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-rw-r--r--lib/stdlib/test/string_SUITE.erl12
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/stdlib/test/string_SUITE.erl b/lib/stdlib/test/string_SUITE.erl
index fdff2d24b8..29fabb4583 100644
--- a/lib/stdlib/test/string_SUITE.erl
+++ b/lib/stdlib/test/string_SUITE.erl
@@ -810,6 +810,18 @@ do_measure(DataDir) ->
Do2(slice, repeat(fun() -> string:slice(S0, 20, 15) end), list),
Do2(slice, repeat(fun() -> string:slice(S0B, 20, 15) end), binary),
+ LCase = "areaa reare rerar earea reare reare",
+ LCaseB = unicode:characters_to_binary(LCase),
+ UCase = string:uppercase(LCase),
+ UCaseB = unicode:characters_to_binary(UCase),
+
+ Do2(to_upper_0, repeat(fun() -> string:to_upper(UCase) end), list),
+ Do2(uppercase_0, repeat(fun() -> string:uppercase(UCase) end), list),
+ Do2(uppercase_0, repeat(fun() -> string:uppercase(UCaseB) end), binary),
+ Do2(to_upper_a, repeat(fun() -> string:to_upper(LCase) end), list),
+ Do2(uppercase_a, repeat(fun() -> string:uppercase(LCase) end), list),
+ Do2(uppercase_a, repeat(fun() -> string:uppercase(LCaseB) end), binary),
+
io:format("--~n",[]),
NthTokens = {nth_lexemes, fun(Str) -> string:nth_lexeme(Str, 18000, [$\n,$\r]) end},
[Do(Name,Fun,Mode) || {Name,Fun} <- [NthTokens], Mode <- [list, binary]],