Add JSON.pm to third_party

third_party/JSON/JSON-2.59/t/11_pc_expo.t

+# copied over from JSON::PC and modified to use JSON
+# copied over from JSON::XS and modified to use JSON
+
+use Test::More;
+use strict;
+BEGIN { plan tests => 8 };
+
+BEGIN { $ENV{PERL_JSON_BACKEND} = "JSON::backportPP"; }
+
+use JSON;
+
+#########################
+my ($js,$obj);
+my $pc = new JSON;
+
+$js  = q|[-12.34]|;
+$obj = $pc->decode($js);
+is($obj->[0], -12.34, 'digit -12.34');
+$js = $pc->encode($obj);
+is($js,'[-12.34]', 'digit -12.34');
+
+$js  = q|[-1.234e5]|;
+$obj = $pc->decode($js);
+is($obj->[0], -123400, 'digit -1.234e5');
+$js = $pc->encode($obj);
+is($js,'[-123400]', 'digit -1.234e5');
+
+$js  = q|[1.23E-4]|;
+$obj = $pc->decode($js);
+is($obj->[0], 0.000123, 'digit 1.23E-4');
+$js = $pc->encode($obj);
+
+if ( $js =~ /\[1/ ) { # for 5.6.2 on Darwin 8.10.0
+    like($js, qr/[1.23[eE]-04]/, 'digit 1.23E-4');
+}
+else {
+    is($js,'[0.000123]', 'digit 1.23E-4');
+}
+
+
+
+$js  = q|[1.01e+67]|; # 30 -> 67 ... patched by H.Merijn Brand
+$obj = $pc->decode($js);
+is($obj->[0], 1.01e+67, 'digit 1.01e+67');
+$js = $pc->encode($obj);
+like($js,qr/\[1.01[Ee]\+0?67\]/, 'digit 1.01e+67');
+