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-rw-r--r--lib/stdlib/test/filelib_SUITE.erl144
1 files changed, 141 insertions, 3 deletions
diff --git a/lib/stdlib/test/filelib_SUITE.erl b/lib/stdlib/test/filelib_SUITE.erl
index 4a67d68428..040ae1effc 100644
--- a/lib/stdlib/test/filelib_SUITE.erl
+++ b/lib/stdlib/test/filelib_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2005-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2005-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -23,7 +23,8 @@
init_per_group/2,end_per_group/2,
init_per_testcase/2,end_per_testcase/2,
wildcard_one/1,wildcard_two/1,wildcard_errors/1,
- fold_files/1,otp_5960/1,ensure_dir_eexist/1]).
+ fold_files/1,otp_5960/1,ensure_dir_eexist/1,ensure_dir_symlink/1,
+ wildcard_symlink/1, is_file_symlink/1, file_props_symlink/1]).
-import(lists, [foreach/2]).
@@ -43,7 +44,8 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[wildcard_one, wildcard_two, wildcard_errors,
- fold_files, otp_5960, ensure_dir_eexist].
+ fold_files, otp_5960, ensure_dir_eexist, ensure_dir_symlink,
+ wildcard_symlink, is_file_symlink, file_props_symlink].
groups() ->
[].
@@ -366,3 +368,139 @@ ensure_dir_eexist(Config) when is_list(Config) ->
?line {error, eexist} = filelib:ensure_dir(NeedFile),
?line {error, eexist} = filelib:ensure_dir(NeedFileB),
ok.
+
+ensure_dir_symlink(Config) when is_list(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ Dir = filename:join(PrivDir, "ensure_dir_symlink"),
+ Name = filename:join(Dir, "same_name_as_file_and_dir"),
+ ok = filelib:ensure_dir(Name),
+ ok = file:write_file(Name, <<"some string\n">>),
+ %% With a symlink to the directory.
+ Symlink = filename:join(PrivDir, "ensure_dir_symlink_link"),
+ case file:make_symlink(Dir, Symlink) of
+ {error,enotsup} ->
+ {skip,"Symlinks not supported on this platform"};
+ {error,eperm} ->
+ {win32,_} = os:type(),
+ {skip,"Windows user not privileged to create symlinks"};
+ ok ->
+ SymlinkedName = filename:join(Symlink, "same_name_as_file_and_dir"),
+ ok = filelib:ensure_dir(SymlinkedName)
+ end.
+
+wildcard_symlink(Config) when is_list(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ Dir = filename:join(PrivDir, ?MODULE_STRING++"_wildcard_symlink"),
+ SubDir = filename:join(Dir, "sub"),
+ AFile = filename:join(SubDir, "a_file"),
+ Alias = filename:join(Dir, "symlink"),
+ ok = file:make_dir(Dir),
+ ok = file:make_dir(SubDir),
+ ok = file:write_file(AFile, "not that big\n"),
+ case file:make_symlink(AFile, Alias) of
+ {error, enotsup} ->
+ {skip, "Links not supported on this platform"};
+ {error, eperm} ->
+ {win32,_} = os:type(),
+ {skip, "Windows user not privileged to create symlinks"};
+ ok ->
+ ["sub","symlink"] =
+ basenames(Dir, filelib:wildcard(filename:join(Dir, "*"))),
+ ["symlink"] =
+ basenames(Dir, filelib:wildcard(filename:join(Dir, "symlink"))),
+ ["sub","symlink"] =
+ basenames(Dir, filelib:wildcard(filename:join(Dir, "*"),
+ erl_prim_loader)),
+ ["symlink"] =
+ basenames(Dir, filelib:wildcard(filename:join(Dir, "symlink"),
+ erl_prim_loader)),
+ ["sub","symlink"] =
+ basenames(Dir, filelib:wildcard(filename:join(Dir, "*"),
+ prim_file)),
+ ["symlink"] =
+ basenames(Dir, filelib:wildcard(filename:join(Dir, "symlink"),
+ prim_file)),
+ ok = file:delete(AFile),
+ %% The symlink should still be visible even when its target
+ %% has been deleted.
+ ["sub","symlink"] =
+ basenames(Dir, filelib:wildcard(filename:join(Dir, "*"))),
+ ["symlink"] =
+ basenames(Dir, filelib:wildcard(filename:join(Dir, "symlink"))),
+ ["sub","symlink"] =
+ basenames(Dir, filelib:wildcard(filename:join(Dir, "*"),
+ erl_prim_loader)),
+ ["symlink"] =
+ basenames(Dir, filelib:wildcard(filename:join(Dir, "symlink"),
+ erl_prim_loader)),
+ ["sub","symlink"] =
+ basenames(Dir, filelib:wildcard(filename:join(Dir, "*"),
+ prim_file)),
+ ["symlink"] =
+ basenames(Dir, filelib:wildcard(filename:join(Dir, "symlink"),
+ prim_file)),
+ ok
+ end.
+
+basenames(Dir, Files) ->
+ [begin
+ Dir = filename:dirname(F),
+ filename:basename(F)
+ end || F <- Files].
+
+is_file_symlink(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ Dir = filename:join(PrivDir, ?MODULE_STRING++"_is_file_symlink"),
+ SubDir = filename:join(Dir, "sub"),
+ AFile = filename:join(SubDir, "a_file"),
+ DirAlias = filename:join(Dir, "dir_symlink"),
+ FileAlias = filename:join(Dir, "file_symlink"),
+ ok = file:make_dir(Dir),
+ ok = file:make_dir(SubDir),
+ ok = file:write_file(AFile, "not that big\n"),
+ case file:make_symlink(SubDir, DirAlias) of
+ {error, enotsup} ->
+ {skip, "Links not supported on this platform"};
+ {error, eperm} ->
+ {win32,_} = os:type(),
+ {skip, "Windows user not privileged to create symlinks"};
+ ok ->
+ true = filelib:is_dir(DirAlias),
+ true = filelib:is_dir(DirAlias, erl_prim_loader),
+ true = filelib:is_dir(DirAlias, prim_file),
+ true = filelib:is_file(DirAlias),
+ true = filelib:is_file(DirAlias, erl_prim_loader),
+ true = filelib:is_file(DirAlias, prim_file),
+ ok = file:make_symlink(AFile,FileAlias),
+ true = filelib:is_file(FileAlias),
+ true = filelib:is_file(FileAlias, erl_prim_loader),
+ true = filelib:is_file(FileAlias, prim_file),
+ true = filelib:is_regular(FileAlias),
+ true = filelib:is_regular(FileAlias, erl_prim_loader),
+ true = filelib:is_regular(FileAlias, prim_file),
+ ok
+ end.
+
+file_props_symlink(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ Dir = filename:join(PrivDir, ?MODULE_STRING++"_file_props_symlink"),
+ AFile = filename:join(Dir, "a_file"),
+ Alias = filename:join(Dir, "symlink"),
+ ok = file:make_dir(Dir),
+ ok = file:write_file(AFile, "not that big\n"),
+ case file:make_symlink(AFile, Alias) of
+ {error, enotsup} ->
+ {skip, "Links not supported on this platform"};
+ {error, eperm} ->
+ {win32,_} = os:type(),
+ {skip, "Windows user not privileged to create symlinks"};
+ ok ->
+ {_,_} = LastMod = filelib:last_modified(AFile),
+ LastMod = filelib:last_modified(Alias),
+ LastMod = filelib:last_modified(Alias, erl_prim_loader),
+ LastMod = filelib:last_modified(Alias, prim_file),
+ FileSize = filelib:file_size(AFile),
+ FileSize = filelib:file_size(Alias),
+ FileSize = filelib:file_size(Alias, erl_prim_loader),
+ FileSize = filelib:file_size(Alias, prim_file)
+ end.