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#!/usr/bin/perl
# Unit testing for PPI::Token::Prototype
use lib 't/lib';
use PPI::Test::pragmas;
use Test::More tests => 120 + ( $ENV{AUTHOR_TESTING} ? 1 : 0 );
use PPI ();
use Helper 'safe_new';
sub check;
sub check_w_subs;
PARSING: {
my @sub_patterns;
for my $block ( '{1;}', ';' ) {
push @sub_patterns, #
map [ $_, $block ], 'sub foo', 'sub', 'sub AUTOLOAD', 'sub DESTROY';
}
check_w_subs \@sub_patterns, '', '', '';
check_w_subs \@sub_patterns, '()', '()', '';
check_w_subs \@sub_patterns, '( )', '( )', '';
check_w_subs \@sub_patterns, ' () ',, '()', '';
check_w_subs \@sub_patterns, '(+@)', '(+@)', '+@';
check_w_subs \@sub_patterns, ' (+@) ', '(+@)', '+@';
check_w_subs \@sub_patterns, '(\[$;$_@])', '(\[$;$_@])', '\[$;$_@]';
check_w_subs \@sub_patterns, '(\ [ $ ])', '(\ [ $ ])', '\[$]';
## nonsense, but perl accepts it
check_w_subs \@sub_patterns, '(\\\ [ $ ])', '(\\\ [ $ ])', '\\\[$]';
check_w_subs \@sub_patterns, '($ _ %)', '($ _ %)', '$_%';
## invalid chars in prototype
check_w_subs \@sub_patterns, '( Z)', '( Z)', 'Z';
## invalid chars in prototype
check_w_subs \@sub_patterns, '(!-=|)', '(!-=|)', '!-=|';
## perl refuses to compile this
check_w_subs \@sub_patterns, '(()', '(()', '(', 1;
check_w_subs \@sub_patterns, '((a))', '((a))', '(a)';
check_w_subs \@sub_patterns, #
"(\n(\na\n)\n)", "(\n(\na\n)\n)", "(a)";
}
sub check_w_subs {
local $Test::Builder::Level = $Test::Builder::Level + 1;
check @{$_}, @_ for @{ shift() };
return;
}
sub check {
local $Test::Builder::Level = $Test::Builder::Level + 1;
my ( $name, $block, $code_prototype, $expected_content,
$expected_prototype, $tail )
= @_;
my $desc = my $code = "$name$code_prototype$block";
$desc =~ s/\n/\\n/g;
subtest $desc => sub {
my $document = safe_new \$code;
my $all_prototypes = $document->find('PPI::Token::Prototype');
return is $all_prototypes, "", "got no prototypes"
if $code_prototype eq '';
$all_prototypes = [] if !ref $all_prototypes;
is scalar(@$all_prototypes), 1, "got exactly one prototype";
my $prototype_obj = $all_prototypes->[0];
is $prototype_obj, $expected_content . ( $tail ? $block : "" ),
"prototype object content matches";
is $prototype_obj->prototype,
$expected_prototype . ( $tail ? ")$block" : "" ),
"prototype characters match";
};
return;
}
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