IronRuby.Tests.Tests.MutableString_Remove_Char C# (CSharp) Method

        public void MutableString_Remove_Char() {
            var e = RubyEncoding.UTF8;

            MutableString x;
            x = MutableString.Create("", e);
            for (int i = 0; i < 10; i++) {
                x.Append((char)('0' + i), 10);
            }
            Assert(x.GetCharCount() == 100);
            x.Remove(20, 60);
            Assert(x.GetCharCount() == 40);
            Assert(x.GetChar(0) == '0');
            Assert(x.GetChar(10) == '1');
            Assert(x.GetChar(20) == '8');
            Assert(x.GetChar(30) == '9');

            x = MutableString.Create("123", e);
            Assert(x.Equals(MS("123", e)));
            x.Remove(0, 1);
            Assert(x.Equals(MS("23", e)));
            x.Remove(1, 1);
            Assert(x.Equals(MS("2", e)));
            x.Remove(0, 1);
            Assert(x.Equals(MS("", e)));
        }