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#!/usr/bin/perl
# 07_a.t (was border.t). Test Border stuff.

use strict;
use Acme::EyeDrops qw(sightly get_eye_string);

select(STDERR);$|=1;select(STDOUT);$|=1;  # autoflush

# --------------------------------------------------

sub build_file {
   my ($f, $d) = @_;
   local *F; open(F, '>'.$f) or die "open '$f': $!";
   print F $d or die "write '$f': $!"; close(F);
}

# --------------------------------------------------

print "1..16\n";

my $hellostr = <<'HELLO';
print "hello world\n";
HELLO
my $camelstr  = get_eye_string('camel');
my $camel2str = $camelstr . "\n\n\n" . $camelstr;
my $tmpf = 'bill.tmp';

# Test bailing out via InformHandler when presented with a
# diabolical shape which sends sightly() into an infinite loop.
my $max_shapes = 5;
my $exp_throw_str = "bailing out after " . ($max_shapes+1) . " shapes.\n";
sub throw_inform {
   $_[0] =~ /^(\d+) / or die "oops, invalid ihandler string";
   $1 > $max_shapes and die "bailing out after $1 shapes.\n";
}

# Simple test of InformHandler.
my $inform_string;
sub test_inform { $inform_string .= $_[0] }

# -------------------------------------------------

my $itest = 0;
my $prog;

# -------------------------------------------------

eval {
   sightly( { ShapeString    => "#\n#\n#\n#\n#\n",
              SourceString   => "# Example nasty shape\n;1;\n",
              InformHandler  => \&throw_inform,
              Regex          => 1 } );
};
$@ or print "not ";
++$itest; print "ok $itest - InformHandler throw\n";
$@ eq $exp_throw_str or print "not ";
++$itest; print "ok $itest - InformHandler throw string\n";

# -------------------------------------------------

$prog = sightly({ Shape         => 'camel',
                  SourceString  => $hellostr,
                  BorderWidth   => 2,
                  BorderGap     => 1,
                  InformHandler => \&test_inform,
                  Regex         => 1 } );
build_file($tmpf, $prog);