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-rw-r--r--lib/stdlib/test/filelib_SUITE.erl55
1 files changed, 53 insertions, 2 deletions
diff --git a/lib/stdlib/test/filelib_SUITE.erl b/lib/stdlib/test/filelib_SUITE.erl
index 4f8936edbf..87fba815d2 100644
--- a/lib/stdlib/test/filelib_SUITE.erl
+++ b/lib/stdlib/test/filelib_SUITE.erl
@@ -25,7 +25,8 @@
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,ensure_dir_symlink/1,
- wildcard_symlink/1, is_file_symlink/1, file_props_symlink/1]).
+ wildcard_symlink/1, is_file_symlink/1, file_props_symlink/1,
+ find_source/1]).
-import(lists, [foreach/2]).
@@ -45,7 +46,8 @@ suite() ->
all() ->
[wildcard_one, wildcard_two, wildcard_errors,
fold_files, otp_5960, ensure_dir_eexist, ensure_dir_symlink,
- wildcard_symlink, is_file_symlink, file_props_symlink].
+ wildcard_symlink, is_file_symlink, file_props_symlink,
+ find_source].
groups() ->
[].
@@ -503,3 +505,52 @@ file_props_symlink(Config) ->
FileSize = filelib:file_size(Alias, erl_prim_loader),
FileSize = filelib:file_size(Alias, prim_file)
end.
+
+find_source(Config) when is_list(Config) ->
+ BeamFile = code:which(lists),
+ BeamName = filename:basename(BeamFile),
+ BeamDir = filename:dirname(BeamFile),
+ SrcName = filename:basename(BeamFile, ".beam") ++ ".erl",
+
+ {ok, BeamFile} = filelib:find_file(BeamName, BeamDir),
+ {ok, BeamFile} = filelib:find_file(BeamName, BeamDir, []),
+ {ok, BeamFile} = filelib:find_file(BeamName, BeamDir, [{"",""},{"ebin","src"}]),
+ {error, not_found} = filelib:find_file(BeamName, BeamDir, [{"ebin","src"}]),
+
+ {ok, SrcFile} = filelib:find_file(SrcName, BeamDir),
+ {ok, SrcFile} = filelib:find_file(SrcName, BeamDir, []),
+ {ok, SrcFile} = filelib:find_file(SrcName, BeamDir, [{"foo","bar"},{"ebin","src"}]),
+ {error, not_found} = filelib:find_file(SrcName, BeamDir, [{"",""}]),
+
+ {ok, SrcFile} = filelib:find_source(BeamFile),
+ {ok, SrcFile} = filelib:find_source(BeamName, BeamDir),
+ {ok, SrcFile} = filelib:find_source(BeamName, BeamDir,
+ [{".erl",".yrl",[{"",""}]},
+ {".beam",".erl",[{"ebin","src"}]}]),
+ {error, not_found} = filelib:find_source(BeamName, BeamDir,
+ [{".erl",".yrl",[{"",""}]}]),
+
+ {ok, ParserErl} = filelib:find_source(code:which(erl_parse)),
+ {ok, ParserYrl} = filelib:find_source(ParserErl),
+ "lry." ++ _ = lists:reverse(ParserYrl),
+ {ok, ParserYrl} = filelib:find_source(ParserErl,
+ [{".beam",".erl",[{"ebin","src"}]},
+ {".erl",".yrl",[{"",""}]}]),
+
+ %% find_source automatically checks the local directory regardless of rules
+ {ok, ParserYrl} = filelib:find_source(ParserErl),
+ {ok, ParserYrl} = filelib:find_source(ParserErl,
+ [{".beam",".erl",[{"ebin","src"}]}]),
+
+ %% find_file does not check the local directory unless in the rules
+ ParserYrlName = filename:basename(ParserYrl),
+ ParserYrlDir = filename:dirname(ParserYrl),
+ {ok, ParserYrl} = filelib:find_file(ParserYrlName, ParserYrlDir,
+ [{"",""}]),
+ {error, not_found} = filelib:find_file(ParserYrlName, ParserYrlDir,
+ [{"ebin","src"}]),
+
+ %% local directory is in the default list for find_file
+ {ok, ParserYrl} = filelib:find_file(ParserYrlName, ParserYrlDir),
+ {ok, ParserYrl} = filelib:find_file(ParserYrlName, ParserYrlDir, []),
+ ok.