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-rw-r--r--lib/kernel/test/file_SUITE.erl54
1 files changed, 31 insertions, 23 deletions
diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl
index 5f049c6f99..c37d114a58 100644
--- a/lib/kernel/test/file_SUITE.erl
+++ b/lib/kernel/test/file_SUITE.erl
@@ -493,22 +493,13 @@ read_write_file(Config) when is_list(Config) ->
%% Try writing and reading back some term
SomeTerm = {"This term",{will,be},[written,$t,$o],1,file,[]},
- ok = ?FILE_MODULE:write_file(Name,term_to_binary(SomeTerm)),
- {ok,Bin1} = ?FILE_MODULE:read_file(Name),
- SomeTerm = binary_to_term(Bin1),
+ Bin1 = term_to_binary(SomeTerm),
+ ok = do_read_write_file(Name, Bin1),
%% Try a "null" term
NullTerm = [],
- ok = ?FILE_MODULE:write_file(Name,term_to_binary(NullTerm)),
- {ok,Bin2} = ?FILE_MODULE:read_file(Name),
- NullTerm = binary_to_term(Bin2),
-
- %% Try some "complicated" types
- BigNum = 123456789012345678901234567890,
- ComplTerm = {self(),make_ref(),BigNum,3.14159},
- ok = ?FILE_MODULE:write_file(Name,term_to_binary(ComplTerm)),
- {ok,Bin3} = ?FILE_MODULE:read_file(Name),
- ComplTerm = binary_to_term(Bin3),
+ Bin2 = term_to_binary(NullTerm),
+ ok = do_read_write_file(Name, Bin2),
%% Try reading a nonexistent file
Name2 = filename:join(RootDir,
@@ -519,25 +510,42 @@ read_write_file(Config) when is_list(Config) ->
{error, enoent} = ?FILE_MODULE:read_file(''),
%% Try writing to a bad filename
- {error, enoent} =
- ?FILE_MODULE:write_file("",term_to_binary(NullTerm)),
+ {error, enoent} = do_read_write_file("", Bin2),
%% Try writing something else than a binary
- {error, badarg} = ?FILE_MODULE:write_file(Name,{1,2,3}),
- {error, badarg} = ?FILE_MODULE:write_file(Name,self()),
+ {error, badarg} = do_read_write_file(Name, {1,2,3}),
+ {error, badarg} = do_read_write_file(Name, self()),
%% Some non-term binaries
- ok = ?FILE_MODULE:write_file(Name,[]),
- {ok,Bin4} = ?FILE_MODULE:read_file(Name),
- 0 = byte_size(Bin4),
+ ok = do_read_write_file(Name, []),
- ok = ?FILE_MODULE:write_file(Name,[Bin1,[],[[Bin2]]]),
- {ok,Bin5} = ?FILE_MODULE:read_file(Name),
- {Bin1,Bin2} = split_binary(Bin5,byte_size(Bin1)),
+ %% Write some iolists
+ ok = do_read_write_file(Name, [Bin1,[],[[Bin2]]]),
+ ok = do_read_write_file(Name, ["string",<<"binary">>]),
+ ok = do_read_write_file(Name, "pure string"),
[] = flush(),
ok.
+do_read_write_file(Name, Data) ->
+ case ?FILE_MODULE:write_file(Name, Data) of
+ ok ->
+ BinData = iolist_to_binary(Data),
+ {ok,BinData} = ?FILE_MODULE:read_file(Name),
+
+ ok = ?FILE_MODULE:write_file(Name, Data, []),
+ {ok,BinData} = ?FILE_MODULE:read_file(Name),
+
+ ok = ?FILE_MODULE:write_file(Name, Data, [raw]),
+ {ok,BinData} = ?FILE_MODULE:read_file(Name),
+
+ ok;
+ {error,_}=Res ->
+ Res = ?FILE_MODULE:write_file(Name, Data, []),
+ Res = ?FILE_MODULE:write_file(Name, Data, [raw]),
+ Res
+ end.
+
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