue(LittleEndianBitConverter.GetBytes(false).SequenceEqual(buffer));
Assert.AreEqual(false, LittleEndianBitConverter.ToBoolean(buffer));
}
public void LittleEndianBitConverter_UInt16()
{
const int n = sizeof(UInt16);
const UInt16 pos = 0x1122;
const UInt16 zero = 0;
var posRepr = new byte[] { 0x22, 0x11 };
// --------------------------------------------------------------
var buffer = new byte[n];
LittleEndianBitConverter.FillBytes(pos, buffer);
Assert.IsTrue(buffer.SequenceEqual(posRepr));
Assert.IsTrue(LittleEndianBitConverter.GetBytes(pos).SequenceEqual(buffer));
Assert.AreEqual(pos, LittleEndianBitConverter.ToUInt16(buffer));
LittleEndianBitConverter.FillBytes(zero, buffer);
Assert.IsTrue(buffer.SequenceEqual(new byte[n]));
Assert.IsTrue(LittleEndianBitConverter.GetBytes(zero).SequenceEqual(buffer));
Assert.AreEqual(zero, LittleEndianBitConverter.ToUInt16(buffer));
}
public void LittleEndianBitConverter_UInt64()
{
const int n = sizeof(UInt64);
const UInt64 pos = 0x1122334455667788;
const UInt64 zero = 0;
var posRepr = new byte[] { 0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11 };
// --------------------------------------------------------------
var buffer = new byte[n];
LittleEndianBitConverter.FillBytes(pos, buffer);
Assert.IsTrue(buffer.SequenceEqual(posRepr));
Assert.IsTrue(LittleEndianBitConverter.GetBytes(pos).SequenceEqual(buffer));
Assert.AreEqual(pos, LittleEndianBitConverter.ToUInt64(buffer));
LittleEndianBitConverter.FillBytes(zero, buffer);
Assert.IsTrue(buffer.SequenceEqual(new byte[n]));
Assert.IsTrue(LittleEndianBitConverter.GetBytes(zero).SequenceEqual(buffer));
Assert.AreEqual(zero, LittleEndianBitConverter.ToUInt64(buffer));
}
