Add JSON.pm to third_party

third_party/JSON/JSON-2.59/t/13_limit.t

Index: third_party/JSON/JSON-2.59/t/13_limit.t
diff --git a/third_party/JSON/JSON-2.59/t/13_limit.t b/third_party/JSON/JSON-2.59/t/13_limit.t
new file mode 100644
index 0000000000000000000000000000000000000000..4ca8b0c363b4f7e615921614940e9c219c88a5fb
--- /dev/null
+++ b/third_party/JSON/JSON-2.59/t/13_limit.t
@@ -0,0 +1,34 @@
+use strict;
+use Test::More;
+
+BEGIN { plan tests => 11 };
+
+BEGIN { $ENV{PERL_JSON_BACKEND} = "JSON::backportPP"; }
+
+use JSON;
+
+
+my $def = 512;
+
+my $js = JSON->new;
+
+{
+    local $^W = undef; # avoid for warning 'Deep recursion on subroutin'
+
+ok (!eval { $js->decode (("[" x ($def + 1)) . ("]" x ($def + 1))) });
+ok (ref $js->decode (("[" x $def) . ("]" x $def)));
+ok (ref $js->decode (("{\"\":" x ($def - 1)) . "[]" . ("}" x ($def - 1))));
+ok (!eval { $js->decode (("{\"\":" x $def) . "[]" . ("}" x $def)) });
+
+ok (ref $js->max_depth (32)->decode (("[" x 32) . ("]" x 32)));
+
+ok ($js->max_depth(1)->encode ([]));
+ok (!eval { $js->encode ([[]]), 1 });
+
+ok ($js->max_depth(2)->encode ([{}]));
+ok (!eval { $js->encode ([[{}]]), 1 });
+
+ok (eval { ref $js->max_size (8)->decode ("[      ]") });
+eval { $js->max_size (8)->decode ("[       ]") }; ok ($@ =~ /max_size/);
+
+}