public int CreatesUsing3Values(ulong inValue, ulong smallValue, ulong mediumValue, ulong largeValue)
{
var packer = new VarIntPacker(smallValue, mediumValue, largeValue);
packer.PackUlong(writer, inValue);
return(writer.BitPosition);
}
public void ThrowsIfMediumIsOver62()
{
ArgumentException exception = Assert.Throws <ArgumentException>(() =>
{
_ = VarIntPacker.FromBitCount(5, 63);
});
var expected = new ArgumentException("Medium bits must be 62 or less", "mediumBits");
Assert.That(exception, Has.Message.EqualTo(expected.Message));
}
public void ThrowsIfLargeIsOver64()
{
ArgumentException exception = Assert.Throws <ArgumentException>(() =>
{
_ = VarIntPacker.FromBitCount(5, 10, 65);
});
var expected = new ArgumentException("Large bits must be 64 or less", "largeBits");
Assert.That(exception, Has.Message.EqualTo(expected.Message));
}
public void ThrowsIfLargeLessThanMedium()
{
ArgumentException exception = Assert.Throws <ArgumentException>(() =>
{
_ = VarIntPacker.FromBitCount(4, 10, 8);
});
var expected = new ArgumentException("Large value must be greater than medium value", "largeBits");
Assert.That(exception, Has.Message.EqualTo(expected.Message));
}
public void ThrowsIfMediumLessThanSmall()
{
ArgumentException exception = Assert.Throws <ArgumentException>(() =>
{
_ = VarIntPacker.FromBitCount(6, 5);
});
var expected = new ArgumentException("Medium value must be greater than small value", "mediumBits");
Assert.That(exception, Has.Message.EqualTo(expected.Message));
}
public void ThrowsIfSmallBitIsZero()
{
ArgumentException exception = Assert.Throws <ArgumentException>(() =>
{
_ = VarIntPacker.FromBitCount(0, 10);
});
var expected = new ArgumentException("Small value can not be zero", "smallBits");
Assert.That(exception, Has.Message.EqualTo(expected.Message));
}
public UintPackerTests(ulong smallValue, ulong mediumValue, ulong?largeValue)
{
if (largeValue.HasValue)
{
packer = new VarIntPacker(smallValue, mediumValue, largeValue.Value, false);
max = largeValue.Value;
}
else
{
packer = new VarIntPacker(smallValue, mediumValue);
max = ulong.MaxValue;
}
}
public void WritesMaxIfOverLargeValue(ulong inValue, int largeBits)
{
ulong max = BitMask.Mask(largeBits);
var packer = VarIntPacker.FromBitCount(1, 2, largeBits, false);
Assert.DoesNotThrow(() =>
{
packer.PackUlong(writer, inValue);
packer.PackUint(writer, (uint)inValue);
packer.PackUlong(writer, (ushort)inValue);
});
NetworkReader reader = GetReader();
ulong unpack1 = packer.UnpackUlong(reader);
uint unpack2 = packer.UnpackUint(reader);
ushort unpack3 = packer.UnpackUshort(reader);
Assert.That(unpack1, Is.EqualTo(max));
Assert.That(unpack2, Is.EqualTo(max));
Assert.That(unpack3, Is.EqualTo(max));
}
public void ThrowsWhenValueIsOverLargeValue()
{
var packer = VarIntPacker.FromBitCount(1, 2, 3, true);
ArgumentOutOfRangeException exception1 = Assert.Throws <ArgumentOutOfRangeException>(() =>
{
packer.PackUlong(writer, 20);
});
ArgumentOutOfRangeException exception2 = Assert.Throws <ArgumentOutOfRangeException>(() =>
{
packer.PackUint(writer, 20);
});
ArgumentOutOfRangeException exception3 = Assert.Throws <ArgumentOutOfRangeException>(() =>
{
packer.PackUlong(writer, 20);
});
var expected = new ArgumentOutOfRangeException("value", 20, $"Value is over max of {7}");
Assert.That(exception1, Has.Message.EqualTo(expected.Message));
Assert.That(exception2, Has.Message.EqualTo(expected.Message));
Assert.That(exception3, Has.Message.EqualTo(expected.Message));
}