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-rw-r--r--lib/stdlib/test/unicode_util_SUITE.erl27
1 files changed, 20 insertions, 7 deletions
diff --git a/lib/stdlib/test/unicode_util_SUITE.erl b/lib/stdlib/test/unicode_util_SUITE.erl
index 962b307b07..044b4e5834 100644
--- a/lib/stdlib/test/unicode_util_SUITE.erl
+++ b/lib/stdlib/test/unicode_util_SUITE.erl
@@ -126,17 +126,30 @@ verify_gc(Line0, N, Acc) ->
%io:format("Line: ~s~n",[Line]),
[Data|_Comments] = string:tokens(Line, "#"),
- %io:format("Data: ~w~n",[string:tokens(Data, " \t")]),
+ %% io:format("Data: ~w~n",[string:tokens(Data, " \t")]),
{Str,Res} = gc_test_data(string:tokens(Data, " \t"), [], [[]]),
- try
- Res = fetch(Str, fun unicode_util:gc/1),
- Acc
- catch _Cl:{badmatch, Other} ->
+ %% io:format("InputStr: ~w ~w~n",[Str,unicode:characters_to_binary(Str)]),
+ case verify_gc(Str, Res, N, Line) andalso
+ verify_gc(unicode:characters_to_binary(Str), Res, N, Line0) of
+ true -> Acc;
+ false -> Acc+1
+ end.
+
+verify_gc({error,_,[CP|_]}=Err, _Res, N, Line) ->
+ IsSurrogate = 16#D800 =< CP andalso CP =< 16#DFFF,
+ %% Surrogat is not valid in utf8 encoding only utf16
+ IsSurrogate orelse
+ io:format("~w: ~ts~n Error in unicode:characters_to_binary ~w~n", [N, Line, Err]),
+ IsSurrogate;
+verify_gc(Str, Res, N, Line) ->
+ try fetch(Str, fun unicode_util:gc/1) of
+ Res -> true;
+ Other ->
io:format("Failed: ~p~nInput: ~ts~n\t=> ~w |~ts|~n",[N, Line, Str, Str]),
io:format("Expected: ~p~n", [Res]),
io:format("Got: ~w~n", [Other]),
- Acc+1;
- Cl:R:Stacktrace ->
+ false
+ catch Cl:R:Stacktrace ->
io:format("~p: ~ts => |~tp|~n",[N, Line, Str]),
io:format("Expected: ~p~n", [Res]),
erlang:raise(Cl,R,Stacktrace)