diff options
Diffstat (limited to 'lib/tools/test/cover_SUITE.erl')
| -rw-r--r-- | lib/tools/test/cover_SUITE.erl | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/tools/test/cover_SUITE.erl b/lib/tools/test/cover_SUITE.erl index f4c3a0e3b6..c12ea581e2 100644 --- a/lib/tools/test/cover_SUITE.erl +++ b/lib/tools/test/cover_SUITE.erl @@ -31,6 +31,7 @@ all() -> NoStartStop = [eif,otp_5305,otp_5418,otp_7095,otp_8273, otp_8340,otp_8188,compile_beam_opts,eep37, analyse_no_beam, line_0, compile_beam_no_file, + compile_beam_missing_backend, otp_13277, otp_13289], StartStop = [start, compile, analyse, misc, stop, distribution, reconnect, die_and_reconnect, @@ -1706,12 +1707,42 @@ compile_beam_no_file(Config) -> [{error,{no_file_attribute,BeamFile}}] = cover:compile_beam_directory(Dir), ok. +%% GH-4353: Don't crash when the backend for generating the abstract code +%% is missing. +compile_beam_missing_backend(Config) -> + PrivDir = proplists:get_value(priv_dir, Config), + Dir = filename:join(PrivDir, ?FUNCTION_NAME), + ok = filelib:ensure_dir(filename:join(Dir, "*")), + code:add_patha(Dir), + Str = lists:append( + ["-module(no_backend).\n" + "-compile(export_all).\n" + "foo() -> ok.\n"]), + TT = do_scan(Str), + Forms = [ begin {ok,Y} = erl_parse:parse_form(X),Y end || X <- TT ], + {ok,_,Bin} = compile:forms(Forms, [debug_info]), + + %% Create a debug_info chunk with a non-existing backend. + {ok,no_backend,All0} = beam_lib:all_chunks(Bin), + FakeBackend = definitely__not__an__existing__backend, + FakeDebugInfo = {debug_info_v1,FakeBackend,nothing_here}, + All = lists:keyreplace("Dbgi", 1, All0, {"Dbgi", term_to_binary(FakeDebugInfo)}), + {ok,NewBeam} = beam_lib:build_module(All), + BeamFile = filename:join(Dir, "no_backend.beam"), + ok = file:write_file(BeamFile, NewBeam), + + {error,{{missing_backend,FakeBackend},BeamFile}} = cover:compile_beam(no_backend), + [{error,{{missing_backend,FakeBackend},BeamFile}}] = cover:compile_beam_directory(Dir), + + ok. + do_scan([]) -> []; do_scan(Str) -> {done,{ok,T,_},C} = erl_scan:tokens([],Str,0), [ T | do_scan(C) ]. + %% PR 856. Fix a bc bug. otp_13277(Config) -> Test = <<"-module(t). |