* Fix invalid_utf8_test test

src/conf_parse.erl

@@ -139,6 +139,13 @@ utf8_test() ->
     ?assertMatch(Expected, Actual),
     ok.
 
+invalid_utf8_test() ->
+    InvalidCodePoint = 16#11FFFF,
+    Expected = {error, <<"setting = thing">>, [InvalidCodePoint, $\n]},
+    Actual = conf_parse:parse("setting = thing" ++ [InvalidCodePoint] ++ "\n"),
+    ?assertMatch(Expected, Actual),
+    ok.
+
 invalid_included_file_test() ->
     Conf = conf_parse:file("test/invalid_include_file.conf"),
     ?assertMatch({[], _PathWithNewLineAndCarriage, {{line,_}, {column, _}}}, Conf),
@@ -182,14 +189,20 @@ file(Filename) ->
      end.
 
 -spec parse(binary() | list()) -> any().
-parse(List) when is_list(List) -> parse(unicode:characters_to_binary(List));
+parse(List) when is_list(List) ->
+    case unicode:characters_to_binary(List) of
+        Binary when is_binary(Binary) ->
+            parse(Binary);
+        ErrorOrIncomplete ->
+            ErrorOrIncomplete
+    end;
 parse(Input) when is_binary(Input) ->
-  _ = setup_memo(),
-  Result = case 'config'(Input,{{line,1},{column,1}}) of
-             {AST, <<>>, _Index} -> AST;
-             Any -> Any
-           end,
-  release_memo(), Result.
+    _ = setup_memo(),
+    Result = case 'config'(Input,{{line,1},{column,1}}) of
+                 {AST, <<>>, _Index} -> AST;
+                 Any -> Any
+             end,
+    release_memo(), Result.
 
 -spec 'config'(input(), index()) -> parse_result().
 'config'(Input, Index) ->