diff options
Diffstat (limited to 'lib/kernel/test/file_SUITE.erl')
| -rw-r--r-- | lib/kernel/test/file_SUITE.erl | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl index c604e7073f..4218cfa646 100644 --- a/lib/kernel/test/file_SUITE.erl +++ b/lib/kernel/test/file_SUITE.erl @@ -91,6 +91,8 @@ -export([standard_io/1,mini_server/1]). +-export([old_io_protocol/1]). + %% Debug exports -export([create_file_slow/2, create_file/2, create_bin/2]). -export([verify_file/2, verify_bin/3]). @@ -114,7 +116,7 @@ all() -> delayed_write, read_ahead, segment_read, segment_write, ipread, pid2name, interleaved_read_write, otp_5814, otp_10852, large_file, large_write, read_line_1, read_line_2, read_line_3, - read_line_4, standard_io]. + read_line_4, standard_io, old_io_protocol]. groups() -> [{dirs, [], [make_del_dir, cur_dir_0, cur_dir_1, @@ -310,6 +312,31 @@ standard_io(Config) when is_list(Config) -> Pid ! die, receive after 1000 -> ok end. +old_io_protocol(suite) -> + []; +old_io_protocol(doc) -> + ["Test that the old file IO protocol =< R16B still works"]; +old_io_protocol(Config) when is_list(Config) -> + Dog = test_server:timetrap(test_server:seconds(5)), + RootDir = ?config(priv_dir,Config), + Name = filename:join(RootDir, + atom_to_list(?MODULE) + ++"old_io_protocol.fil"), + MyData = "0123456789abcdefghijklmnopqrstuvxyz", + ok = ?FILE_MODULE:write_file(Name, MyData), + {ok, Fd} = ?FILE_MODULE:open(Name, write), + Fd ! {file_request,self(),Fd,truncate}, + receive + {file_reply,Fd,ok} -> ok + end, + ok = ?FILE_MODULE:close(Fd), + {ok, <<>>} = ?FILE_MODULE:read_file(Name), + test_server:timetrap_cancel(Dog), + [] = flush(), + ok. + + + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% read_write_file(suite) -> []; |