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-rw-r--r--lib/stdlib/test/binary_module_SUITE.erl138
1 files changed, 130 insertions, 8 deletions
diff --git a/lib/stdlib/test/binary_module_SUITE.erl b/lib/stdlib/test/binary_module_SUITE.erl
index b6d3dde1d4..ffed43af10 100644
--- a/lib/stdlib/test/binary_module_SUITE.erl
+++ b/lib/stdlib/test/binary_module_SUITE.erl
@@ -98,14 +98,104 @@ do_interesting(Module) ->
random_ref_comp(doc) ->
["Test pseudorandomly generated cases against reference imlementation"];
random_ref_comp(Config) when is_list(Config) ->
- put(success_counter,0),
- random:seed({1271,769940,559934}),
- do_random_match_comp(5000,{1,40},{30,1000}),
+ ?line put(success_counter,0),
+ ?line random:seed({1271,769940,559934}),
+ ?line do_random_match_comp(5000,{1,40},{30,1000}),
io:format("Number of successes: ~p~n",[get(success_counter)]),
- do_random_match_comp2(5000,{1,40},{30,1000}),
+ ?line do_random_match_comp2(5000,{1,40},{30,1000}),
io:format("Number of successes: ~p~n",[get(success_counter)]),
+ ?line do_random_match_comp3(5000,{1,40},{30,1000}),
+ io:format("Number of successes: ~p~n",[get(success_counter)]),
+ ?line do_random_matches_comp(5000,{1,40},{30,1000}),
+ io:format("Number of successes: ~p~n",[get(success_counter)]),
+ ?line do_random_matches_comp2(5000,{1,40},{30,1000}),
+ io:format("Number of successes: ~p~n",[get(success_counter)]),
+ ?line do_random_matches_comp3(5,{1,40},{30,1000}),
+ ?line erts_debug:set_internal_state(available_internal_state,true),
+ ?line io:format("oldlimit: ~p~n",[ erts_debug:set_internal_state(binary_loop_limit,100)]),
+ ?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),
ok.
+do_random_matches_comp(0,_,_) ->
+ ok;
+do_random_matches_comp(N,NeedleRange,HaystackRange) ->
+ NumNeedles = element(2,HaystackRange) div element(2,NeedleRange),
+ Needles = [random_string(NeedleRange) ||
+ _ <- lists:duplicate(NumNeedles,a)],
+ Haystack = random_string(HaystackRange),
+ true = do_matches_comp(Needles,Haystack),
+ do_random_matches_comp(N-1,NeedleRange,HaystackRange).
+
+do_random_matches_comp2(0,_,_) ->
+ ok;
+do_random_matches_comp2(N,NeedleRange,HaystackRange) ->
+ NumNeedles = element(2,HaystackRange) div element(2,NeedleRange),
+ Haystack = random_string(HaystackRange),
+ Needles = [random_substring(NeedleRange,Haystack) ||
+ _ <- lists:duplicate(NumNeedles,a)],
+ true = do_matches_comp(Needles,Haystack),
+ do_random_matches_comp2(N-1,NeedleRange,HaystackRange).
+
+do_random_matches_comp3(0,_,_) ->
+ ok;
+do_random_matches_comp3(N,NeedleRange,HaystackRange) ->
+ NumNeedles = element(2,HaystackRange) div element(2,NeedleRange),
+ Haystack = random_string(HaystackRange),
+ Needles = [random_substring(NeedleRange,Haystack) ||
+ _ <- lists:duplicate(NumNeedles,a)],
+ RefRes = binref:matches(Haystack,Needles),
+ true = do_matches_comp_loop(10000,Needles,Haystack, RefRes),
+ do_random_matches_comp3(N-1,NeedleRange,HaystackRange).
+
+do_matches_comp_loop(0,_,_,_) ->
+ true;
+do_matches_comp_loop(N, Needles, Haystack0,RR) ->
+ DummySize=N*8,
+ Haystack1 = <<0:DummySize,Haystack0/binary>>,
+ RR1=[{X+N,Y} || {X,Y} <- RR],
+ true = do_matches_comp2(Needles,Haystack1,RR1),
+ Haystack2 = <<Haystack0/binary,Haystack1/binary>>,
+ RR2 = RR ++ [{X2+N+byte_size(Haystack0),Y2} || {X2,Y2} <- RR],
+ true = do_matches_comp2(Needles,Haystack2,RR2),
+ do_matches_comp_loop(N-1, Needles, Haystack0,RR).
+
+
+do_matches_comp2(N,H,A) ->
+ C = (catch binary:matches(H,N)),
+ case (A =:= C) of
+ true ->
+ true;
+ _ ->
+ io:format("Failed to match ~p (needle) against ~s (haystack)~n",
+ [N,H]),
+ io:format("A:~p,~n,C:~p.~n",
+ [A,C]),
+ exit(mismatch)
+ end.
+do_matches_comp(N,H) ->
+ A = (catch binref:matches(H,N)),
+ B = (catch binref:matches(H,binref:compile_pattern(N))),
+ C = (catch binary:matches(H,N)),
+ D = (catch binary:matches(H,binary:compile_pattern(N))),
+ if
+ A =/= nomatch ->
+ put(success_counter,get(success_counter)+1);
+ true ->
+ ok
+ end,
+ case {(A =:= B), (B =:= C),(C =:= D)} of
+ {true,true,true} ->
+ true;
+ _ ->
+ io:format("Failed to match ~p (needle) against ~s (haystack)~n",
+ [N,H]),
+ io:format("A:~p,~nB:~p,~n,C:~p,~n,D:~p.~n",
+ [A,B,C,D]),
+ exit(mismatch)
+ end.
+
do_random_match_comp(0,_,_) ->
ok;
do_random_match_comp(N,NeedleRange,HaystackRange) ->
@@ -122,11 +212,43 @@ do_random_match_comp2(N,NeedleRange,HaystackRange) ->
true = do_match_comp(Needle,Haystack),
do_random_match_comp2(N-1,NeedleRange,HaystackRange).
+do_random_match_comp3(0,_,_) ->
+ ok;
+do_random_match_comp3(N,NeedleRange,HaystackRange) ->
+ NumNeedles = element(2,HaystackRange) div element(2,NeedleRange),
+ Haystack = random_string(HaystackRange),
+ Needles = [random_substring(NeedleRange,Haystack) ||
+ _ <- lists:duplicate(NumNeedles,a)],
+ true = do_match_comp3(Needles,Haystack),
+ do_random_match_comp3(N-1,NeedleRange,HaystackRange).
+
do_match_comp(N,H) ->
- A = binref:match(H,N),
- B = binref:match(H,binref:compile_pattern([N])),
- C = binary:match(H,N),
- D = binary:match(H,binary:compile_pattern([N])),
+ A = (catch binref:match(H,N)),
+ B = (catch binref:match(H,binref:compile_pattern([N]))),
+ C = (catch binary:match(H,N)),
+ D = (catch binary:match(H,binary:compile_pattern([N]))),
+ if
+ A =/= nomatch ->
+ put(success_counter,get(success_counter)+1);
+ true ->
+ ok
+ end,
+ case {(A =:= B), (B =:= C),(C =:= D)} of
+ {true,true,true} ->
+ true;
+ _ ->
+ io:format("Failed to match ~s (needle) against ~s (haystack)~n",
+ [N,H]),
+ io:format("A:~p,~nB:~p,~n,C:~p,~n,D:~p.~n",
+ [A,B,C,D]),
+ exit(mismatch)
+ end.
+
+do_match_comp3(N,H) ->
+ A = (catch binref:match(H,N)),
+ B = (catch binref:match(H,binref:compile_pattern(N))),
+ C = (catch binary:match(H,N)),
+ D = (catch binary:match(H,binary:compile_pattern(N))),
if
A =/= nomatch ->
put(success_counter,get(success_counter)+1);