diff options
| -rw-r--r-- | lib/syntax_tools/test/syntax_tools_SUITE.erl | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/lib/syntax_tools/test/syntax_tools_SUITE.erl b/lib/syntax_tools/test/syntax_tools_SUITE.erl index fd381f0b25..9eef56bddb 100644 --- a/lib/syntax_tools/test/syntax_tools_SUITE.erl +++ b/lib/syntax_tools/test/syntax_tools_SUITE.erl @@ -24,12 +24,12 @@ init_per_group/2,end_per_group/2]). %% Test cases --export([smoke_test/1]). +-export([smoke_test/1,revert/1]). suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [smoke_test]. + [smoke_test,revert]. groups() -> []. @@ -79,6 +79,31 @@ print_error_markers(F, File) -> end. +%% Read with erl_parse, wrap and revert with erl_syntax and check for equality. +revert(Config) when is_list(Config) -> + Dog = ?t:timetrap(?t:minutes(12)), + Wc = filename:join([code:lib_dir("stdlib"),"src","*.erl"]), + Fs = filelib:wildcard(Wc), + Path = [filename:join(code:lib_dir(stdlib), "include"), + filename:join(code:lib_dir(kernel), "include")], + io:format("~p files\n", [length(Fs)]), + case p_run(fun (File) -> revert_file(File, Path) end, Fs) of + 0 -> ok; + N -> ?line ?t:fail({N,errors}) + end, + ?line ?t:timetrap_cancel(Dog). + +revert_file(File, Path) -> + case epp:parse_file(File, Path, []) of + {ok,Fs0} -> + Fs1 = erl_syntax:form_list(Fs0), + Fs2 = erl_syntax_lib:map(fun (Node) -> Node end, Fs1), + Fs3 = erl_syntax:form_list_elements(Fs2), + Fs4 = [ erl_syntax:revert(Form) || Form <- Fs3 ], + {ok,_} = compile:forms(Fs4, [report,strong_validation]), + ok + end. + p_run(Test, List) -> N = erlang:system_info(schedulers), p_run_loop(Test, List, N, [], 0). |