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-rw-r--r--lib/kernel/test/file_SUITE.erl212
1 files changed, 206 insertions, 6 deletions
diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl
index d01e1f1fcf..17c47f871d 100644
--- a/lib/kernel/test/file_SUITE.erl
+++ b/lib/kernel/test/file_SUITE.erl
@@ -52,8 +52,8 @@
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,
- read_write/1, pread_write/1, append/1]).
+-export([rename/1, access/1, truncate/1, datasync/1, sync/1,
+ read_write/1, pread_write/1, append/1, exclusive/1]).
-export([errors/1, e_delete/1, e_rename/1, e_make_dir/1, e_del_dir/1]).
-export([otp_5814/1]).
@@ -82,6 +82,10 @@
-export([read_line_1/1, read_line_2/1, read_line_3/1,read_line_4/1]).
+-export([advise/1]).
+
+-export([standard_io/1,mini_server/1]).
+
%% Debug exports
-export([create_file_slow/2, create_file/2, create_bin/2]).
-export([verify_file/2, verify_bin/3]).
@@ -101,7 +105,8 @@ all(suite) ->
compression, links, copy,
delayed_write, read_ahead, segment_read, segment_write,
ipread, pid2name, interleaved_read_write,
- otp_5814, large_file, read_line_1, read_line_2, read_line_3, read_line_4],
+ otp_5814, large_file, read_line_1, read_line_2, read_line_3, read_line_4,
+ standard_io],
fini}.
init(Config) when is_list(Config) ->
@@ -170,6 +175,85 @@ time_dist({_D1, _T1} = DT1, {_D2, _T2} = DT2) ->
- calendar:datetime_to_gregorian_seconds(DT1).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+mini_server(Parent) ->
+ receive
+ die ->
+ ok;
+ {io_request,From,To,{put_chars,Data}} ->
+ Parent ! {io_request,From,To,{put_chars,Data}},
+ From ! {io_reply, To, ok},
+ mini_server(Parent);
+ {io_request,From,To,{get_chars,'',N}} ->
+ Parent ! {io_request,From,To,{get_chars,'',N}},
+ From ! {io_reply, To, {ok, lists:duplicate(N,$a)}},
+ mini_server(Parent);
+ {io_request,From,To,{get_line,''}} ->
+ Parent ! {io_request,From,To,{get_line,''}},
+ From ! {io_reply, To, {ok, "hej\n"}},
+ mini_server(Parent)
+ end.
+
+standard_io(suite) ->
+ [];
+standard_io(doc) ->
+ ["Test that standard i/o-servers work with file module"];
+standard_io(Config) when is_list(Config) ->
+ %% Really just a smoke test
+ ?line Pid = spawn(?MODULE,mini_server,[self()]),
+ ?line register(mini_server,Pid),
+ ?line ok = file:write(mini_server,<<"hej\n">>),
+ ?line receive
+ {io_request,_,_,{put_chars,<<"hej\n">>}} ->
+ ok
+ after 1000 ->
+ exit(noreply)
+ end,
+ ?line {ok,"aaaaa"} = file:read(mini_server,5),
+ ?line receive
+ {io_request,_,_,{get_chars,'',5}} ->
+ ok
+ after 1000 ->
+ exit(noreply)
+ end,
+ ?line {ok,"hej\n"} = file:read_line(mini_server),
+ ?line receive
+ {io_request,_,_,{get_line,''}} ->
+ ok
+ after 1000 ->
+ exit(noreply)
+ end,
+ ?line OldGL = group_leader(),
+ ?line group_leader(Pid,self()),
+ ?line ok = file:write(standard_io,<<"hej\n">>),
+ ?line group_leader(OldGL,self()),
+ ?line receive
+ {io_request,_,_,{put_chars,<<"hej\n">>}} ->
+ ok
+ after 1000 ->
+ exit(noreply)
+ end,
+ ?line group_leader(Pid,self()),
+ ?line {ok,"aaaaa"} = file:read(standard_io,5),
+ ?line group_leader(OldGL,self()),
+ ?line receive
+ {io_request,_,_,{get_chars,'',5}} ->
+ ok
+ after 1000 ->
+ exit(noreply)
+ end,
+ ?line group_leader(Pid,self()),
+ ?line {ok,"hej\n"} = file:read_line(standard_io),
+ ?line group_leader(OldGL,self()),
+ ?line receive
+ {io_request,_,_,{get_line,''}} ->
+ ok
+ after 1000 ->
+ exit(noreply)
+ end,
+ Pid ! die,
+ receive after 1000 -> ok end.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
read_write_file(suite) -> [];
read_write_file(doc) -> [];
@@ -270,7 +354,10 @@ make_del_dir(Config) when is_list(Config) ->
%% Try deleting some bad directories
%% Deleting the parent directory to the current, sounds dangerous, huh?
%% Don't worry ;-) the parent directory should never be empty, right?
- ?line {error, eexist} = ?FILE_MODULE:del_dir('..'),
+ case ?FILE_MODULE:del_dir('..') of
+ {error, eexist} -> ok;
+ {error, einval} -> ok %FreeBSD
+ end,
?line {error, enoent} = ?FILE_MODULE:del_dir(""),
?line {error, badarg} = ?FILE_MODULE:del_dir([3,2,1,{}]),
@@ -374,10 +461,12 @@ 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,advise].
open(suite) -> [open1,old_modes,new_modes,path_open,close,access,read_write,
- pread_write,append,open_errors].
+ pread_write,append,open_errors,exclusive].
open1(suite) -> [];
open1(doc) -> [];
@@ -751,6 +840,22 @@ open_errors(Config) when is_list(Config) ->
?line test_server:timetrap_cancel(Dog),
ok.
+exclusive(suite) -> [];
+exclusive(doc) -> "Test exclusive access to a file.";
+exclusive(Config) when is_list(Config) ->
+ ?line Dog = test_server:timetrap(test_server:seconds(5)),
+ ?line RootDir = ?config(priv_dir,Config),
+ ?line NewDir = filename:join(RootDir,
+ atom_to_list(?MODULE)
+ ++"_exclusive"),
+ ?line ok = ?FILE_MODULE:make_dir(NewDir),
+ ?line Name = filename:join(NewDir, "ex_file.txt"),
+ ?line {ok, Fd} = ?FILE_MODULE:open(Name, [write, exclusive]),
+ ?line {error, eexist} = ?FILE_MODULE:open(Name, [write, exclusive]),
+ ?line ok = ?FILE_MODULE:close(Fd),
+ ?line test_server:timetrap_cancel(Dog),
+ ok.
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
pos(suite) -> [pos1,pos2].
@@ -1352,6 +1457,30 @@ 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) ->
@@ -1375,6 +1504,77 @@ sync(Config) when is_list(Config) ->
?line test_server:timetrap_cancel(Dog),
ok.
+advise(suite) -> [];
+advise(doc) -> "Tests that ?FILE_MODULE:advise/4 at least doesn't crash.";
+advise(Config) when is_list(Config) ->
+ ?line Dog = test_server:timetrap(test_server:seconds(5)),
+ ?line PrivDir = ?config(priv_dir, Config),
+ ?line Advise = filename:join(PrivDir,
+ atom_to_list(?MODULE)
+ ++"_advise.fil"),
+
+ Line1 = "Hello\n",
+ Line2 = "World!\n",
+
+ ?line {ok, Fd} = ?FILE_MODULE:open(Advise, [write]),
+ ?line ok = ?FILE_MODULE:advise(Fd, 0, 0, normal),
+ ?line ok = io:format(Fd, "~s", [Line1]),
+ ?line ok = io:format(Fd, "~s", [Line2]),
+ ?line ok = ?FILE_MODULE:close(Fd),
+
+ ?line {ok, Fd2} = ?FILE_MODULE:open(Advise, [write]),
+ ?line ok = ?FILE_MODULE:advise(Fd2, 0, 0, random),
+ ?line ok = io:format(Fd2, "~s", [Line1]),
+ ?line ok = io:format(Fd2, "~s", [Line2]),
+ ?line ok = ?FILE_MODULE:close(Fd2),
+
+ ?line {ok, Fd3} = ?FILE_MODULE:open(Advise, [write]),
+ ?line ok = ?FILE_MODULE:advise(Fd3, 0, 0, sequential),
+ ?line ok = io:format(Fd3, "~s", [Line1]),
+ ?line ok = io:format(Fd3, "~s", [Line2]),
+ ?line ok = ?FILE_MODULE:close(Fd3),
+
+ ?line {ok, Fd4} = ?FILE_MODULE:open(Advise, [write]),
+ ?line ok = ?FILE_MODULE:advise(Fd4, 0, 0, will_need),
+ ?line ok = io:format(Fd4, "~s", [Line1]),
+ ?line ok = io:format(Fd4, "~s", [Line2]),
+ ?line ok = ?FILE_MODULE:close(Fd4),
+
+ ?line {ok, Fd5} = ?FILE_MODULE:open(Advise, [write]),
+ ?line ok = ?FILE_MODULE:advise(Fd5, 0, 0, dont_need),
+ ?line ok = io:format(Fd5, "~s", [Line1]),
+ ?line ok = io:format(Fd5, "~s", [Line2]),
+ ?line ok = ?FILE_MODULE:close(Fd5),
+
+ ?line {ok, Fd6} = ?FILE_MODULE:open(Advise, [write]),
+ ?line ok = ?FILE_MODULE:advise(Fd6, 0, 0, no_reuse),
+ ?line ok = io:format(Fd6, "~s", [Line1]),
+ ?line ok = io:format(Fd6, "~s", [Line2]),
+ ?line ok = ?FILE_MODULE:close(Fd6),
+
+ ?line {ok, Fd7} = ?FILE_MODULE:open(Advise, [write]),
+ ?line {error, einval} = ?FILE_MODULE:advise(Fd7, 0, 0, bad_advise),
+ ?line ok = ?FILE_MODULE:close(Fd7),
+
+ %% test write without advise, then a read after an advise
+ ?line {ok, Fd8} = ?FILE_MODULE:open(Advise, [write]),
+ ?line ok = io:format(Fd8, "~s", [Line1]),
+ ?line ok = io:format(Fd8, "~s", [Line2]),
+ ?line ok = ?FILE_MODULE:close(Fd8),
+ ?line {ok, Fd9} = ?FILE_MODULE:open(Advise, [read]),
+ Offset = 0,
+ %% same as a 0 length in some implementations
+ Length = length(Line1) + length(Line2),
+ ?line ok = ?FILE_MODULE:advise(Fd9, Offset, Length, sequential),
+ ?line {ok, Line1} = ?FILE_MODULE:read_line(Fd9),
+ ?line {ok, Line2} = ?FILE_MODULE:read_line(Fd9),
+ ?line eof = ?FILE_MODULE:read_line(Fd9),
+ ?line ok = ?FILE_MODULE:close(Fd9),
+
+ ?line [] = flush(),
+ ?line test_server:timetrap_cancel(Dog),
+ ok.
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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