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lineno-torture.t
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lineno-torture.t
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use warnings;
use strict;
use Test::More;
use Function::Parameters;
fun actual_location_of_line_with($marker) {
seek DATA, 0, 0 or die "seek DATA: $!";
my $loc = 0;
while (my $line = readline DATA) {
$loc++;
index($line, $marker) >= 0
and return $loc;
}
undef
}
fun test_loc($marker) {
my $expected = actual_location_of_line_with $marker;
defined $expected or die "$marker: something done fucked up";
my $got = (caller)[2];
is $got, $expected, "location of '$marker'";
}
sub {
test_loc 'LT torture begin.';
use integer;
my $r = shift;
my $a = shift;
my $b = shift;
test_loc 'LT torture A.';
@_ = (
sub {
my $f = shift;
test_loc 'LT torture B.';
@_ = (
sub {
my $f = shift;
test_loc 'LT torture C.';
@_ = (
sub {
my $f = shift;
test_loc 'LT torture D.';
@_ = (
sub {
my $n = shift;
test_loc 'LT torture end.';
@_ = $n;
goto &$r;
},
$b
);
goto &$f;
},
$a
);
goto &$f;
},
sub {
my $r = shift;
my $f = shift;
@_ = sub {
my $r = shift;
my $x = shift;
@_ = sub {
my $r = shift;
my $y = shift;
test_loc 'LT torture body.';
if ($x && $y) {
@_ = (
sub {
my $f = shift;
@_ = ($r, ($x & $y) << 1);
goto &$f;
},
$x ^ $y
);
goto &$f;
}
@_ = $x ^ $y;
goto &$r;
};
goto &$r;
};
goto &$r;
}
);
goto &$f;
},
sub {
my $r = shift;
my $y = shift;
@_ = sub {
my $r = shift;
my $f = shift;
@_ = sub {
my $r = shift;
my $x = shift;
@_ = (
sub {
my $f = shift;
@_ = ($r, $x);
goto &$f;
},
sub {
my $r = shift;
my $x = shift;
@_ = (
sub {
my $g = shift;
@_ = (
sub {
my $f = shift;
@_ = ($r, $x);
goto &$f;
},
$f
);
goto &$g;
},
$y
);
goto &$y;
}
);
goto &$f;
};
goto &$r;
};
goto &$r;
}
);
goto & {
sub {
my $r = shift;
my $f = shift;
test_loc 'LT torture boot.';
@_ = ($r, $f);
goto &$f;
}
};
}->(sub { my $n = shift; is $n, 2, '1 + 1 = 2' }, 1, 1);
{
#local $TODO = 'line numbers all fucked up';
fun ($r, $a, $b) {
test_loc 'LX torture begin.';
use integer;
test_loc 'LX torture A.';
@_ = ( do { test_loc 'LX torture A-post.'; () },
do { test_loc 'LX torture B-pre.'; () }, fun ($f) { test_loc 'LX torture B-pre.';
test_loc 'LX torture B.';
@_ = (
fun ($f) {
test_loc 'LX torture C.';
@_ = (
fun ($f) {
test_loc 'LX torture D.';
@_ = (
fun ($n) {
test_loc 'LX torture end.';
@_ = $n;
goto &$r;
},
$b
);
goto &$f;
},
$a
);
goto &$f;
},
fun ($r, $f) {
@_ = fun ($r, $x) {
@_ = fun ($r, $y) {
test_loc 'LX torture body.';
if ($x && $y) {
@_ = (
fun ($f) {
@_ = ($r, ($x & $y) << 1);
goto &$f;
},
$x ^ $y
);
goto &$f;
}
@_ = $x ^ $y;
goto &$r;
};
goto &$r;
};
goto &$r;
}
);
goto &$f;
},
fun ($r, $y) {
@_ = fun ($r, $f) {
@_ = fun ($r, $x) {
@_ = (
fun ($f) {
@_ = ($r, $x);
goto &$f;
},
fun ($r, $x) {
@_ = (
fun ($g) {
@_ = (
fun ($f) {
@_ = ($r, $x);
goto &$f;
},
$f
);
goto &$g;
},
$y
);
goto &$y;
}
);
goto &$f;
};
goto &$r;
};
goto &$r;
}
);
goto & {
fun ($r, $f) {
test_loc 'LX torture boot.';
@_ = ($r, $f);
goto &$f;
}
};
}->(fun ($n) { is $n, 2, '1 + 1 = 2' }, 1, 1);
}
done_testing;
__DATA__