File: 14token_ident.t

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libparser-mgc-perl 0.22-1
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#!/usr/bin/perl

use v5.14;
use warnings;

use Test2::V0;

package TestParser {
   use base qw( Parser::MGC );

   sub parse
   {
      my $self = shift;

      return $self->token_ident;
   }
}

my $parser = TestParser->new;

is( $parser->from_string( "foo" ), "foo", 'Identifier' );

is( $parser->from_string( "x" ), "x", 'Single-letter identifier' );

is( dies { $parser->from_string( "123" ) },
   qq[Expected ident on line 1 at:\n] .
   qq[123\n] .
   qq[^\n],
   'Exception from "123" failure' );

ok( dies { $parser->from_string( "some-ident" ) }, '"some-ident" fails on default identifier' );

$parser = TestParser->new(
   patterns => { ident => qr/[[:alpha:]_][\w-]+/ },
);

is( $parser->from_string( "some-ident" ), "some-ident", '"some-ident" passes with new token pattern' );

done_testing;