repeat.t

use v6;

use Test;

=begin pod

This file was derived from the perl5 CPAN module Perl6::Rules,
version 0.3 (12 Apr 2004), file t/repeat.t.

It has (hopefully) been, and should continue to be, updated to
be valid perl6.

=end pod

# Note: single-quotes.t tests repetition on single quoted items in regexes.

plan 22;

# L<S05/Bracket rationalization/The general repetition specifier is now>

# Exact repetition
#?pugs todo
ok("abcabcabcabcd" ~~ m/'abc'**4/, 'Fixed exact repetition');
#?pugs todo
is $/, 'abc' x 4, '...with the correct capture';
ok(!("abcabcabcabcd" ~~ m/'abc'**5/), 'Fail fixed exact repetition');
#?pugs todo force_todo
ok("abcabcabcabcd"    ~~ m/'abc'**{4}/, 'Fixed exact repetition using closure');
#?rakudo todo 'closure repetition'
ok(!( "abcabcabcabcd" ~~ m/'abc'**{5}/ ), 'Fail fixed exact repetition using closure');

# Closed range repetition
#?pugs todo
ok("abcabcabcabcd" ~~ m/'abc'**2..4/, 'Fixed range repetition');
ok(!( "abc"        ~~ m/'abc'**2..4/ ), 'Fail fixed range repetition');
#?pugs todo force_todo
ok("abcabcabcabcd" ~~ m/'abc'**{2..4}/, 'Fixed range repetition using closure');
#?rakudo todo 'closure repetition'
ok(!( "abc"        ~~ m/'abc'**{2..4}/ ), 'Fail fixed range repetition using closure');

# Open range repetition
#?pugs todo
ok("abcabcabcabcd" ~~ m/'abc'**2..*/, 'Open range repetition');
ok(!( "abcd"       ~~ m/'abc'**2..*/ ), 'Fail open range repetition');
#?pugs todo force_todo
ok("abcabcabcabcd" ~~ m/'abc'**{2..*}/, 'Open range repetition using closure');
#?rakudo todo 'closure repetition'
ok(!( "abcd"       ~~ m/'abc'**{2..*}/), 'Fail open range repetition using closure');

# It is illegal to return a list, so this easy mistake fails:
#?pugs todo
eval_dies_ok('"foo" ~~ m/o{1,3}/', 'P5-style {1,3} range mistake is caught');
#?pugs todo
eval_dies_ok('"foo" ~~ m/o{1,}/',  'P5-style {1,} range mistake is caught');

#?pugs todo
is(~('foo,bar,baz,' ~~ m/[<alpha>+]+ %  ','/), 'foo,bar,baz',  '% with a term worked');
#?pugs todo
is(~('foo,bar,baz,' ~~ m/[<alpha>+]+ %% ','/), 'foo,bar,baz,', '%% with a term worked');
#?pugs todo
is(~('foo, bar,' ~~ m/[<alpha>+]+ % [','\s*]/), 'foo, bar', '% with a more complex term');

#?rakudo 3 skip 'nom regression'
ok 'a, b, c' !~~ /:s^<alpha>+%\,$/, 'with no spaces around %, no spaces can be matched';
#?pugs todo
ok 'a, b, c'  ~~ /:s^ <alpha>+ % \, $/, 'with spaces around %, spaces can be matched';
#?pugs todo
ok 'a , b ,c' ~~ /:s^ <alpha>+ % \, $/, 'same, but with leading spaces';

# RT #76792
#?pugs todo
ok ('a b,c,d' ~~ token { \w \s \w+ % \, }), 'can combine % with backslash character classes';

# vim: ft=perl6