Ejemplo n.º 1
0
        public void TestReadOnlyMemory()
        {
            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 MemoryStreamer(mem);
                var span2 = new MemoryStreamer(mem);

                for (var i = 0; i < writeRepeatCount; i++)
                {
                    var a = new Span <byte>(answer).Slice(memSize * i, memSize);
                    span1.Write(a);
                }

                // Ensure span is not zero
                var ac = 0;
                for (var wrc = 0; wrc < writeRepeatCount; wrc++)
                {
                    var r = span2.ReadBytes(memSize);

                    for (var i = 0; i < r.Length; i++)
                    {
                        Assert.Equal(answer[ac++], r[i]);
                    }
                }

                Assert.Throws <ArgumentException>(() =>
                {
                    var s = new MemoryStreamer(mem);
                    s.Write(new Span <byte>(new byte[mem.Length + 1]));
                });
            }
        }