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#!/usr/bin/perl
# Unit testing for PPI::Lexer
use lib 't/lib';
use PPI::Test::pragmas;
use Test::More tests => 49 + ($ENV{AUTHOR_TESTING} ? 1 : 0);
use PPI ();
use Helper 'safe_new';
UNMATCHED_BRACE: {
my $token = new_ok( 'PPI::Token::Structure' => [ ')' ] );
my $brace = new_ok( 'PPI::Statement::UnmatchedBrace' => [ $token ] );
is( $brace->content, ')', '->content ok' );
}
_CURLY: {
my $document = safe_new \<<'END_PERL';
use constant { One => 1 };
use constant 1 { One => 1 };
$foo->{bar};
$foo[1]{bar};
$foo{bar};
sub {1};
grep { $_ } 0 .. 2;
map { $_ => 1 } 0 .. 2;
sort { $b <=> $a } 0 .. 2;
do {foo};
$foo = { One => 1 };
$foo ||= { One => 1 };
1, { One => 1 };
One => { Two => 2 };
{foo, bar};
{foo => bar};
{};
+{foo, bar};
{; => bar};
@foo{'bar', 'baz'};
@{$foo}{'bar', 'baz'};
${$foo}{bar};
return { foo => 'bar' };
bless { foo => 'bar' };
$foo &&= { One => 1 };
$foo //= { One => 1 };
$foo //= { 'a' => 1, 'b' => 2 };
0 || { One => 1 };
1 && { One => 1 };
undef // { One => 1 };
$x ? {a=>1} : 1;
$x ? 1 : {a=>1};
$x ? {a=>1} : {b=>1};
CHECK { foo() }
open( CHECK, '/foo' );
END_PERL
$document->index_locations();
my @statements;
foreach my $elem ( @{ $document->find( 'PPI::Statement' ) || [] } ) {
$statements[ $elem->line_number() - 1 ] ||= $elem;
}
is( scalar(@statements), 35, 'Found 35 statements' );
isa_ok( $statements[0]->schild(2), 'PPI::Structure::Constructor',
'The curly in ' . $statements[0]);
isa_ok( $statements[1]->schild(3), 'PPI::Structure::Constructor',
'The curly in ' . $statements[1]);
isa_ok( $statements[2]->schild(2), 'PPI::Structure::Subscript',
'The curly in ' . $statements[2]);
isa_ok( $statements[3]->schild(2), 'PPI::Structure::Subscript',
'The curly in ' . $statements[3]);
isa_ok( $statements[4]->schild(1), 'PPI::Structure::Subscript',
'The curly in ' . $statements[4]);
isa_ok( $statements[5]->schild(1), 'PPI::Structure::Block',
'The curly in ' . $statements[5]);
isa_ok( $statements[6]->schild(1), 'PPI::Structure::Block',
'The curly in ' . $statements[6]);
isa_ok( $statements[7]->schild(1), 'PPI::Structure::Block',
'The curly in ' . $statements[7]);
isa_ok( $statements[8]->schild(1), 'PPI::Structure::Block',
'The curly in ' . $statements[8]);
isa_ok( $statements[9]->schild(1), 'PPI::Structure::Block',
'The curly in ' . $statements[9]);
isa_ok( $statements[10]->schild(2), 'PPI::Structure::Constructor',
'The curly in ' . $statements[10]);
isa_ok( $statements[11]->schild(2), 'PPI::Structure::Constructor',
'The curly in ' . $statements[11]);
isa_ok( $statements[12]->schild(2), 'PPI::Structure::Constructor',
'The curly in ' . $statements[12]);
isa_ok( $statements[13]->schild(2), 'PPI::Structure::Constructor',
'The curly in ' . $statements[13]);
isa_ok( $statements[14]->schild(0), 'PPI::Structure::Block',
'The curly in ' . $statements[14]);
isa_ok( $statements[15]->schild(0), 'PPI::Structure::Constructor',
'The curly in ' . $statements[15]);
isa_ok( $statements[16]->schild(0), 'PPI::Structure::Constructor',
'The curly in ' . $statements[16]);
isa_ok( $statements[17]->schild(1), 'PPI::Structure::Constructor',
'The curly in ' . $statements[17]);
isa_ok( $statements[18]->schild(0), 'PPI::Structure::Block',
'The curly in ' . $statements[18]);
isa_ok( $statements[19]->schild(1), 'PPI::Structure::Subscript',
'The curly in ' . $statements[19]);
isa_ok( $statements[20]->schild(2), 'PPI::Structure::Subscript',
'The curly in ' . $statements[20]);
isa_ok( $statements[21]->schild(2), 'PPI::Structure::Subscript',
'The curly in ' . $statements[21]);
isa_ok( $statements[22]->schild(1), 'PPI::Structure::Constructor',
'The curly in ' . $statements[22]);
isa_ok( $statements[23]->schild(1), 'PPI::Structure::Constructor',
'The curly in ' . $statements[23]);
isa_ok( $statements[24]->schild(2), 'PPI::Structure::Constructor',
'The curly in ' . $statements[24]);
isa_ok( $statements[25]->schild(2), 'PPI::Structure::Constructor',
'The curly in ' . $statements[25]);
isa_ok( $statements[26]->schild(2), 'PPI::Structure::Constructor',
'The curly in ' . $statements[26]);
isa_ok( $statements[27]->schild(2), 'PPI::Structure::Constructor',
'The curly in ' . $statements[27]);
isa_ok( $statements[28]->schild(2), 'PPI::Structure::Constructor',
'The curly in ' . $statements[28]);
isa_ok( $statements[29]->schild(2), 'PPI::Structure::Constructor',
'The curly in ' . $statements[29]);
isa_ok( $statements[30]->schild(2), 'PPI::Structure::Constructor',
'The curly in ' . $statements[30]);
isa_ok( $statements[31]->schild(4), 'PPI::Structure::Constructor',
'The curly in ' . $statements[31]);
# Check two things in the same statement
isa_ok( $statements[32]->schild(2), 'PPI::Structure::Constructor',
'The curly in ' . $statements[32]);
isa_ok( $statements[32]->schild(4), 'PPI::Structure::Constructor',
'The curly in ' . $statements[32]);
# Scheduled block (or not)
isa_ok( $statements[33], 'PPI::Statement::Scheduled',
'Scheduled block in ' . $statements[33]);
isa_ok( $statements[34]->schild(1)->schild(0), 'PPI::Statement::Expression',
'Expression (not scheduled block) in ' . $statements[34]);
}
LEX_STRUCTURE: {
# Validate the creation of a null statement
SCOPE: {
my $token = new_ok( 'PPI::Token::Structure' => [ ';' ] );
my $null = new_ok( 'PPI::Statement::Null' => [ $token ] );
is( $null->content, ';', '->content ok' );
}
# Validate the creation of an empty statement
new_ok( 'PPI::Statement' => [ ] );
}
ERROR_HANDLING: {
my $test_lexer = PPI::Lexer->new;
is $test_lexer->errstr, "", "errstr is an empty string at the start";
is $test_lexer->lex_file( undef ), undef, "lex_file fails without a filename";
is( PPI::Lexer->errstr, "Did not pass a filename to PPI::Lexer::lex_file", "error can be gotten from class attribute" );
}
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