#!perl -T
use strict;
use warnings;
use Test::More tests => (3 + 3) * 5 + 1;
use B::RecDeparse;
sub add { $_[0] + $_[1] }
sub mul { $_[0] * $_[1] }
sub fma { add mul($_[0], $_[1]), $_[2] }
sub wut { fma $_[0], 2, $_[1] }
sub which {
my ($brd, $yes, $no, $l) = @_;
my $code = $brd->coderef2text(\&wut);
for (@$yes) {
like($code, qr/\b$_\b/, "expansion at level $l contains $_");
}
for (@$no) {
unlike($code, qr/\b$_\b/, "expansion at level $l does not contain $_");
}
$code = eval 'sub ' . $code;
is($@, '', "result compiles at level $l");
is_deeply( [ defined $code, ref $code ], [ 1, 'CODE' ], "result compiles to a code reference at level $l");
is($code->(1, 3), wut(1, 3), "result compiles to the good thing at level $l");
}
my $bd_args = '-sCi0v1';
my $brd = B::RecDeparse->new(deparse => [ $bd_args ], level => -1);
which $brd, [ ], [ qw<add mul fma> ], -1;
$brd = B::RecDeparse->new(deparse => [ $bd_args ], level => 0);
which $brd, [ qw<fma> ], [ qw<add mul> ], 0;
$brd = B::RecDeparse->new(deparse => [ $bd_args ], level => 1);
which $brd, [ qw<add mul> ], [ qw<fma> ], 1;
$brd = B::RecDeparse->new(deparse => [ $bd_args ], level => 2);
which $brd, [ ], [ qw<add mul fma> ], 2;
$brd = B::RecDeparse->new(deparse => [ $bd_args ], level => 3);
which $brd, [ ], [ qw<add mul fma> ], 2;
sub fakegv { return @_ }
eval { $brd->coderef2text(sub { return fakegv() }) };
is($@, '', 'don\'t croak on non-CV GV\'s at level >= 1');