diff options
Diffstat (limited to 'lib/stdlib/test')
| -rw-r--r-- | lib/stdlib/test/re_SUITE.erl | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/lib/stdlib/test/re_SUITE.erl b/lib/stdlib/test/re_SUITE.erl index f026159b47..06d8fe9255 100644 --- a/lib/stdlib/test/re_SUITE.erl +++ b/lib/stdlib/test/re_SUITE.erl @@ -28,7 +28,8 @@ pcre_compile_workspace_overflow/1,re_infinite_loop/1, re_backwards_accented/1,opt_dupnames/1,opt_all_names/1,inspect/1, opt_no_start_optimize/1,opt_never_utf/1,opt_ucp/1, - match_limit/1,sub_binaries/1,copt/1,global_unicode_validation/1]). + match_limit/1,sub_binaries/1,copt/1,global_unicode_validation/1, + yield_on_subject_validation/1]). -include_lib("common_test/include/ct.hrl"). -include_lib("kernel/include/file.hrl"). @@ -45,7 +46,8 @@ all() -> pcre_compile_workspace_overflow, re_infinite_loop, re_backwards_accented, opt_dupnames, opt_all_names, inspect, opt_no_start_optimize,opt_never_utf,opt_ucp, - match_limit, sub_binaries, re_version, global_unicode_validation]. + match_limit, sub_binaries, re_version, global_unicode_validation, + yield_on_subject_validation]. groups() -> []. @@ -226,6 +228,33 @@ take_time(Fun) -> End = erlang:monotonic_time(nanosecond), {End-Start, Res}. +yield_on_subject_validation(Config) when is_list(Config) -> + Go = make_ref(), + Bin = binary:copy(<<"abc\n">>,100000), + {P, M} = spawn_opt(fun () -> + receive Go -> ok end, + {match,[{1,1}]} = re:run(Bin, <<"b">>, [unicode]) + end, + [link, monitor]), + 1 = erlang:trace(P, true, [running]), + P ! Go, + N = count_re_run_trap_out(P, M), + true = N >= 5, + ok. + +count_re_run_trap_out(P, M) when is_reference(M) -> + receive {'DOWN',M,process,P,normal} -> ok end, + TD = erlang:trace_delivered(P), + receive {trace_delivered, P, TD} -> ok end, + count_re_run_trap_out(P, 0); +count_re_run_trap_out(P, N) when is_integer(N) -> + receive + {trace,P,out,{erlang,re_run_trap,3}} -> + count_re_run_trap_out(P, N+1) + after 0 -> + N + end. + %% Test compile options given directly to run. combined_options(Config) when is_list(Config) -> ok = crtest("ABDabcdABCD","abcd",[],true,{match,[{3,4}]}), |