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-rw-r--r--lib/stdlib/test/ets_SUITE.erl69
-rw-r--r--lib/stdlib/test/ms_transform_SUITE.erl101
2 files changed, 167 insertions, 3 deletions
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl
index 3900a9fedd..7f39dbe21f 100644
--- a/lib/stdlib/test/ets_SUITE.erl
+++ b/lib/stdlib/test/ets_SUITE.erl
@@ -94,6 +94,8 @@
do_heavy_concurrent/1
]).
+-export([t_select_reverse/1]).
+
-include("test_server.hrl").
init_per_testcase(Case, Config) ->
@@ -128,7 +130,7 @@ all(suite) ->
match_heavy, fold, member,
t_delete_object, t_init_table, t_whitebox,
t_delete_all_objects, t_insert_list, t_test_ms,
- t_select_delete, t_ets_dets, memory,
+ t_select_delete, t_ets_dets, memory, t_select_reverse,
t_bucket_disappears,
select_fail,t_insert_new, t_repair_continuation, otp_5340, otp_6338,
otp_6842_select_1000, otp_7665, otp_8732,
@@ -788,6 +790,67 @@ t_test_ms(Config) when is_list(Config) ->
?line true = (if is_list(String) -> true; true -> false end),
?line verify_etsmem(EtsMem).
+t_select_reverse(doc) ->
+ ["Test the select reverse BIF's"];
+t_select_reverse(suite) ->
+ [];
+t_select_reverse(Config) when is_list(Config) ->
+ ?line Table = ets:new(xxx, [ordered_set]),
+ ?line filltabint(Table,1000),
+ ?line A = lists:reverse(ets:select(Table,[{{'$1', '_'},
+ [{'>',
+ {'rem',
+ '$1', 5},
+ 2}],
+ ['$_']}])),
+ ?line A = ets:select_reverse(Table,[{{'$1', '_'},
+ [{'>',
+ {'rem',
+ '$1', 5},
+ 2}],
+ ['$_']}]),
+ ?line A = reverse_chunked(Table,[{{'$1', '_'},
+ [{'>',
+ {'rem',
+ '$1', 5},
+ 2}],
+ ['$_']}],3),
+ % A set/bag/duplicate_bag should get the same result regardless
+ % of select or select_reverse
+ ?line Table2 = ets:new(xxx, [set]),
+ ?line filltabint(Table2,1000),
+ ?line Table3 = ets:new(xxx, [bag]),
+ ?line filltabint(Table3,1000),
+ ?line Table4 = ets:new(xxx, [duplicate_bag]),
+ ?line filltabint(Table4,1000),
+ ?line lists:map(fun(Tab) ->
+ B = ets:select(Tab,[{{'$1', '_'},
+ [{'>',
+ {'rem',
+ '$1', 5},
+ 2}],
+ ['$_']}]),
+ B = ets:select_reverse(Tab,[{{'$1', '_'},
+ [{'>',
+ {'rem',
+ '$1', 5},
+ 2}],
+ ['$_']}])
+ end,[Table2, Table3, Table4]),
+ ok.
+
+
+
+reverse_chunked(T,MS,N) ->
+ do_reverse_chunked(ets:select_reverse(T,MS,N),[]).
+
+do_reverse_chunked('$end_of_table',Acc) ->
+ lists:reverse(Acc);
+do_reverse_chunked({L,C},Acc) ->
+ NewAcc = lists:reverse(L)++Acc,
+ do_reverse_chunked(ets:select_reverse(C), NewAcc).
+
+
t_select_delete(doc) ->
["Test the ets:select_delete/2 and ets:select_count/2 BIF's"];
t_select_delete(suite) ->
@@ -3942,7 +4005,7 @@ do_lookup_element(Tab, N, M) ->
end.
-heavy_concurrent(Config) ->
+heavy_concurrent(_Config) ->
repeat_for_opts(do_heavy_concurrent).
do_heavy_concurrent(Opts) ->
@@ -3961,7 +4024,7 @@ do_heavy_concurrent(Opts) ->
?line lists:foreach(fun (P) ->
M = erlang:monitor(process, P),
receive
- {'DOWN', Mon, process, P, _} ->
+ {'DOWN', M, process, P, _} ->
ok
end
end,
diff --git a/lib/stdlib/test/ms_transform_SUITE.erl b/lib/stdlib/test/ms_transform_SUITE.erl
index 79a0a9af89..2d90d5b823 100644
--- a/lib/stdlib/test/ms_transform_SUITE.erl
+++ b/lib/stdlib/test/ms_transform_SUITE.erl
@@ -37,6 +37,7 @@
-export([andalso_orelse/1]).
-export([float_1_function/1]).
-export([action_function/1]).
+-export([warnings/1]).
-export([init_per_testcase/2, fin_per_testcase/2]).
init_per_testcase(_Func, Config) ->
@@ -50,8 +51,90 @@ fin_per_testcase(_Func, Config) ->
all(suite) -> [from_shell,basic_ets,basic_dbg,records,record_index,multipass,
bitsyntax, record_defaults, andalso_orelse,
float_1_function, action_function,
+ warnings,
top_match, old_guards, autoimported, semicolon].
+%% This may be subject to change
+-define(WARN_NUMBER_SHADOW,50).
+warnings(suite) ->
+ [];
+warnings(doc) ->
+ ["Check that shadowed variables in fun head generate warning"];
+warnings(Config) when is_list(Config) ->
+ ?line setup(Config),
+ Prog = <<"A=5, "
+ "ets:fun2ms(fun({A,B}) "
+ " when is_integer(A) and (A+5 > B) -> "
+ " A andalso B "
+ " end)">>,
+ ?line [{_,[{_,ms_transform,{?WARN_NUMBER_SHADOW,'A'}}]}] =
+ compile_ww(Prog),
+ Prog2 = <<"C=5, "
+ "ets:fun2ms(fun({A,B} = C) "
+ " when is_integer(A) and (A+5 > B) -> "
+ " {A andalso B,C} "
+ " end)">>,
+ ?line [{_,[{_,ms_transform,{?WARN_NUMBER_SHADOW,'C'}}]}] =
+ compile_ww(Prog2),
+ Rec3 = <<"-record(a,{a,b,c,d=foppa}).">>,
+ Prog3 = <<"A=3,C=5, "
+ "ets:fun2ms(fun(#a{a = A, b = B} = C) "
+ " when is_integer(A) and (A+5 > B) -> "
+ " {A andalso B,C} "
+ " end)">>,
+ ?line [{_,[{_,ms_transform,{?WARN_NUMBER_SHADOW,'A'}},
+ {_,ms_transform,{?WARN_NUMBER_SHADOW,'C'}}]}] =
+ compile_ww(Rec3,Prog3),
+ Rec4 = <<"-record(a,{a,b,c,d=foppa}).">>,
+ Prog4 = <<"A=3,C=5, "
+ "F = fun(B) -> B*3 end,"
+ "erlang:display(F(A)),"
+ "ets:fun2ms(fun(#a{a = A, b = B} = C) "
+ " when is_integer(A) and (A+5 > B) -> "
+ " {A andalso B,C} "
+ " end)">>,
+ ?line [{_,[{_,ms_transform,{?WARN_NUMBER_SHADOW,'A'}},
+ {_,ms_transform,{?WARN_NUMBER_SHADOW,'C'}}]}] =
+ compile_ww(Rec4,Prog4),
+ Rec5 = <<"-record(a,{a,b,c,d=foppa}).">>,
+ Prog5 = <<"A=3,C=5, "
+ "F = fun(B) -> B*3 end,"
+ "erlang:display(F(A)),"
+ "B = ets:fun2ms(fun(#a{a = A, b = B} = C) "
+ " when is_integer(A) and (A+5 > B) -> "
+ " {A andalso B,C} "
+ " end)">>,
+ ?line [{_,[{_,ms_transform,{?WARN_NUMBER_SHADOW,'A'}},
+ {_,ms_transform,{?WARN_NUMBER_SHADOW,'C'}}]}] =
+ compile_ww(Rec5,Prog5),
+ Prog6 = <<" X=bar, "
+ " A = case X of"
+ " foo ->"
+ " foo;"
+ " Y ->"
+ " ets:fun2ms(fun(Y) ->" % This is a warning
+ " 3*Y"
+ " end)"
+ " end,"
+ " ets:fun2ms(fun(Y) ->" % Y out of "scope" here, so no warning
+ " {3*Y,A}"
+ " end)">>,
+ ?line [{_,[{_,ms_transform,{?WARN_NUMBER_SHADOW,'Y'}}]}] =
+ compile_ww(Prog6),
+ Prog7 = <<" X=bar, "
+ " A = case X of"
+ " foo ->"
+ " Y = foo;"
+ " Y ->"
+ " bar"
+ " end,"
+ " ets:fun2ms(fun(Y) ->" % Y exported from case and safe, so warn
+ " {3*Y,A}"
+ " end)">>,
+ ?line [{_,[{_,ms_transform,{?WARN_NUMBER_SHADOW,'Y'}}]}] =
+ compile_ww(Prog7),
+ ok.
+
andalso_orelse(suite) ->
[];
andalso_orelse(doc) ->
@@ -721,6 +804,24 @@ compile_and_run(Records,Expr) ->
code:load_binary(tmp,FN,Bin),
tmp:tmp().
+compile_ww(Expr) ->
+ compile_ww(<<>>,Expr).
+compile_ww(Records,Expr) ->
+ Prog = <<
+ "-module(tmp).\n",
+ "-include_lib(\"stdlib/include/ms_transform.hrl\").\n",
+ "-export([tmp/0]).\n",
+ Records/binary,"\n",
+ "tmp() ->\n",
+ Expr/binary,".\n">>,
+ FN=temp_name(),
+ file:write_file(FN,Prog),
+ {ok,Forms} = epp:parse_file(FN,"",""),
+ {ok,tmp,_Bin,Wlist} = compile:forms(Forms,[return_warnings,
+ nowarn_unused_vars,
+ nowarn_unused_record]),
+ Wlist.
+
do_eval(String) ->
{done,{ok,T,_},[]} = erl_scan:tokens(
[],
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-11 03:37:47 +0000