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#
# $Id: test.pl,v 1.2 2002/09/03 18:26:11 jaldhar Exp $
#
# Before `make install' is performed this script should be runnable with
# `make test'. After `make install' it should work as `perl test.pl'
use Test::More tests => 6;
BEGIN { use_ok('Acme::Brainfuck', qw/verbose/) };
my $a = +++[>+++<-]> ;
ok ( $a == 9, ' Do + - < > [ ] work?');
$a = "\t";
tie *STDIN, 'Tie::Handle::Scalar', \$a;
my $b = , ;
ok ( $b == 9, ' Does , work?');
untie *STDIN;
$a = '';
tie *STDOUT, 'Tie::Handle::Scalar', \$a;
..
ok ( $a eq "\t\t", ' Does . work?');
untie *STDOUT;
$a = '';
tie *STDERR, 'Tie::Handle::Scalar', \$a;
#
ok ( $a eq "\$p = 1 \$m[\$p]= 9\n", ' Does # work?');
untie *STDERR;
$a = ~ ;
ok ( $a == 0, ' Does ~ work?');
no Acme::Brainfuck;
#
# This is Tie::Handle::Scalar
# It is reproduced in full here as it isn't a core module so it may not
# be installed everywhere.
#
package Tie::Handle::Scalar;
use base 'Tie::Handle';
use Carp;
use FileHandle;
sub TIEHANDLE {
my $class = bless {}, shift;
my ($stringref) = @_;
if (! defined($stringref)) {
my $temp_s = '';
$stringref = \$temp_s;
}
if (ref($stringref) ne "SCALAR") {
croak "need a reference to a scalar,";
}
$class->{position} = 0;
$class->{data} = $stringref;
$class->{end} = 0;
my $tmpfile = $class->{tmpfile} = '.tmp.' . $$;
$class->{fh} = new FileHandle "$tmpfile",
O_RDWR|O_CREAT or croak "$tmpfile: $!";
$class->{FILENO} = $class->{fh}->fileno();
$class;
}
sub FILENO {
my $class = shift;
return $class->{FILENO};
}
sub WRITE {
my $class = shift;
my($buf,$len,$offset) = @_;
$offset = 0 if (! defined $offset);
my $data = substr($buf, $offset, $len);
my $n = length($data);
$class->print($data);
return $n;
}
sub PRINT {
my $class = shift;
${$class->{data}} .= join('', @_);
$class->{position} = length(${$class->{data}});
1;
}
sub PRINTF {
my $class = shift;
my $fmt = shift;
$class->PRINT(sprintf $fmt, @_);
}
sub READ {
my $class = shift;
my ($buf,$len,$offset) = @_;
$offset = 0 if (! defined $offset);
my $data = ${ $class->{data} };
if ($class->{end} >= length($data)) {
return 0;
}
$buf = substr($data,$offset,$len);
$_[0] = $buf;
$class->{end} += length($buf);
return length($buf);
}
sub READLINE {
my $class = shift;
if ($class->{end} >= length(${ $class->{data} })) {
return undef;
}
my $recsep = $/;
my $rod = substr(${ $class->{data} }, $class->{end}, -1);
$rod =~ m/^(.*)$recsep{0,1}/; # use 0,1 for line sep to include possible no \n on last line
my $line = $1 . $recsep;
$class->{end} += length($line);
return $line;
}
sub CLOSE {
my $class = shift;
if (-e $class->{tmpfile}) {
$class->{fh}->close();
unlink $class->{tmpfile} or warn $!;
}
$class = undef;
1;
}
sub DESTROY {
my $class = shift;
if (-e $class->{tmpfile}) {
unlink $class->{tmpfile} or warn $!;
}
$class = undef;
1;undef $class;
}
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