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-rw-r--r--lib/kernel/test/file_SUITE.erl28
1 files changed, 26 insertions, 2 deletions
diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl
index 1d170790a3..2e6c3aba16 100644
--- a/lib/kernel/test/file_SUITE.erl
+++ b/lib/kernel/test/file_SUITE.erl
@@ -52,7 +52,7 @@
old_modes/1, new_modes/1, path_open/1, open_errors/1]).
-export([file_info/1, file_info_basic_file/1, file_info_basic_directory/1,
file_info_bad/1, file_info_times/1, file_write_file_info/1]).
--export([rename/1, access/1, truncate/1, sync/1,
+-export([rename/1, access/1, truncate/1, datasync/1, sync/1,
read_write/1, pread_write/1, append/1]).
-export([errors/1, e_delete/1, e_rename/1, e_make_dir/1, e_del_dir/1]).
-export([otp_5814/1]).
@@ -377,7 +377,7 @@ win_cur_dir_1(_Config) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-files(suite) -> [open,pos,file_info,consult,eval,script,truncate,sync].
+files(suite) -> [open,pos,file_info,consult,eval,script,truncate,sync,datasync].
open(suite) -> [open1,old_modes,new_modes,path_open,close,access,read_write,
pread_write,append,open_errors].
@@ -1355,6 +1355,30 @@ truncate(Config) when is_list(Config) ->
ok.
+datasync(suite) -> [];
+datasync(doc) -> "Tests that ?FILE_MODULE:datasync/1 at least doesn't crash.";
+datasync(Config) when is_list(Config) ->
+ ?line Dog = test_server:timetrap(test_server:seconds(5)),
+ ?line PrivDir = ?config(priv_dir, Config),
+ ?line Sync = filename:join(PrivDir,
+ atom_to_list(?MODULE)
+ ++"_sync.fil"),
+
+ %% Raw open.
+ ?line {ok, Fd} = ?FILE_MODULE:open(Sync, [write, raw]),
+ ?line ok = ?FILE_MODULE:datasync(Fd),
+ ?line ok = ?FILE_MODULE:close(Fd),
+
+ %% Ordinary open.
+ ?line {ok, Fd2} = ?FILE_MODULE:open(Sync, [write]),
+ ?line ok = ?FILE_MODULE:datasync(Fd2),
+ ?line ok = ?FILE_MODULE:close(Fd2),
+
+ ?line [] = flush(),
+ ?line test_server:timetrap_cancel(Dog),
+ ok.
+
+
sync(suite) -> [];
sync(doc) -> "Tests that ?FILE_MODULE:sync/1 at least doesn't crash.";
sync(Config) when is_list(Config) ->