public void TestSizedString()
{
var rnd = new Random();
for (var c = 0; c < count; c++)
{
var memSize = rnd.Next(0, 1024);
var mem = new byte[(memSize + 4) * writeRepeatCount * 4];
var answer = new string[writeRepeatCount];
var span1 = new SpanStream(mem);
var span2 = new SpanStream(mem);
for (var i = 0; i < writeRepeatCount; i++)
{
var str = rnd.NextString("abcæøå诶 比西αβγ", memSize);
answer[i] = str;
span1.WriteSized(str);
}
for (var i = 0; i < writeRepeatCount; i++)
{
var r = span2.ReadSizedString(out var len);
Assert.Equal(answer[i], r);
}
}
}
public void TestSizedReadWriteReadOnlySpan()
{
var rnd = new Random();
for (var c = 0; c < count; c++)
{
var memSize = rnd.Next(1, 10_000);
var mem = new byte[(memSize + 4) * writeRepeatCount + 10];
var answer = new byte[memSize * writeRepeatCount];
rnd.NextBytes(answer);
var span1 = new SpanStream(mem);
var span2 = new ReadOnlySpanStream(new ReadOnlySpan <byte>(mem));
span1.WriteSized(new Span <byte>(answer));
span1.Write(1234);
var bytes = span2.ReadSizedBytes(out var length);
Assert.Equal(answer, bytes);
Assert.Equal(1234, span2.ReadInt32());
}
}
public void TestSizedSpan()
{
var rnd = new Random();
for (var c = 0; c < count; c++)
{
var memSize = rnd.Next(1, 10_000);
var mem = new byte[(memSize + 4) * writeRepeatCount];
var answer = new byte[memSize * writeRepeatCount];
rnd.NextBytes(answer);
var span1 = new SpanStream(mem);
var span2 = new SpanStream(mem);
for (var i = 0; i < writeRepeatCount; i++)
{
var a = new ReadOnlySpan <byte>(answer).Slice(memSize * i, memSize);
span1.WriteSized(a);
}
var ac = 0;
for (var wrc = 0; wrc < writeRepeatCount; wrc++)
{
var r = span2.ReadSizedBytes(out var len);
for (var i = 0; i < r.Length; i++)
{
Assert.Equal(answer[ac++], r[i]);
}
}
Assert.Throws <ArgumentException>(() =>
{
var s = new SpanStream(mem);
s.WriteSized(new Span <byte>(new byte[mem.Length + 1]));
});
}
}
