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#!/usr/bin/perl
# Unit testing for PPI::Token::Prototype
use strict;
BEGIN {
$| = 1;
$^W = 1;
no warnings 'once';
$PPI::XS_DISABLE = 1;
$PPI::Lexer::X_TOKENIZER ||= $ENV{X_TOKENIZER};
}
use Test::More tests => 801;
use Test::NoWarnings;
use PPI;
PARSING: {
for my $name (
'sub foo',
'sub foo ',
'sub',
'sub ',
'sub AUTOLOAD',
'sub AUTOLOAD ',
'sub DESTROY',
'sub DESTROY ',
) {
for my $block ( '{1;}', ';' ) {
for my $proto_and_expected (
[ '', '', '' ],
[ '()', '()', '' ],
[ '( )', '( )', '' ],
[ ' () ',, '()', '' ],
[ '(+@)', '(+@)', '+@' ],
[ ' (+@) ', '(+@)', '+@' ],
[ '(\[$;$_@])', '(\[$;$_@])', '\[$;$_@]' ],
[ '(\ [ $ ])', '(\ [ $ ])', '\[$]' ],
[ '(\\\ [ $ ])', '(\\\ [ $ ])', '\\\[$]' ], # nonsense, but perl accepts it
[ '($ _ %)', '($ _ %)', '$_%' ],
[ '( Z)', '( Z)', 'Z' ], # invalid chars in prototype
[ '(!-=|)', '(!-=|)', '!-=|' ], # invalid chars in prototype
[ '(()', '(()', '(' ], # perl refuses to compile this
) {
my ( $code_prototype, $expected_content, $expected_prototype ) = @$proto_and_expected;
my $code = "$name$code_prototype$block";
my $document = PPI::Document->new( \$code );
isa_ok( $document, 'PPI::Document', $code );
my $all_prototypes = $document->find( 'PPI::Token::Prototype' );
if ( $code_prototype eq '' ) {
is( $all_prototypes, "", "$code: got no prototypes" );
}
else {
$all_prototypes = [] if !ref $all_prototypes;
is( scalar(@$all_prototypes), 1, "$code: got exactly one prototype" );
my $prototype_obj = $all_prototypes->[0];
is( $prototype_obj, $expected_content, "$code: prototype object content matches" );
is( $prototype_obj->prototype, $expected_prototype, "$code: prototype characters match" );
}
}
}
}
}
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