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-rw-r--r--lib/kernel/test/file_SUITE.erl37
1 files changed, 36 insertions, 1 deletions
diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl
index e9300bf019..87d2de4cae 100644
--- a/lib/kernel/test/file_SUITE.erl
+++ b/lib/kernel/test/file_SUITE.erl
@@ -79,6 +79,7 @@
-export([interleaved_read_write/1]).
+-export([unicode/1]).
-export([altname/1]).
-export([large_file/1, large_write/1]).
@@ -110,7 +111,7 @@
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
- [altname, read_write_file, {group, dirs},
+ [unicode, altname, read_write_file, {group, dirs},
{group, files}, delete, rename, names, {group, errors},
{group, compression}, {group, links}, copy,
delayed_write, read_ahead, segment_read, segment_write,
@@ -2631,6 +2632,40 @@ compress_async_crash_loop(N, Path, ExpectedData) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+unicode(Config) when is_list(Config) ->
+ Dir = ?config(priv_dir, Config),
+ Name = filename:join(Dir, "data-utf8.txt"),
+ Txt = lists:seq(128, 255),
+ D = unicode:characters_to_binary(Txt, latin1, latin1),
+ {ok,Fd1} =
+ ?FILE_MODULE:open(Name, [write,read,binary,{encoding,unicode}]),
+ ok = ?FILE_MODULE:truncate(Fd1),
+ ok = ?FILE_MODULE:write(Fd1, Txt),
+ {ok,0} = ?FILE_MODULE:position(Fd1, bof),
+ {ok,D} = ?FILE_MODULE:read(Fd1, 129),
+ {ok,0} = ?FILE_MODULE:position(Fd1, bof),
+ {ok,D1} = ?FILE_MODULE:read(Fd1, 64),
+ {ok,Pos} = ?FILE_MODULE:position(Fd1, cur),
+ {ok,D2} = ?FILE_MODULE:pread(Fd1, {cur,0}, 65),
+ D = <<D1/binary, D2/binary>>,
+ {ok,D1} = ?FILE_MODULE:pread(Fd1, bof, 64),
+ {ok,Pos} = ?FILE_MODULE:position(Fd1, Pos),
+ {ok,D2} = ?FILE_MODULE:read(Fd1, 64),
+ ok = ?FILE_MODULE:close(Fd1),
+ %%
+ RawD = unicode:characters_to_binary(Txt, latin1, unicode),
+ {ok,RawD} = ?FILE_MODULE:read_file(Name),
+ %%
+ {ok,Fd2} = ?FILE_MODULE:open(Name, [read,{encoding,unicode}]),
+ {ok,Txt} = ?FILE_MODULE:read(Fd2, 129),
+ {Txt1,Txt2} = lists:split(64, Txt),
+ {ok,Txt2} = ?FILE_MODULE:pread(Fd2, Pos, 65),
+ {ok,0} = ?FILE_MODULE:position(Fd2, bof),
+ {ok,Txt1} = ?FILE_MODULE:read(Fd2, 64),
+ ok = ?FILE_MODULE:close(Fd2).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
altname(doc) ->
"Test the file:altname/1 function";
altname(suite) ->