System.IO.Tests.MemoryStreamTests.MemoryStream_LengthTest C# (CSharp) Méthode

        public static void MemoryStream_LengthTest()
        {
            using (MemoryStream ms2 = new MemoryStream())
            {
                // [] Get the Length when position is at length
                ms2.SetLength(50);
                ms2.Position = 50;
                StreamWriter sw2 = new StreamWriter(ms2);
                for (char c = 'a'; c < 'f'; c++)
                    sw2.Write(c);
                sw2.Flush();
                Assert.Equal(55, ms2.Length);

                // Somewhere in the middle (set the length to be shorter.)
                ms2.SetLength(30);
                Assert.Equal(30, ms2.Length);
                Assert.Equal(30, ms2.Position);

                // Increase the length
                ms2.SetLength(100);
                Assert.Equal(100, ms2.Length);
                Assert.Equal(30, ms2.Position);
            }
        }