use strict;
use warnings;

my $Skip_safe_mode;
BEGIN {
    $Skip_safe_mode = 1;  # "ERROR: verbatim Perl 5 blocks not allowed in safe mode:"
}
use Test::More tests => ($Skip_safe_mode ? 6 : 10);

mkdir 'tmp' if !-e 'tmp';

sub test {
    my $name = shift;
    my $code = shift;
    my $exit_code = shift;
    my $expected = shift;
    my $expected_count = shift;
    my $module = ucfirst($name);
    my $pmfile = "tmp/$module.pm";
    unlink $pmfile if -f $pmfile;
    my $exit = system("$^X -Ilib util/compile_p6grammar.pl -T -D examples/$name.grammar > $pmfile");
    #warn "EXIT CODE: $exit";
    $exit = $exit >> 8;
    #warn "EXIT CODE (2): $exit";
    is $exit, $exit_code, "$name.grammar compiles okay";
    if ($exit == 0) {
        my $cmd = qq{$^X -Ilib -Itmp -M$module -e "$code"};
        my $out = `$cmd`;
        chomp($out);
        my $count = $out =~ s/^>>(?:BEGIN|END) \w+<<[^\n]+\n//gsm;
        is $out, $expected, "output of [ $cmd ] okay";
        is $count, $expected_count, 'debugging output count ok';
    }
}

test('adder', "print Adder->add('3 + 23')->()", 255)
    unless $Skip_safe_mode;
#die;
test('adder', "print Adder->add('532+49')->()", 255)
    unless $Skip_safe_mode;

test('digits', "print Digits->count('49a3')->()", 255)
    unless $Skip_safe_mode;

test('langs', "print My::VB->def('Dim a, b As double')->{'My::C.var_list'}", 0, 'a, b', 96);

test('langs2', "print My::VB->def('Dim a, b As double')->{'My::C.var_list'}", 0, 'a, b ', 100);

test('Grammar', "print Pugs::Grammar::Rule->rule('a b')->to", 255)
    unless $Skip_safe_mode;