public void TestSingleDotNotParsingAsNumber()
{
ReadOnlySpan <char> input = ".";
var result = SimpleTokenizer.TryParseNumericToken(ref input);
Assert.Null(result);
Assert.Equal(1, input.Length);
}
public void TestTryParseNumericToken(string input, int expected)
{
var span = input.AsSpan();
var token = SimpleTokenizer.TryParseNumericToken(ref span);
Assert.NotNull(token);
Assert.True(span.IsEmpty);
var numberToken = Assert.IsType <IntegerConstantToken>(token);
Assert.Equal(expected, numberToken.Value);
}
