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1use strict;
2use Test::More;
3BEGIN { plan tests => 16 };
4
5BEGIN { $ENV{PERL_JSON_BACKEND} = 1; }
6
7use JSON;
8
9SKIP: {
10    skip "can't use JSON::XS.", 16, unless( JSON->backend->is_xs );
11
12my $o1 = bless { a => 3 }, "XX";
13my $o2 = bless \(my $dummy = 1), "YY";
14
15sub XX::TO_JSON {
16   {'__',""}
17}
18
19my $js = JSON->new;
20
21eval { $js->encode ($o1) }; ok ($@ =~ /allow_blessed/);
22eval { $js->encode ($o2) }; ok ($@ =~ /allow_blessed/);
23$js->allow_blessed;
24ok ($js->encode ($o1) eq "null");
25ok ($js->encode ($o2) eq "null");
26$js->convert_blessed;
27ok ($js->encode ($o1) eq '{"__":""}');
28
29ok ($js->encode ($o2) eq "null");
30
31$js->filter_json_object (sub { 5 });
32$js->filter_json_single_key_object (a => sub { shift });
33$js->filter_json_single_key_object (b => sub { 7 });
34
35ok ("ARRAY" eq ref $js->decode ("[]"));
36ok (5 eq join ":", @{ $js->decode ('[{}]') });
37ok (6 eq join ":", @{ $js->decode ('[{"a":6}]') });
38ok (5 eq join ":", @{ $js->decode ('[{"a":4,"b":7}]') });
39
40$js->filter_json_object;
41ok (7 == $js->decode ('[{"a":4,"b":7}]')->[0]{b});
42ok (3 eq join ":", @{ $js->decode ('[{"a":3}]') });
43
44$js->filter_json_object (sub { });
45ok (7 == $js->decode ('[{"a":4,"b":7}]')->[0]{b});
46ok (9 eq join ":", @{ $js->decode ('[{"a":9}]') });
47
48$js->filter_json_single_key_object ("a");
49ok (4 == $js->decode ('[{"a":4}]')->[0]{a});
50
51$js->filter_json_single_key_object (a => sub {});
52ok (4 == $js->decode ('[{"a":4}]')->[0]{a});
53
54}
55