IronRuby.Tests.Tests.ParseIntegers1 C# (CSharp) Method

        public void ParseIntegers1() {
            IntegerValue x;
            Assert((x = Tokenizer.ParseInteger("", 0)).Equals(0));
            Assert((x = Tokenizer.ParseInteger("", 16)).Equals(0));
            Assert((x = Tokenizer.ParseInteger("    ", 0)).Equals(0));
            Assert((x = Tokenizer.ParseInteger("-", 0)).Equals(0));
            Assert((x = Tokenizer.ParseInteger("+", 0)).Equals(0));
            Assert((x = Tokenizer.ParseInteger("0", 0)).Equals(0));
            Assert((x = Tokenizer.ParseInteger("00", 0)).Equals(0));
            Assert((x = Tokenizer.ParseInteger("0x", 0)).Equals(0));
            Assert((x = Tokenizer.ParseInteger("0x", 0)).Equals(0));
            Assert((x = Tokenizer.ParseInteger("-0x", 0)).Equals(0));
            Assert((x = Tokenizer.ParseInteger("+0x", 0)).Equals(0));
            Assert((x = Tokenizer.ParseInteger("  1234   ", 0)).Equals(1234));
            Assert((x = Tokenizer.ParseInteger("  1_2_3_4   ", 0)).Equals(1234));
            Assert((x = Tokenizer.ParseInteger("  _1234   ", 0)).Equals(0));
            Assert((x = Tokenizer.ParseInteger("  12a34   ", 0)).Equals(12));
            Assert((x = Tokenizer.ParseInteger("  1_2__34   ", 0)).Equals(12));
            Assert((x = Tokenizer.ParseInteger("  -1_2", 0)).Equals(-12));
            Assert((x = Tokenizer.ParseInteger("0x1234", 0)).Equals(0x1234));
            Assert((x = Tokenizer.ParseInteger("0x1234", 10)).Equals(0));
            Assert((x = Tokenizer.ParseInteger("0b102", 0)).Equals(2));
            Assert((x = Tokenizer.ParseInteger("1000_000000_0000000000", 0)).Bignum.ToString() == "10000000000000000000");
            Assert((x = Tokenizer.ParseInteger("1000000_000000_0000000", 16)).Bignum.ToString() == "75557863725914323419136");
            Assert((x = Tokenizer.ParseInteger("0x1000000_000000_0000000", 0)).Bignum.ToString() == "75557863725914323419136");
            Assert((x = Tokenizer.ParseInteger("0b1000000_000000_0000000", 0)).Equals(524288));
            Assert((x = Tokenizer.ParseInteger("-0b1000000_000000_0000000", 0)).Equals(-524288));
        }