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-rw-r--r--erts/emulator/test/Makefile2
-rw-r--r--erts/emulator/test/atomics_SUITE.erl147
-rw-r--r--erts/emulator/test/counters_SUITE.erl112
3 files changed, 261 insertions, 0 deletions
diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile
index d201ea6ee1..6a064ec8d4 100644
--- a/erts/emulator/test/Makefile
+++ b/erts/emulator/test/Makefile
@@ -33,6 +33,7 @@ MODULES= \
after_SUITE \
alloc_SUITE \
async_ports_SUITE \
+ atomics_SUITE \
beam_SUITE \
beam_literals_SUITE \
bif_SUITE \
@@ -50,6 +51,7 @@ MODULES= \
call_trace_SUITE \
code_SUITE \
code_parallel_load_SUITE \
+ counters_SUITE \
crypto_SUITE \
ddll_SUITE \
decode_packet_SUITE \
diff --git a/erts/emulator/test/atomics_SUITE.erl b/erts/emulator/test/atomics_SUITE.erl
new file mode 100644
index 0000000000..8c42354770
--- /dev/null
+++ b/erts/emulator/test/atomics_SUITE.erl
@@ -0,0 +1,147 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2018. All Rights Reserved.
+%%
+%% 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%
+%%
+-module(atomics_SUITE).
+
+-include_lib("common_test/include/ct.hrl").
+
+-compile(export_all).
+
+suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() ->
+ [signed, unsigned, bad, signed_limits, unsigned_limits].
+
+signed(Config) when is_list(Config) ->
+ Size = 10,
+ Ref = atomics:new(Size,[]),
+ #{size:=Size, memory:=Memory} = atomics:info(Ref),
+ {_,true} = {Memory, Memory > Size*8},
+ {_,true} = {Memory, Memory < Size*max_atomic_sz() + 100},
+ [signed_do(Ref, Ix) || Ix <- lists:seq(1, Size)],
+ ok.
+
+signed_do(Ref, Ix) ->
+ 0 = atomics:get(Ref, Ix),
+ ok = atomics:put(Ref, Ix, 3),
+ ok = atomics:add(Ref, Ix, 14),
+ 17 = atomics:get(Ref, Ix),
+ 20 = atomics:add_get(Ref, Ix, 3),
+ -3 = atomics:add_get(Ref, Ix, -23),
+ 17 = atomics:add_get(Ref, Ix, 20),
+ ok = atomics:sub(Ref, Ix, 4),
+ 13 = atomics:get(Ref, Ix),
+ -7 = atomics:sub_get(Ref, Ix, 20),
+ 3 = atomics:sub_get(Ref, Ix, -10),
+ 3 = atomics:exchange(Ref, Ix, 666),
+ ok = atomics:compare_exchange(Ref, Ix, 666, 777),
+ 777 = atomics:compare_exchange(Ref, Ix, 666, -666),
+ ok.
+
+unsigned(Config) when is_list(Config) ->
+ Size = 10,
+ Ref = atomics:new(Size,[{signed, false}]),
+ #{size:=Size, memory:=Memory} = atomics:info(Ref),
+ true = Memory > Size*8,
+ true = Memory < Size*max_atomic_sz() + 100,
+ [unsigned_do(Ref, Ix) || Ix <- lists:seq(1, Size)],
+ ok.
+
+unsigned_do(Ref, Ix) ->
+ 0 = atomics:get(Ref, Ix),
+ ok = atomics:put(Ref, Ix, 3),
+ ok = atomics:add(Ref, Ix, 14),
+ 17 = atomics:get(Ref, Ix),
+ 20 = atomics:add_get(Ref, Ix, 3),
+ ok = atomics:sub(Ref, Ix, 7),
+ 13 = atomics:get(Ref, Ix),
+ 3 = atomics:sub_get(Ref, Ix, 10),
+ 3 = atomics:exchange(Ref, Ix, 666),
+ ok = atomics:compare_exchange(Ref, Ix, 666, 777),
+ 777 = atomics:compare_exchange(Ref, Ix, 666, 888),
+ ok.
+
+bad(Config) when is_list(Config) ->
+ {'EXIT',{badarg,_}} = (catch atomics:new(0,[])),
+ {'EXIT',{badarg,_}} = (catch atomics:new(10,[bad])),
+ {'EXIT',{badarg,_}} = (catch atomics:new(10,[{signed,bad}])),
+ {'EXIT',{badarg,_}} = (catch atomics:new(10,[{signed,true}, bad])),
+ {'EXIT',{badarg,_}} = (catch atomics:new(10,[{signed,false} | bad])),
+ Ref = atomics:new(10,[]),
+ {'EXIT',{badarg,_}} = (catch atomics:get(1742, 7)),
+ {'EXIT',{badarg,_}} = (catch atomics:get(make_ref(), 7)),
+ {'EXIT',{badarg,_}} = (catch atomics:get(Ref, -1)),
+ {'EXIT',{badarg,_}} = (catch atomics:get(Ref, 0)),
+ {'EXIT',{badarg,_}} = (catch atomics:get(Ref, 11)),
+ {'EXIT',{badarg,_}} = (catch atomics:get(Ref, 7.0)),
+ ok.
+
+
+signed_limits(Config) when is_list(Config) ->
+ Bits = 64,
+ Max = (1 bsl (Bits-1)) - 1,
+ Min = -(1 bsl (Bits-1)),
+
+ Ref = atomics:new(1,[{signed, true}]),
+ #{max:=Max, min:=Min} = atomics:info(Ref),
+ 0 = atomics:get(Ref, 1),
+ ok = atomics:add(Ref, 1, Max),
+ Min = atomics:add_get(Ref, 1, 1),
+ Max = atomics:sub_get(Ref, 1, 1),
+
+ IncrMax = (Max bsl 1) bor 1,
+ ok = atomics:put(Ref, 1, 0),
+ ok = atomics:add(Ref, 1, IncrMax),
+ -1 = atomics:get(Ref, 1),
+ {'EXIT',{badarg,_}} = (catch atomics:add(Ref, 1, IncrMax+1)),
+ {'EXIT',{badarg,_}} = (catch atomics:add(Ref, 1, Min-1)),
+
+ ok.
+
+unsigned_limits(Config) when is_list(Config) ->
+ Bits = 64,
+ Max = (1 bsl Bits) - 1,
+ Min = 0,
+
+ Ref = atomics:new(1,[{signed,false}]),
+ #{max:=Max, min:=Min} = atomics:info(Ref),
+ 0 = atomics:get(Ref, 1),
+ ok = atomics:add(Ref, 1, Max),
+ Min = atomics:add_get(Ref, 1, 1),
+ Max = atomics:sub_get(Ref, 1, 1),
+
+ {'EXIT',{badarg,_}} = (catch atomics:add(Ref, 1, Max+1)),
+ IncrMin = -(1 bsl (Bits-1)),
+ ok = atomics:put(Ref, 1, -IncrMin),
+ ok = atomics:add(Ref, 1, IncrMin),
+ 0 = atomics:get(Ref, 1),
+ {'EXIT',{badarg,_}} = (catch atomics:add(Ref, 1, IncrMin-1)),
+
+ ok.
+
+max_atomic_sz() ->
+ case erlang:system_info({wordsize, external}) of
+ 4 -> 16;
+ 8 ->
+ EI = erlang:system_info(ethread_info),
+ case lists:keyfind("64-bit native atomics", 1, EI) of
+ {_, "no", _} -> 16;
+ _ -> 8
+ end
+ end.
diff --git a/erts/emulator/test/counters_SUITE.erl b/erts/emulator/test/counters_SUITE.erl
new file mode 100644
index 0000000000..7de164096b
--- /dev/null
+++ b/erts/emulator/test/counters_SUITE.erl
@@ -0,0 +1,112 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2018. All Rights Reserved.
+%%
+%% 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%
+%%
+-module(counters_SUITE).
+
+-include_lib("common_test/include/ct.hrl").
+
+-compile(export_all).
+
+suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() ->
+ [basic, bad, limits].
+
+basic(Config) when is_list(Config) ->
+ Size = 10,
+ [begin
+ Ref = counters:new(Size,[Type]),
+ #{size:=Size, memory:=Memory} = counters:info(Ref),
+ check_memory(Type, Memory, Size),
+ [basic_do(Ref, Ix) || Ix <- lists:seq(1, Size)]
+ end
+ || Type <- [atomics, write_concurrency]],
+ ok.
+
+basic_do(Ref, Ix) ->
+ 0 = counters:get(Ref, Ix),
+ ok = counters:add(Ref, Ix, 3),
+ 3 = counters:get(Ref, Ix),
+ ok = counters:add(Ref, Ix, 14),
+ 17 = counters:get(Ref, Ix),
+ ok = counters:add(Ref, Ix, -20),
+ -3 = counters:get(Ref, Ix),
+ ok = counters:add(Ref, Ix, 100),
+ 97 = counters:get(Ref, Ix),
+ ok = counters:sub(Ref, Ix, 20),
+ 77 = counters:get(Ref, Ix),
+ ok = counters:sub(Ref, Ix, -10),
+ 87 = counters:get(Ref, Ix),
+ ok.
+
+check_memory(atomics, Memory, Size) ->
+ {_,true} = {Memory, Memory > Size*8},
+ {_,true} = {Memory, Memory < Size*max_atomic_sz() + 100};
+check_memory(write_concurrency, Memory, Size) ->
+ NScheds = erlang:system_info(schedulers),
+ {_,true} = {Memory, Memory > NScheds*Size*8},
+ {_,true} = {Memory, Memory < NScheds*(Size+7)*max_atomic_sz() + 100}.
+
+max_atomic_sz() ->
+ case erlang:system_info({wordsize, external}) of
+ 4 -> 16;
+ 8 ->
+ EI = erlang:system_info(ethread_info),
+ case lists:keyfind("64-bit native atomics", 1, EI) of
+ {_, "no", _} -> 16;
+ _ -> 8
+ end
+ end.
+
+bad(Config) when is_list(Config) ->
+ {'EXIT',{badarg,_}} = (catch counters:new(0,[])),
+ {'EXIT',{badarg,_}} = (catch counters:new(10,[bad])),
+ {'EXIT',{badarg,_}} = (catch counters:new(10,[atomic, bad])),
+ {'EXIT',{badarg,_}} = (catch counters:new(10,[write_concurrency | bad])),
+ Ref = counters:new(10,[]),
+ {'EXIT',{badarg,_}} = (catch counters:get(1742, 7)),
+ {'EXIT',{badarg,_}} = (catch counters:get(make_ref(), 7)),
+ {'EXIT',{badarg,_}} = (catch counters:get(Ref, -1)),
+ {'EXIT',{badarg,_}} = (catch counters:get(Ref, 0)),
+ {'EXIT',{badarg,_}} = (catch counters:get(Ref, 11)),
+ {'EXIT',{badarg,_}} = (catch counters:get(Ref, 7.0)),
+ ok.
+
+
+limits(Config) when is_list(Config) ->
+ Bits = 64,
+ Max = (1 bsl (Bits-1)) - 1,
+ Min = -(1 bsl (Bits-1)),
+
+ Ref = counters:new(1,[]),
+ 0 = counters:get(Ref, 1),
+ ok = counters:add(Ref, 1, Max),
+ ok = counters:add(Ref, 1, 1),
+ Min = counters:get(Ref, 1),
+ ok = counters:sub(Ref, 1, 1),
+ Max = counters:get(Ref, 1),
+
+ IncrMax = (Max bsl 1) bor 1,
+ ok = counters:sub(Ref, 1, counters:get(Ref, 1)),
+ ok = counters:add(Ref, 1, IncrMax),
+ -1 = counters:get(Ref, 1),
+ {'EXIT',{badarg,_}} = (catch counters:add(Ref, 1, IncrMax+1)),
+ {'EXIT',{badarg,_}} = (catch counters:add(Ref, 1, Min-1)),
+
+ ok.
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