diff options
Diffstat (limited to 'lib/stdlib/test')
| -rw-r--r-- | lib/stdlib/test/binary_module_SUITE.erl | 63 | ||||
| -rw-r--r-- | lib/stdlib/test/binref.erl | 13 |
2 files changed, 72 insertions, 4 deletions
diff --git a/lib/stdlib/test/binary_module_SUITE.erl b/lib/stdlib/test/binary_module_SUITE.erl index 00fb87b76f..1c386b049c 100644 --- a/lib/stdlib/test/binary_module_SUITE.erl +++ b/lib/stdlib/test/binary_module_SUITE.erl @@ -1,7 +1,9 @@ -module(binary_module_SUITE). -export([all/1, interesting/1,random_ref_comp/1,random_ref_sr_comp/1, - random_ref_fla_comp/1,parts/1, bin_to_list/1]). + random_ref_fla_comp/1,parts/1, bin_to_list/1, list_to_bin/1, copy/1]). + +-export([random_copy/1]). -define(STANDALONE,1). @@ -26,7 +28,7 @@ run() -> -endif. all(suite) -> [interesting,random_ref_fla_comp,random_ref_sr_comp, - random_ref_comp,parts,bin_to_list]. + random_ref_comp,parts,bin_to_list, list_to_bin, copy]. -define(MASK_ERROR(EXPR),mask_error((catch (EXPR)))). @@ -290,6 +292,62 @@ do_interesting(Module) -> ?line [1,2,3] = ?MASK_ERROR(Module:bin_to_list(<<1,2,3>>,3,-3)), ok. +list_to_bin(doc) -> + ["Test list_to_bin/1 bif"]; +list_to_bin(Config) when is_list(Config) -> + %% Just some smoke_tests first, then go nuts with random cases + ?line badarg = ?MASK_ERROR(binary:list_to_bin({})), + ?line badarg = ?MASK_ERROR(binary:list_to_bin(apa)), + ?line badarg = ?MASK_ERROR(binary:list_to_bin(<<"apa">>)), + F1 = fun(L) -> + ?MASK_ERROR(binref:list_to_bin(L)) + end, + F2 = fun(L) -> + ?MASK_ERROR(binary:list_to_bin(L)) + end, + ?line random_iolist:run(1000,F1,F2), + ok. + +copy(doc) -> + ["Test copy/1,2 bif's"]; +copy(Config) when is_list(Config) -> + ?line <<1,2,3>> = binary:copy(<<1,2,3>>), + ?line RS = random_string({1,10000}), + ?line RS = RS2 = binary:copy(RS), + ?line false = erts_debug:same(RS,RS2), + ?line badarg = ?MASK_ERROR(binary:copy(<<1,2,3>>,0)), + ?line badarg = ?MASK_ERROR(binary:copy(<<>>,0)), + ?line <<>> = binary:copy(<<>>,10000), + ?line random:seed({1271,769940,559934}), + ?line ok = random_copy(3000), + ?line erts_debug:set_internal_state(available_internal_state,true), + ?line io:format("oldlimit: ~p~n", + [erts_debug:set_internal_state(binary_loop_limit,10)]), + ?line ok = random_copy(1000), + ?line io:format("limit was: ~p~n", + [erts_debug:set_internal_state(binary_loop_limit, + default)]), + ?line erts_debug:set_internal_state(available_internal_state,false), + ok. + +random_copy(0) -> + ok; +random_copy(N) -> + Str = random_string({0,N}), + Num = random:uniform(N div 10+1), + A = ?MASK_ERROR(binary:copy(Str,Num)), + B = ?MASK_ERROR(binref:copy(Str,Num)), + C = ?MASK_ERROR(binary:copy(make_unaligned(Str),Num)), + case {(A =:= B), (B =:= C)} of + {true,true} -> + random_copy(N-1); + _ -> + io:format("Failed to pick copy ~s ~p times~n", + [Str,Num]), + io:format("A:~p,~nB:~p,~n,C:~p.~n", + [A,B,C]), + exit(mismatch) + end. bin_to_list(doc) -> ["Test bin_to_list/1,2,3 bif's"]; @@ -426,7 +484,6 @@ random_ref_comp(Config) when is_list(Config) -> ?line do_random_matches_comp3(5,{1,40},{30,1000}), ?line io:format("limit was: ~p~n",[ erts_debug:set_internal_state(binary_loop_limit,default)]), ?line erts_debug:set_internal_state(available_internal_state,false), - ?line put(success_counter,0), ok. random_ref_sr_comp(doc) -> diff --git a/lib/stdlib/test/binref.erl b/lib/stdlib/test/binref.erl index e09a0f2743..2322d036a2 100644 --- a/lib/stdlib/test/binref.erl +++ b/lib/stdlib/test/binref.erl @@ -4,7 +4,8 @@ split/2,split/3,replace/3,replace/4,first/1,last/1,at/2, part/2,part/3,copy/1,copy/2,encode_unsigned/1,encode_unsigned/2, decode_unsigned/1,decode_unsigned/2,referenced_byte_size/1, - longest_common_prefix/1,longest_common_suffix/1,bin_to_list/1, bin_to_list/2, bin_to_list/3 ]). + longest_common_prefix/1,longest_common_suffix/1,bin_to_list/1, + bin_to_list/2,bin_to_list/3,list_to_bin/1]). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -351,6 +352,16 @@ bin_to_list(Subject,A,B) -> _:_ -> erlang:error(badarg) end. +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% list_to_bin +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +list_to_bin(List) -> + try + erlang:list_to_binary(List) + catch + _:_ -> + erlang:error(badarg) + end. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% longest_common_prefix |