+my $json = new C4::Output::JSONStream;
+is($json->output,'{}',"Making sure JSON output is blank just after its created.");
+$json->param( issues => [ 'yes!', 'please', 'no' ] );
+is($json->output,'{"issues":["yes!","please","no"]}',"Making sure JSON output has added what we told it to.");
+$json->param( stuff => ['realia'] );
+is($json->output,'{"issues":["yes!","please","no"],"stuff":["realia"]}',"Making sure JSON output has added more params correctly.");
+$json->param( stuff => ['fun','love'] );
+is($json->output,'{"issues":["yes!","please","no"],"stuff":["fun","love"]}',"Making sure JSON output can obverwrite params.");
+
+eval{$json->param( die )};
+ok($@,'Dies');
+
+eval{$json->param( die => ['yes','sure','now'])};
+ok(!$@,'Dosent die.');
+eval{$json->param( die => ['yes','sure','now'], die2 =>)};
+ok($@,'Dies.');