7 use Test::Leaner 'no_plan';
9 use Scalar::Vec::Util qw<vrot vcopy SVU_SIZE>;
12 *myfill = *Scalar::Vec::Util::vfill_pp;
13 *myeq = *Scalar::Vec::Util::veq_pp;
16 for ([ 1, 'offset', -1 ], [ 2, 'length', '-1' ]) {
18 $args[$_->[0]] = $_->[2];
20 eval { &vrot(@args) };
22 my $line = __LINE__-2;
23 like $err, qr/^Invalid\s+negative\s+$_->[1]\s+at\s+\Q$0\E\s+line\s+$line/,
33 myfill $_[0], 0, $n, 0;
38 my (undef, $a, $b, $c, $x) = @_;
40 myfill $_[0], 0, $a, $x;
41 myfill $_[0], $a, $b, 1 - $x;
42 myfill $_[0], $a + $b, $c, $x;
43 myfill $_[0], $a + $b + $c, $n - ($a + $b + $c), 1 - $x;
47 my (undef, $s, $l, $b, $left) = @_;
49 myfill $_[0], 0, $s, 0;
50 myfill $_[0], $s, $n - $s, 1;
57 myfill $_[0], 0, $s, 0;
60 myfill $_[0], $s, $b, 0;
61 myfill $_[0], $s + $b, $lx, 1;
62 myfill $_[0], $s + $b + $lx, $l - $lx - $b, 0;
64 myfill $_[0], $s, $b - $ly, 1;
65 myfill $_[0], $s + $b - $ly, $ly, 0;
66 myfill $_[0], $s + $b, $l - $b, 1;
70 myfill $_[0], $s, $lx - $b, 1;
71 myfill $_[0], $s + $lx - $b, $l - $lx, 0;
72 myfill $_[0], $s + $l - $b, $b, 1;
74 myfill $_[0], $s, $ly - ($b - $lx), 0;
75 myfill $_[0], $s + $l - $b, $lx, 1;
76 myfill $_[0], $s + $l + $lx - $b, $b - $lx, 0;
79 myfill $_[0], $s + $l, $n - $s - $l, 1;
83 my (undef, $n, $desc) = @_;
85 $s .= vec($_[0], $_, 1) for 0 .. $n - 1;
89 my ($v, $v0, $c) = ('', '') x 2;
93 my @s = ($p - $q) .. ($p + $q);
95 for my $l (0 .. $n - 1) {
99 pat $v0, $s, $l2, $l - $l2, 0;
100 my @b = (0, 3, 5, 7, 11, 13, 17, $l2, $l2 + 1, $l + 1);
101 @b = do { my %seen; ++$seen{$_} for @b; sort keys %seen };
103 my $desc = "vrot $s, $l, $b";
105 expected $c, $s, $l, $b, $left;
106 $b = -$b unless $left;
108 is length $v, length $c, "$desc: length";
109 ok myeq($v, 0, $c, 0, $n), "$desc: bits" or do {
110 diag "n = $n, s = $s, l = $l, l2 = $l2";
111 prnt $v0, $n, 'original';
113 prnt $c, $n, 'expected';