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-rw-r--r--erts/emulator/test/nif_SUITE.erl104
1 files changed, 99 insertions, 5 deletions
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index b9b964f526..370363bf9e 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -35,7 +35,9 @@
resource_takeover/1,
threading/1, send/1, send2/1, send3/1, send_threaded/1, neg/1,
is_checks/1,
- get_length/1, make_atom/1, make_string/1]).
+ get_length/1, make_atom/1, make_string/1, reverse_list_test/1,
+ otp_9668/1
+ ]).
-export([many_args_100/100]).
@@ -60,7 +62,9 @@ all() ->
iolist_as_binary, resource, resource_binary,
resource_takeover, threading, send, send2, send3,
send_threaded, neg, is_checks, get_length, make_atom,
- make_string].
+ make_string,reverse_list_test,
+ otp_9668
+ ].
groups() ->
[].
@@ -257,10 +261,54 @@ types(Config) when is_list(Config) ->
end,
[{},{ok},{{}},{[],{}},{1,2,3,4,5}]),
Stuff = [[],{},0,0.0,(1 bsl 100),(fun()-> ok end),make_ref(),self()],
- [eq_cmp(A,clone(B)) || A<-Stuff, B<-Stuff],
+ [eq_cmp(A,clone(B)) || A<-Stuff, B<-Stuff],
+
+ {IntSz, LongSz} = type_sizes(),
+ UintMax = (1 bsl (IntSz*8)) - 1,
+ IntMax = UintMax bsr 1,
+ IntMin = -(IntMax+1),
+ UlongMax = (1 bsl (LongSz*8)) - 1,
+ LongMax = UlongMax bsr 1,
+ LongMin = -(LongMax+1),
+ Uint64Max = (1 bsl 64) - 1,
+ Int64Max = Uint64Max bsr 1,
+ Int64Min = -(Int64Max+1),
+ Limits = [{IntMin,IntMax},{0,UintMax},{LongMin,LongMax},{0,UlongMax},{Int64Min,Int64Max},{0,Uint64Max}],
+ io:format("Limits = ~p\n", [Limits]),
+ lists:foreach(fun(I) ->
+ R1 = echo_int(I),
+ %%io:format("echo_int(~p) -> ~p\n", [I, R1]),
+ R2 = my_echo_int(I, Limits),
+ ?line R1 = R2,
+ ?line true = (R1 =:= R2),
+ ?line true = (R1 == R2)
+ end, int_list()),
+
?line verify_tmpmem(TmpMem),
+ ?line true = (compare(-1294536544000, -1178704800000) < 0),
+ ?line true = (compare(-1178704800000, -1294536544000) > 0),
+ ?line true = (compare(-295147905179352825856, -36893488147419103232) < 0),
+ ?line true = (compare(-36893488147419103232, -295147905179352825856) > 0),
+ ?line true = (compare(-29514790517935282585612345678, -36893488147419103232) < 0),
+ ?line true = (compare(-36893488147419103232, -29514790517935282585612345678) > 0),
ok.
+int_list() ->
+ Start = 1 bsl 200,
+ int_list([Start], -Start).
+int_list([N | _]=List, End) when N<End ->
+ List;
+int_list([N | _]=List, End) ->
+ int_list([N - (1 + (abs(N) div 3)) | List], End).
+
+my_echo_int(I, Limits) ->
+ lists:map(fun({Min,Max}) ->
+ if I < Min -> false;
+ I > Max -> false;
+ true -> I
+ end
+ end, Limits).
+
clone(X) ->
binary_to_term(term_to_binary(X)).
@@ -1121,7 +1169,28 @@ is_checks(Config) when is_list(Config) ->
?line ensure_lib_loaded(Config, 1),
?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
self(), hd(erlang:ports()), [], [1,9,9,8],
- {hejsan, "hejsan", [$h,"ejs",<<"an">>]}),
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, 12),
+ ?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
+ self(), hd(erlang:ports()), [], [1,9,9,8],
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, -12),
+ ?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
+ self(), hd(erlang:ports()), [], [1,9,9,8],
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, 18446744073709551617),
+ ?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
+ self(), hd(erlang:ports()), [], [1,9,9,8],
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, -18446744073709551617),
+ ?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
+ self(), hd(erlang:ports()), [], [1,9,9,8],
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, 99.146),
+ ?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
+ self(), hd(erlang:ports()), [], [1,9,9,8],
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, -99.146),
+ ?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
+ self(), hd(erlang:ports()), [], [1,9,9,8],
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, 18446744073709551616.2e2),
+ ?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
+ self(), hd(erlang:ports()), [], [1,9,9,8],
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, -18446744073709551616.2e2),
try
?line error = check_is_exception(),
?line throw(expected_badarg)
@@ -1164,6 +1233,27 @@ make_string(Config) when is_list(Config) ->
AStringWithAccents = [$E,$r,$l,$a,$n,$g,$ ,16#e4,$r,$ ,$e,$t,$t,$ ,$g,$e,$n,$e,$r,$e,$l,$l,$t,$ ,$p,$r,$o,$g,$r,$a,$m,$s,$p,$r,16#e5,$k],
?line Strings = {A0String,A0String,A0String,A0String0, AStringWithAccents}.
+reverse_list_test(Config) ->
+ ?line ensure_lib_loaded(Config, 1),
+ List = lists:seq(1,100),
+ RevList = lists:reverse(List),
+ ?line RevList = reverse_list(List),
+ ?line badarg = reverse_list(foo).
+
+otp_9668(doc) -> ["Memory leak of tmp-buffer when inspecting iolist or unaligned binary in unbound environment"];
+otp_9668(Config) ->
+ ensure_lib_loaded(Config, 1),
+ TmpMem = tmpmem(),
+ IOList = ["This",' ',<<"is">>,' ',[<<"an iolist">>,'.']],
+ otp_9668_nif(IOList),
+
+ <<_:5/bitstring,UnalignedBin:10/binary,_/bitstring>> = <<"Abuse me as unaligned">>,
+ otp_9668_nif(UnalignedBin),
+
+ ?line verify_tmpmem(TmpMem),
+ ok.
+
+
tmpmem() ->
case erlang:system_info({allocator,temp_alloc}) of
false -> undefined;
@@ -1252,7 +1342,7 @@ get_resource(_,_) -> ?nif_stub.
release_resource(_) -> ?nif_stub.
last_resource_dtor_call() -> ?nif_stub.
make_new_resource(_,_) -> ?nif_stub.
-check_is(_,_,_,_,_,_,_,_,_,_) -> ?nif_stub.
+check_is(_,_,_,_,_,_,_,_,_,_,_) -> ?nif_stub.
check_is_exception() -> ?nif_stub.
length_test(_,_,_,_,_) -> ?nif_stub.
make_atoms() -> ?nif_stub.
@@ -1270,6 +1360,10 @@ send_blob_thread(_,_,_) -> ?nif_stub.
join_send_thread(_) -> ?nif_stub.
copy_blob(_) -> ?nif_stub.
send_term(_,_) -> ?nif_stub.
+reverse_list(_) -> ?nif_stub.
+echo_int(_) -> ?nif_stub.
+type_sizes() -> ?nif_stub.
+otp_9668_nif(_) -> ?nif_stub.
nif_stub_error(Line) ->
exit({nif_not_loaded,module,?MODULE,line,Line}).