use Test;

plan 14;

#L<S05/New metacharacters/"As with the disjunctions | and ||">

{

my $str = 'x' x 7;

ok $str ~~ m/x||xx||xxxx/;

is ~$/, 'x', 'first || alternative matches';

ok $str ~~ m/xx||x||xxxx/;

is ~$/, 'xx', 'first || alternative matches';

}

{

my $str = 'x' x 3;

ok $str ~~ m/xxxx||xx||x/;

is ~$/, 'xx', 'second alternative || matches if first fails';

}

#L<S05/"Variable (non-)interpolation"/"An interpolated array:">

{

my $str = 'x' x 7;

my @list = <x xx xxxx>;

ok $str ~~ m/ ||@list /;

is ~$/, 'x', 'first ||@list alternative matches';

@list = <xx x xxxx>;

ok $str ~~ m/ ||@list /;

is ~$/, 'xx', 'first ||@list alternative matches';

}

# L<S05/Backtracking control>

# https://github.com/Raku/old-issue-tracker/issues/5804

# https://github.com/Raku/old-issue-tracker/issues/6474

{

is 'ab' ~~ / [ab || a ] b /, 'ab', 'backtrack into ||';

is 'ab' ~~ / [ab || a ]: b /, Nil, 'don\'t backtrack into [ || ]:';

is 'ab' ~~ / :r [ab || a ] b /, Nil, 'don\'t backtrack into || under :r';

is 'ab' ~~ / :r [ab || a ]:! b /, 'ab', 'backtrack into [ || ]:! despite :r';

}

# vim: expandtab shiftwidth=4