public void TestVLQInt64()
{
var rnd = new Random();
for (var c = 0; c < count; c++)
{
var memSize = rnd.Next(1, 10_000);
var mem = new byte[memSize * SpanUtils.MeasureVLQ(UInt64.MaxValue) + 1];
var span1 = new SpanStream(mem);
var span2 = new SpanStream(mem);
var data = new Int64[memSize];
for (var i = 0; i < memSize; i++)
{
data[i] = rnd.NextInt64();
}
for (var i = 0; i < memSize; i++)
{
span1.WriteVLQ(data[i]);
}
for (var i = 0; i < memSize; i++)
{
Assert.Equal(data[i], span2.ReadVLQInt64(out var len));
Assert.Equal(SpanUtils.MeasureVLQ(data[i]), len);
}
// Check overflow
new Span <byte>(mem).Fill(0xFF);
Assert.Throws <OverflowException>(() =>
{
var span3 = new SpanStream(mem);
span3.ReadVLQInt64(out _);
});
}
}