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-rw-r--r--erts/emulator/test/map_SUITE.erl88
1 files changed, 76 insertions, 12 deletions
diff --git a/erts/emulator/test/map_SUITE.erl b/erts/emulator/test/map_SUITE.erl
index 4a8240a9b4..886ae7d516 100644
--- a/erts/emulator/test/map_SUITE.erl
+++ b/erts/emulator/test/map_SUITE.erl
@@ -2,16 +2,17 @@
%%
%% Copyright Ericsson AB 2013. All Rights Reserved.
%%
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
%%
%% %CopyrightEnd%
%%
@@ -2659,13 +2660,76 @@ t_erts_internal_order(_Config) when is_list(_Config) ->
t_erts_internal_hash(_Config) when is_list(_Config) ->
K1 = 0.0,
K2 = 0.0/-1,
+ M = maps:from_list([{I,I}||I<-lists:seq(1,32)]),
- M1 = (maps:from_list([{I,I}||I<-lists:seq(1,32)]))#{ K1 => a, K2 => b },
+ M1 = M#{ K1 => a, K2 => b },
b = maps:get(K2,M1),
- M2 = (maps:from_list([{I,I}||I<-lists:seq(1,32)]))#{ K2 => a, K1 => b },
+ M2 = M#{ K2 => a, K1 => b },
b = maps:get(K1,M2),
+ %% test previously faulty hash list optimization
+
+ M3 = M#{[0] => a, [0,0] => b, [0,0,0] => c, [0,0,0,0] => d},
+ a = maps:get([0],M3),
+ b = maps:get([0,0],M3),
+ c = maps:get([0,0,0],M3),
+ d = maps:get([0,0,0,0],M3),
+
+ M4 = M#{{[0]} => a, {[0,0]} => b, {[0,0,0]} => c, {[0,0,0,0]} => d},
+ a = maps:get({[0]},M4),
+ b = maps:get({[0,0]},M4),
+ c = maps:get({[0,0,0]},M4),
+ d = maps:get({[0,0,0,0]},M4),
+
+ M5 = M3#{[0,0,0] => e, [0,0,0,0] => f, [0,0,0,0,0] => g,
+ [0,0,0,0,0,0] => h, [0,0,0,0,0,0,0] => i,
+ [0,0,0,0,0,0,0,0] => j, [0,0,0,0,0,0,0,0,0] => k},
+
+ a = maps:get([0],M5),
+ b = maps:get([0,0],M5),
+ e = maps:get([0,0,0],M5),
+ f = maps:get([0,0,0,0],M5),
+ g = maps:get([0,0,0,0,0],M5),
+ h = maps:get([0,0,0,0,0,0],M5),
+ i = maps:get([0,0,0,0,0,0,0],M5),
+ j = maps:get([0,0,0,0,0,0,0,0],M5),
+ k = maps:get([0,0,0,0,0,0,0,0,0],M5),
+
+ M6 = M4#{{[0,0,0]} => e, {[0,0,0,0]} => f, {[0,0,0,0,0]} => g,
+ {[0,0,0,0,0,0]} => h, {[0,0,0,0,0,0,0]} => i,
+ {[0,0,0,0,0,0,0,0]} => j, {[0,0,0,0,0,0,0,0,0]} => k},
+
+ a = maps:get({[0]},M6),
+ b = maps:get({[0,0]},M6),
+ e = maps:get({[0,0,0]},M6),
+ f = maps:get({[0,0,0,0]},M6),
+ g = maps:get({[0,0,0,0,0]},M6),
+ h = maps:get({[0,0,0,0,0,0]},M6),
+ i = maps:get({[0,0,0,0,0,0,0]},M6),
+ j = maps:get({[0,0,0,0,0,0,0,0]},M6),
+ k = maps:get({[0,0,0,0,0,0,0,0,0]},M6),
+
+ M7 = maps:merge(M5,M6),
+
+ a = maps:get([0],M7),
+ b = maps:get([0,0],M7),
+ e = maps:get([0,0,0],M7),
+ f = maps:get([0,0,0,0],M7),
+ g = maps:get([0,0,0,0,0],M7),
+ h = maps:get([0,0,0,0,0,0],M7),
+ i = maps:get([0,0,0,0,0,0,0],M7),
+ j = maps:get([0,0,0,0,0,0,0,0],M7),
+ k = maps:get([0,0,0,0,0,0,0,0,0],M7),
+ a = maps:get({[0]},M7),
+ b = maps:get({[0,0]},M7),
+ e = maps:get({[0,0,0]},M7),
+ f = maps:get({[0,0,0,0]},M7),
+ g = maps:get({[0,0,0,0,0]},M7),
+ h = maps:get({[0,0,0,0,0,0]},M7),
+ i = maps:get({[0,0,0,0,0,0,0]},M7),
+ j = maps:get({[0,0,0,0,0,0,0,0]},M7),
+ k = maps:get({[0,0,0,0,0,0,0,0,0]},M7),
ok.
t_pdict(_Config) ->