Add tests for canonicalizing UCHAR literal characters in N-Quads.

Author: gkellogg

rdf/rdf12/rdf-n-quads/c14n/literal_needing_uchar_escaping-01-c14n.nq

@@ -0,0 +1 @@
+<http://a.example/s> <http://a.example/p> "\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007\u000B\u000E\u000F\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017\u0018\u0019\u001A\u001B\u001C\u001D\u001E\u001F\u007F\uFFFE\uFFFF" <http://a.example/g> .

rdf/rdf12/rdf-n-quads/c14n/literal_needing_uchar_escaping-01.nq

@@ -0,0 +1,2 @@
+<http://a.example/s> <http://a.example/p> "\U00000000\U00000001\U00000002\U00000003\U00000004\U00000005\U00000006\U00000007\U0000000B\U0000000E\U0000000F\U00000010\U00000011\U00000012\U00000013\U00000014\U00000015\U00000016\U00000017\U00000018\U00000019\U0000001A\U0000001B\U0000001C\U0000001D\U0000001E\U0000001F\U0000007F\U0000FFFE\U0000FFFF"  <http://a.example/g> .
+# 30 codepoints

rdf/rdf12/rdf-n-quads/c14n/literal_needing_uchar_escaping-02.nq

@@ -58,6 +58,8 @@ PREFIX rdft: <http://www.w3.org/ns/rdftest#>
     :nq-syntax-str-esc-01
     :nq-syntax-str-esc-02
     :nq-syntax-str-esc-03
+    :literal_needing_uchar_escaping-01
+    :literal_needing_uchar_escaping-02
   ) .
 
 :comment_following_triple rdf:type rdft:TestNQuadsPositiveC14N ;
@@ -375,3 +377,19 @@ PREFIX rdft: <http://www.w3.org/ns/rdftest#>
   mf:action    <nq-syntax-str-esc-03.nq> ;
   mf:result    <nq-syntax-str-esc-03-c14n.nq>;
   .
+
+:literal_needing_uchar_escaping-01 rdf:type rdft:TestNQuadsPositiveC14N ;
+  mf:name      "C14N literal_needing_uchar_escaping-01" ;
+  rdfs:comment "Tests canonicalization of strings with codepoints requiring UCHAR escaping, with input using raw UTF-8 data" ;
+  rdft:approval rdft:Proposed ;
+  mf:action    <literal_needing_uchar_escaping-01.nq> ;
+  mf:result    <literal_needing_uchar_escaping-01-c14n.nq>;
+  .
+
+:literal_needing_uchar_escaping-02 rdf:type rdft:TestNQuadsPositiveC14N ;
+  mf:name      "C14N literal_needing_uchar_escaping-02" ;
+  rdfs:comment "Tests canonicalization of strings with codepoints requiring UCHAR escaping, with input using \\U escaping" ;
+  rdft:approval rdft:Proposed ;
+  mf:action    <literal_needing_uchar_escaping-02.nq> ;
+  mf:result    <literal_needing_uchar_escaping-01-c14n.nq>;
+  .