public void TestFileBackedLessthanZeroLength()
        {
            ArgumentException expected = null;
            string            filename = "testfile";

            try
            {
                MemoryMappedFile mmf = MemoryMappedFile.CreateWithFileBacking(filename, true, -1);
            }
            catch (ArgumentException ex)
            {
                expected = ex;
            }
            Assert.IsNotNull(expected);
        }
        public void TestFileBackedEmptyName()
        {
            ArgumentException expected = null;
            long maxSize = 0x10000;

            try
            {
                MemoryMappedFile mmf = MemoryMappedFile.CreateWithFileBacking(string.Empty, true, maxSize);
            }
            catch (ArgumentException ex)
            {
                expected = ex;
            }

            Assert.IsNotNull(expected);
        }