Test nqp::getstrfromname and nqp::codepointfromname with NULL

Author: pmurias

t/nqp/106-unicodenames.t

@@ -1,4 +1,4 @@
-plan(29);
+plan(31);
 is(nqp::getstrfromname('FULL STOP'), '.', 'getstrfromname works');
 is(nqp::codepointfromname('FULL STOP'), nqp::ord('.'), 'codepointfromname works');
 is(nqp::getstrfromname('super fake not real name'), '', 'getstrfromname returns empty string for nonexistant codepoint names');
@@ -35,6 +35,9 @@ else {
 
 }
 
+is(nqp::codepointfromname('NULL'), 0, 'nqp::codepointfromname with NULL');
+is(nqp::getstrfromname('NULL'), "\0", 'nqp::getstrfromname with NULL');
+
 is(nqp::codepointfromname('LATIN CAPITAL LETTER A'), 65, 'nqp::codepointfromname');
 
 is(nqp::codepointfromname('NO SUCH NAME IN UNICODE WHATSOEVER'), -1, 'nqp::codepointfromname with missing unicode character name');