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-rw-r--r--lib/kernel/test/file_SUITE.erl201
1 files changed, 196 insertions, 5 deletions
diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl
index 3bc8e6e828..747f1d9e1b 100644
--- a/lib/kernel/test/file_SUITE.erl
+++ b/lib/kernel/test/file_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2019. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -58,6 +58,8 @@
-export([ file_info_basic_file/1, file_info_basic_directory/1,
file_info_bad/1, file_info_times/1, file_write_file_info/1,
file_wfi_helpers/1]).
+-export([ file_handle_info_basic_file/1, file_handle_info_basic_directory/1,
+ file_handle_info_times/1]).
-export([rename/1, access/1, truncate/1, datasync/1, sync/1,
read_write/1, pread_write/1, append/1, exclusive/1]).
-export([ e_delete/1, e_rename/1, e_make_dir/1, e_del_dir/1]).
@@ -153,7 +155,10 @@ groups() ->
{pos, [], [pos1, pos2, pos3]},
{file_info, [],
[file_info_basic_file, file_info_basic_directory,
- file_info_bad, file_info_times, file_write_file_info,
+ file_info_bad, file_info_times,
+ file_handle_info_basic_file, file_handle_info_basic_directory,
+ file_handle_info_times,
+ file_write_file_info,
file_wfi_helpers]},
{consult, [], [consult1, path_consult]},
{eval, [], [eval1, path_eval]},
@@ -273,11 +278,11 @@ mini_server(Parent) ->
Parent ! {io_request,From,To,{put_chars,Data}},
From ! {io_reply, To, ok},
mini_server(Parent);
- {io_request,From,To,{get_chars,'',N}} ->
+ {io_request,From,To,{get_chars,_Encoding,'',N}} ->
Parent ! {io_request,From,To,{get_chars,'',N}},
From ! {io_reply, To, {ok, lists:duplicate(N,$a)}},
mini_server(Parent);
- {io_request,From,To,{get_line,''}} ->
+ {io_request,From,To,{get_line,_Encoding,''}} ->
Parent ! {io_request,From,To,{get_line,''}},
From ! {io_reply, To, {ok, "hej\n"}},
mini_server(Parent)
@@ -987,6 +992,14 @@ new_modes(Config) when is_list(Config) ->
ok
end,
+ % open directory
+ {ok, Fd9} = ?FILE_MODULE:open(NewDir, [directory]),
+ ok = ?FILE_MODULE:close(Fd9),
+
+ % open raw directory
+ {ok, Fd10} = ?FILE_MODULE:open(NewDir, [raw, directory]),
+ ok = ?FILE_MODULE:close(Fd10),
+
[] = flush(),
ok.
@@ -1236,6 +1249,9 @@ open_errors(Config) when is_list(Config) ->
{error, E4} = ?FILE_MODULE:open(DataDirSlash, [write]),
{eisdir,eisdir,eisdir,eisdir} = {E1,E2,E3,E4},
+ Real = filename:join(DataDir, "realmen.html"),
+ {error, enotdir} = ?FILE_MODULE:open(Real, [directory]),
+
[] = flush(),
ok.
@@ -1406,7 +1422,8 @@ file_info_basic_directory(Config) when is_list(Config) ->
{win32, _} ->
test_directory("/", read_write),
test_directory("c:/", read_write),
- test_directory("c:\\", read_write);
+ test_directory("c:\\", read_write),
+ test_directory("\\\\localhost\\c$", read_write);
_ ->
test_directory("/", read)
end,
@@ -1538,6 +1555,180 @@ filter_atime(Atime, Config) ->
Atime
end.
+%% Test read_file_info on I/O devices.
+
+file_handle_info_basic_file(Config) when is_list(Config) ->
+ RootDir = proplists:get_value(priv_dir, Config),
+
+ %% Create a short file.
+ Name = filename:join(RootDir,
+ atom_to_list(?MODULE)
+ ++"_basic_test.fil"),
+ {ok,Fd1} = ?FILE_MODULE:open(Name, write),
+ io:put_chars(Fd1, "foo bar"),
+ ok = ?FILE_MODULE:close(Fd1),
+
+ %% Test that the file has the expected attributes.
+ %% The times are tricky, so we will save them to a separate test case.
+
+ {ok, Fd} = ?FILE_MODULE:open(Name, read),
+ {ok,FileInfo} = ?FILE_MODULE:read_file_info(Fd),
+ ok = ?FILE_MODULE:close(Fd),
+
+ {ok, FdRaw} = ?FILE_MODULE:open(Name, [read, raw]),
+ {ok,FileInfoRaw} = ?FILE_MODULE:read_file_info(FdRaw),
+ ok = ?FILE_MODULE:close(FdRaw),
+
+ #file_info{size=Size,type=Type,access=Access,
+ atime=AccessTime,mtime=ModifyTime} = FileInfo = FileInfoRaw,
+ io:format("Access ~p, Modify ~p", [AccessTime, ModifyTime]),
+ Size = 7,
+ Type = regular,
+ read_write = Access,
+ true = abs(time_dist(filter_atime(AccessTime, Config),
+ filter_atime(ModifyTime,
+ Config))) < 5,
+ all_integers(tuple_to_list(AccessTime) ++ tuple_to_list(ModifyTime)),
+
+ [] = flush(),
+ ok.
+
+file_handle_info_basic_directory(Config) when is_list(Config) ->
+ %% Note: filename:join/1 removes any trailing slash,
+ %% which is essential for ?FILE_MODULE:file_info/1 to work on
+ %% platforms such as Windows95.
+ RootDir = filename:join([proplists:get_value(priv_dir, Config)]),
+
+ %% Test that the RootDir directory has the expected attributes.
+ test_directory_handle(RootDir, read_write),
+
+ %% Note that on Windows file systems,
+ %% "/" or "c:/" are *NOT* directories.
+ %% Therefore, test that ?FILE_MODULE:file_info/1 behaves as if they were
+ %% directories.
+ case os:type() of
+ {win32, _} ->
+ test_directory_handle("/", read_write),
+ test_directory_handle("c:/", read_write),
+ test_directory_handle("c:\\", read_write),
+ test_directory_handle("\\\\localhost\\c$", read_write);
+ _ ->
+ test_directory_handle("/", read)
+ end,
+ ok.
+
+test_directory_handle(Name, ExpectedAccess) ->
+ {ok, DirFd} = file:open(Name, [read, directory]),
+ try
+ {ok,FileInfo} = ?FILE_MODULE:read_file_info(DirFd),
+ {ok,FileInfo} = ?FILE_MODULE:read_file_info(DirFd, [raw]),
+ #file_info{size=Size,type=Type,access=Access,
+ atime=AccessTime,mtime=ModifyTime} = FileInfo,
+ io:format("Testing directory ~s", [Name]),
+ io:format("Directory size is ~p", [Size]),
+ io:format("Access ~p", [Access]),
+ io:format("Access time ~p; Modify time~p",
+ [AccessTime, ModifyTime]),
+ Type = directory,
+ Access = ExpectedAccess,
+ all_integers(tuple_to_list(AccessTime) ++ tuple_to_list(ModifyTime)),
+ [] = flush(),
+ ok
+ after
+ file:close(DirFd)
+ end.
+
+%% Test that the file times behave as they should.
+
+file_handle_info_times(Config) when is_list(Config) ->
+ %% We have to try this twice, since if the test runs across the change
+ %% of a month the time diff calculations will fail. But it won't happen
+ %% if you run it twice in succession.
+ test_server:m_out_of_n(
+ 1,2,
+ fun() -> file_handle_info_int(Config) end),
+ ok.
+
+file_handle_info_int(Config) ->
+ %% Note: filename:join/1 removes any trailing slash,
+ %% which is essential for ?FILE_MODULE:file_info/1 to work on
+ %% platforms such as Windows95.
+
+ RootDir = filename:join([proplists:get_value(priv_dir, Config)]),
+ io:format("RootDir = ~p", [RootDir]),
+
+ Name = filename:join(RootDir,
+ atom_to_list(?MODULE)
+ ++"_file_info.fil"),
+ {ok,Fd1} = ?FILE_MODULE:open(Name, write),
+ io:put_chars(Fd1,"foo"),
+ {ok,FileInfo1} = ?FILE_MODULE:read_file_info(Fd1),
+ ok = ?FILE_MODULE:close(Fd1),
+
+ {ok,Fd1Raw} = ?FILE_MODULE:open(Name, [read, raw]),
+ {ok,FileInfo1Raw} = ?FILE_MODULE:read_file_info(Fd1Raw),
+ ok = ?FILE_MODULE:close(Fd1Raw),
+
+ %% We assert that everything but the size is the same, on some OSs the
+ %% size may not have been flushed to disc and we do not want to do a
+ %% sync to force it.
+ FileInfo1Raw = FileInfo1#file_info{ size = FileInfo1Raw#file_info.size },
+
+ #file_info{type=regular,atime=AccTime1,mtime=ModTime1} = FileInfo1,
+
+ Now = erlang:localtime(), %???
+ io:format("Now ~p",[Now]),
+ io:format("Open file Acc ~p Mod ~p",[AccTime1,ModTime1]),
+ true = abs(time_dist(filter_atime(Now, Config),
+ filter_atime(AccTime1,
+ Config))) < 8,
+ true = abs(time_dist(Now,ModTime1)) < 8,
+
+ %% Sleep until we can be sure the seconds value has changed.
+ %% Note: FAT-based filesystem (like on Windows 95) have
+ %% a resolution of 2 seconds.
+ timer:sleep(2200),
+
+ %% close the file, and watch the modify date change
+
+ {ok,Fd2} = ?FILE_MODULE:open(Name, read),
+ {ok,FileInfo2} = ?FILE_MODULE:read_file_info(Fd2),
+ ok = ?FILE_MODULE:close(Fd2),
+
+ {ok,Fd2Raw} = ?FILE_MODULE:open(Name, [read, raw]),
+ {ok,FileInfo2Raw} = ?FILE_MODULE:read_file_info(Fd2Raw),
+ ok = ?FILE_MODULE:close(Fd2Raw),
+
+ #file_info{size=Size,type=regular,access=Access,
+ atime=AccTime2,mtime=ModTime2} = FileInfo2 = FileInfo2Raw,
+ io:format("Closed file Acc ~p Mod ~p",[AccTime2,ModTime2]),
+ true = time_dist(ModTime1,ModTime2) >= 0,
+
+ %% this file is supposed to be binary, so it'd better keep it's size
+ Size = 3,
+ Access = read_write,
+
+ %% Do some directory checking
+
+ {ok,Fd3} = ?FILE_MODULE:open(RootDir, [read, directory]),
+ {ok,FileInfo3} = ?FILE_MODULE:read_file_info(Fd3),
+ ok = ?FILE_MODULE:close(Fd3),
+
+ {ok,Fd3Raw} = ?FILE_MODULE:open(RootDir, [read, directory, raw]),
+ {ok,FileInfo3Raw} = ?FILE_MODULE:read_file_info(Fd3Raw),
+ ok = ?FILE_MODULE:close(Fd3Raw),
+
+ #file_info{size=DSize,type=directory,access=DAccess,
+ atime=AccTime3,mtime=ModTime3} = FileInfo3 = FileInfo3Raw,
+ %% this dir was modified only a few secs ago
+ io:format("Dir Acc ~p; Mod ~p; Now ~p", [AccTime3, ModTime3, Now]),
+ true = abs(time_dist(Now,ModTime3)) < 5,
+ DAccess = read_write,
+ io:format("Dir size is ~p",[DSize]),
+
+ [] = flush(),
+ ok.
+
%% Test the write_file_info/2 function.
file_write_file_info(Config) when is_list(Config) ->