public void CannotReadNegativeOne()
{
var input = "-1";
var factory = new BitLexerFactory(new AlternativeLexerFactory(), new TerminalLexerFactory());
var bitLexer = factory.Create();
using (var scanner = new TextScanner(new StringTextSource(input)))
{
var result = bitLexer.Read(scanner);
Assert.NotNull(result);
Assert.False(result.Success);
Assert.Null(result.Element);
}
}
public void CanReadZero()
{
var input = "0";
var factory = new BitLexerFactory(new AlternativeLexerFactory(), new TerminalLexerFactory());
var bitLexer = factory.Create();
using (var scanner = new TextScanner(new StringTextSource(input)))
{
var result = bitLexer.Read(scanner);
Assert.NotNull(result);
Assert.True(result.Success);
Assert.NotNull(result.Element);
Assert.Equal(input, result.Element.Text);
}
}