/usr/share/perl5/Test/Deep/Set.pm is in libtest-deep-perl 0.113-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | use strict;
use warnings;
package Test::Deep::Set;
use Test::Deep::Cmp;
sub init
{
my $self = shift;
$self->{IgnoreDupes} = shift;
$self->{SubSup} = shift;
$self->{val} = [];
$self->add(@_);
}
sub descend
{
my $self = shift;
my $d1 = shift;
my $d2 = $self->{val};
my $IgnoreDupes = $self->{IgnoreDupes};
my $data = $self->data;
my $SubSup = $self->{SubSup};
my $type = $IgnoreDupes ? "Set" : "Bag";
my $diag;
if (ref $d1 ne 'ARRAY')
{
my $got = Test::Deep::render_val($d1);
$diag = <<EOM;
got : $got
expect : An array to use as a $type
EOM
}
if (not $diag)
{
my @got = @$d1;
my @missing;
foreach my $expect (@$d2)
{
my $found = 0;
for (my $i = $#got; $i >= 0; $i--)
{
if (Test::Deep::eq_deeply_cache($got[$i], $expect))
{
$found = 1;
splice(@got, $i, 1);
last unless $IgnoreDupes;
}
}
push(@missing, $expect) unless $found;
}
my @diags;
if (@missing and $SubSup ne "sub")
{
push(@diags, "Missing: ".nice_list(\@missing));
}
if (@got and $SubSup ne "sup")
{
my $got = __PACKAGE__->new($IgnoreDupes, "", @got);
push(@diags, "Extra: ".nice_list($got->{val}));
}
$diag = join("\n", @diags);
}
if ($diag)
{
$data->{diag} = $diag;
return 0;
}
else
{
return 1;
}
}
sub diagnostics
{
my $self = shift;
my ($where, $last) = @_;
my $type = $self->{IgnoreDupes} ? "Set" : "Bag";
$type = "Sub$type" if $self->{SubSup} eq "sub";
$type = "Super$type" if $self->{SubSup} eq "sup";
my $error = $last->{diag};
my $diag = <<EOM;
Comparing $where as a $type
$error
EOM
return $diag;
}
sub add
{
# this takes an array.
# For each element A of the array, it looks for an element, B, already in
# the set which are deeply equal to A. If no matching B is found then A is
# added to the set. If a B is found and IgnoreDupes is true, then A will
# be discarded, if IgnoreDupes is false, then B will be added to the set
# again.
my $self = shift;
my @array = @_;
my $IgnoreDupes = $self->{IgnoreDupes};
my $already = $self->{val};
local $Test::Deep::Expects = 1;
foreach my $new_elem (@array)
{
my $want_push = 1;
my $push_this = $new_elem;
foreach my $old_elem (@$already)
{
if (Test::Deep::eq_deeply($new_elem, $old_elem))
{
$push_this = $old_elem;
$want_push = ! $IgnoreDupes;
last;
}
}
push(@$already, $push_this) if $want_push;
}
# so we can compare 2 Test::Deep::Set objects using array comparison
@$already = sort {(defined $a ? $a : "") cmp (defined $b ? $b : "")} @$already;
}
sub nice_list
{
my $list = shift;
my @scalars = grep ! ref $_, @$list;
my $refs = grep ref $_, @$list;
my @ref_string = "$refs reference" if $refs;
$ref_string[0] .= "s" if $refs > 1;
# sort them so we can predict the diagnostic output
return join(", ",
(map {Test::Deep::render_val($_)} sort {(defined $a ? $a : "") cmp (defined $b ? $b : "")} @scalars),
@ref_string
);
}
sub compare
{
my $self = shift;
my $other = shift;
return 0 if $self->{IgnoreDupes} != $other->{IgnoreDupes};
# this works (kind of) because the arrays are sorted
return Test::Deep::descend($self->{val}, $other->{val});
}
1;
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