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-rw-r--r--lib/stdlib/test/string_SUITE.erl40
1 files changed, 29 insertions, 11 deletions
diff --git a/lib/stdlib/test/string_SUITE.erl b/lib/stdlib/test/string_SUITE.erl
index fccd1bef95..a55c710d50 100644
--- a/lib/stdlib/test/string_SUITE.erl
+++ b/lib/stdlib/test/string_SUITE.erl
@@ -217,21 +217,39 @@ substr(Config) when is_list(Config) ->
?line {'EXIT',_} = (catch string:substr("1234", "1")),
ok.
-tokens(suite) ->
- [];
-tokens(doc) ->
- [];
tokens(Config) when is_list(Config) ->
- ?line [] = string:tokens("",""),
- ?line [] = string:tokens("abc","abc"),
- ?line ["abc"] = string:tokens("abc", ""),
- ?line ["1","2 34","4","5"] = string:tokens("1,2 34,4;5", ";,"),
- %% invalid arg type
- ?line {'EXIT',_} = (catch string:tokens('x,y', ",")),
+ [] = string:tokens("",""),
+ [] = string:tokens("abc","abc"),
+ ["abc"] = string:tokens("abc", ""),
+ ["1","2 34","45","5","6","7"] = do_tokens("1,2 34,45;5,;6;,7", ";,"),
+
%% invalid arg type
- ?line {'EXIT',_} = (catch string:tokens("x,y", ',')),
+ {'EXIT',_} = (catch string:tokens('x,y', ",")),
+ {'EXIT',_} = (catch string:tokens("x,y", ',')),
ok.
+do_tokens(S0, Sep0) ->
+ [H|T] = Sep0,
+ S = [replace_sep(C, T, H) || C <- S0],
+ Sep = [H],
+ io:format("~p ~p\n", [S0,Sep0]),
+ io:format("~p ~p\n", [S,Sep]),
+
+ Res = string:tokens(S0, Sep0),
+ Res = string:tokens(Sep0++S0, Sep0),
+ Res = string:tokens(S0++Sep0, Sep0),
+
+ Res = string:tokens(S, Sep),
+ Res = string:tokens(Sep++S, Sep),
+ Res = string:tokens(S++Sep, Sep),
+
+ Res.
+
+replace_sep(C, Seps, New) ->
+ case lists:member(C, Seps) of
+ true -> New;
+ false -> C
+ end.
chars(suite) ->
[];