diff options
Diffstat (limited to 'erts/emulator/test/binary_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/binary_SUITE.erl | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl index 401b3c23b6..67f0ae9408 100644 --- a/erts/emulator/test/binary_SUITE.erl +++ b/erts/emulator/test/binary_SUITE.erl @@ -275,6 +275,25 @@ bad_list_to_binary(Config) when is_list(Config) -> ?line test_bad_bin(fun(X, Y) -> X*Y end), ?line test_bad_bin([1,fun(X) -> X + 1 end,2|fun() -> 0 end]), ?line test_bad_bin([fun(X) -> X + 1 end]), + + %% Test iolists that do not fit in the address space. + %% Unfortunately, it would be too slow to test in a 64-bit emulator. + case erlang:system_info(wordsize) of + 4 -> huge_iolists(); + _ -> ok + end. + +huge_iolists() -> + FourGigs = 1 bsl 32, + ?line Sizes = [FourGigs+N || N <- lists:seq(0, 64)] ++ + [1 bsl N || N <- lists:seq(33, 37)], + ?line Base = <<0:(1 bsl 20)/unit:8>>, + [begin + L = build_iolist(Sz, Base), + ?line {'EXIT',{system_limit,_}} = (catch list_to_binary([L])), + ?line {'EXIT',{system_limit,_}} = (catch binary:list_to_bin([L])), + ?line {'EXIT',{system_limit,_}} = (catch iolist_to_binary(L)) + end || Sz <- Sizes], ok. test_bad_bin(List) -> |