diff options
Diffstat (limited to 'lib/kernel/test/file_SUITE.erl')
| -rw-r--r-- | lib/kernel/test/file_SUITE.erl | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl index 3bc8e6e828..7686aeee7d 100644 --- a/lib/kernel/test/file_SUITE.erl +++ b/lib/kernel/test/file_SUITE.erl @@ -94,6 +94,8 @@ -export([allocate/1]). +-export([allocate_file_size/1]). + -export([standard_io/1,mini_server/1]). -export([old_io_protocol/1]). @@ -145,7 +147,7 @@ groups() -> {files, [], [{group, open}, {group, pos}, {group, file_info}, {group, consult}, {group, eval}, {group, script}, - truncate, sync, datasync, advise, allocate]}, + truncate, sync, datasync, advise, allocate, allocate_file_size]}, {open, [], [open1, old_modes, new_modes, path_open, close, access, read_write, pread_write, append, open_errors, @@ -2036,6 +2038,28 @@ allocate_and_assert(Fd, Offset, Length) -> _ = Result end. +%% Tests that asserts that file:allocate/3 changes file size +allocate_file_size(Config) when is_list(Config) -> + case os:type() of + {win32, _} -> + {skip, "Windows does not support file:allocate/3"}; + + {unix, linux} -> + {skip, "file:allocate/3 on Linux does not change file size"}; + + _ -> + PrivDir = proplists:get_value(priv_dir, Config), + Allocate = filename:join(PrivDir, atom_to_list(?MODULE)++"_allocate_file"), + + {ok, Fd} = ?FILE_MODULE:open(Allocate, [write]), + ok = ?FILE_MODULE:allocate(Fd, 0, 1024), + {ok, 1024} = ?FILE_MODULE:position(Fd, eof), + ok = ?FILE_MODULE:close(Fd), + + [] = flush(), + ok + end. + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% delete(Config) when is_list(Config) -> |