public void SkipVarIntOk()
{
var buf = Buf(VarIntHelper.GetVarInt32Bytes(889863845U));
buf.SkipVarInt();
Assert.True(buf.End);
buf = Buf(VarIntHelper.GetVarInt64Bytes(ulong.MaxValue));
buf.SkipVarInt();
Assert.True(buf.End);
Assert.Throws <InvalidDataException>(() => buf.SkipVarInt());
buf = Buf(VarIntHelper.GetVarInt64Bytes(ulong.MaxValue).TakeWhile(x => x > 128).ToArray());
Assert.Throws <InvalidDataException>(() => buf.SkipVarInt());
buf = Buf(Enumerable.Range(0, 20).Select(x => (byte)128).ToArray());
Assert.Throws <InvalidDataException>(() => buf.SkipVarInt());
}
public void GetVarInt32BytesSeemsOk()
{
var b0 = VarIntHelper.GetVarInt32Bytes(0U);
Assert.Equal(1, b0.Length);
Assert.Equal(0, b0[0]);
for (var i = 1; i < 5; i++)
{
var breakingPoint = VarIntHelper.GetVarInt32Bytes((1U << (7 * i)) - 1);
Assert.Equal(i, breakingPoint.Length);
Assert.True(breakingPoint.Take(i - 1).All(x => x == 255));
Assert.Equal(127, breakingPoint.Last());
var next = VarIntHelper.GetVarInt32Bytes(1U << (7 * i));
Assert.Equal(i + 1, next.Length);
Assert.True(next.Take(i).All(x => x == 128));
Assert.Equal(1, next.Last());
}
}
