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|
# !perl
#$Id: 05_scalar_ref.t 1215 2008-02-09 23:46:05Z jimk $
# 05_scalar_ref.t - test say() when printing to string via reference to scalar
use strict;
use warnings;
use Test::More tests => 27;
use lib ( qq{./t/lib} );
BEGIN {
use_ok('Perl6::Say');
use_ok('Carp');
use_ok('Perl6::Say::Auxiliary', qw| _validate capture_say_scalar |);
};
my %diagnostics = (
open => qq{Cannot open filehandle to scalar ref for writing},
close => qq{Cannot close filehandle to scalar ref after writing},
);
my ($say_sub, $msg, @list);
##### Global Filehandle: Direct #####
SKIP: {
my $skipped_tests = (27 - 3);
eval { require 5.008 };
my $reason =
q{Writing to in-memory files (>\$string) not supported prior to Perl 5.8};
skip $reason,
$skipped_tests
if $@;
$say_sub = sub {
my $arg = shift;
my $string = q{};
open FH, ">", \$string or croak $diagnostics{open};
ref($arg eq q{ARRAY}) ? say FH @{$arg} : say FH $arg;
close FH or croak $diagnostics{close};
return $string;
};
$msg= q{correctly printed to string via global filehandle};
@list = ( 'Hello', ' ', 'World' );
capture_say_scalar( {
data => \@list, pred => 1, eval => $say_sub, msg => $msg,
} );
@list = ( 'Hello', ' ', 'World', "\n" );
capture_say_scalar( {
data => \@list, pred => 2, eval => $say_sub, msg => $msg,
} );
@list = ( 'Hello', ' ', 'World', "\n", 'Again!', "\n" );
capture_say_scalar( {
data => \@list, pred => 3, eval => $say_sub, msg => $msg,
} );
@list = ( );
capture_say_scalar( {
data => \@list, pred => 1, eval => $say_sub, msg => $msg,
} );
##### Global Filehandle: Arrow #####
$say_sub = sub {
my $arg = shift;
my $string = q{};
open FH, ">", \$string or croak $diagnostics{open};
ref($arg eq q{ARRAY}) ? FH->say(@{$arg}) : FH->say($arg);
close FH or croak $diagnostics{close};
return $string;
};
$msg= q{correctly printed to string via global filehandle, arrow syntax};
@list = ( 'Hello', ' ', 'World' );
capture_say_scalar( {
data => \@list, pred => 1, eval => $say_sub, msg => $msg,
} );
@list = ( 'Hello', ' ', 'World', "\n" );
capture_say_scalar( {
data => \@list, pred => 2, eval => $say_sub, msg => $msg,
} );
@list = ( 'Hello', ' ', 'World', "\n", 'Again!', "\n" );
capture_say_scalar( {
data => \@list, pred => 3, eval => $say_sub, msg => $msg,
} );
@list = ( );
capture_say_scalar( {
data => \@list, pred => 1, eval => $say_sub, msg => $msg,
} );
##### Global Filehandle: Typeglob #####
$say_sub = sub {
my $arg = shift;
my $string = q{};
open FH, ">", \$string or croak $diagnostics{open};
ref($arg eq q{ARRAY}) ? *FH->say(@{$arg}) : *FH->say($arg);
close FH or croak $diagnostics{close};
return $string;
};
$msg= q{correctly printed to string via global filehandle, typeglob syntax};
@list = ( 'Hello', ' ', 'World' );
capture_say_scalar( {
data => \@list, pred => 1, eval => $say_sub, msg => $msg,
} );
@list = ( 'Hello', ' ', 'World', "\n" );
capture_say_scalar( {
data => \@list, pred => 2, eval => $say_sub, msg => $msg,
} );
@list = ( 'Hello', ' ', 'World', "\n", 'Again!', "\n" );
capture_say_scalar( {
data => \@list, pred => 3, eval => $say_sub, msg => $msg,
} );
@list = ( );
capture_say_scalar( {
data => \@list, pred => 1, eval => $say_sub, msg => $msg,
} );
##### Global Filehandle: Reference to Typeglob #####
$say_sub = sub {
my $arg = shift;
my $string = q{};
open FH, ">", \$string or croak $diagnostics{open};
ref($arg eq q{ARRAY}) ? (*FH)->say(@{$arg}) : (*FH)->say($arg);
close FH or croak $diagnostics{close};
return $string;
};
$msg= q{correctly printed to string via global filehandle, ref to typeglob syntax};
@list = ( 'Hello', ' ', 'World' );
capture_say_scalar( {
data => \@list, pred => 1, eval => $say_sub, msg => $msg,
} );
@list = ( 'Hello', ' ', 'World', "\n" );
capture_say_scalar( {
data => \@list, pred => 2, eval => $say_sub, msg => $msg,
} );
@list = ( 'Hello', ' ', 'World', "\n", 'Again!', "\n" );
capture_say_scalar( {
data => \@list, pred => 3, eval => $say_sub, msg => $msg,
} );
@list = ( );
capture_say_scalar( {
data => \@list, pred => 1, eval => $say_sub, msg => $msg,
} );
##### Lexical Filehandle: Comma #####
$say_sub = sub {
my $arg = shift;
my $string = q{};
open my $fh, ">", \$string or croak $diagnostics{open};
ref($arg eq q{ARRAY}) ? say $fh, @{$arg} : say $fh, $arg;
close $fh or croak $diagnostics{close};
return $string;
};
$msg= q{correctly printed to string via lexical filehandle, comma syntax};
@list = ( 'Hello', ' ', 'World' );
capture_say_scalar( {
data => \@list, pred => 1, eval => $say_sub, msg => $msg,
} );
@list = ( 'Hello', ' ', 'World', "\n" );
capture_say_scalar( {
data => \@list, pred => 2, eval => $say_sub, msg => $msg,
} );
@list = ( 'Hello', ' ', 'World', "\n", 'Again!', "\n" );
capture_say_scalar( {
data => \@list, pred => 3, eval => $say_sub, msg => $msg,
} );
@list = ( );
capture_say_scalar( {
data => \@list, pred => 1, eval => $say_sub, msg => $msg,
} );
##### Lexical Filehandle: Arrow #####
$say_sub = sub {
my $arg = shift;
my $string = q{};
open my $fh, ">", \$string or croak $diagnostics{open};
ref($arg eq q{ARRAY}) ? $fh->say(@{$arg}) : $fh->say($arg);
close $fh or croak $diagnostics{close};
return $string;
};
$msg= q{correctly printed to string via lexical filehandle, arrow syntax};
@list = ( 'Hello', ' ', 'World' );
capture_say_scalar( {
data => \@list, pred => 1, eval => $say_sub, msg => $msg,
} );
@list = ( 'Hello', ' ', 'World', "\n" );
capture_say_scalar( {
data => \@list, pred => 2, eval => $say_sub, msg => $msg,
} );
@list = ( 'Hello', ' ', 'World', "\n", 'Again!', "\n" );
capture_say_scalar( {
data => \@list, pred => 3, eval => $say_sub, msg => $msg,
} );
@list = ( );
capture_say_scalar( {
data => \@list, pred => 1, eval => $say_sub, msg => $msg,
} );
} # End SKIP block
|
