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authorLukas Larsson <[email protected]>2016-12-20 14:44:18 +0100
committerLukas Larsson <[email protected]>2016-12-20 14:44:18 +0100
commit9ffc782bd41a89b8f3f73bd698253812d30a8293 (patch)
tree0c64e1ed706888ac4b1b8b46b8d86ce34bf87777 /erts/emulator/test
parenta4350201d204d61ee67b7330200c8d7d6d4b38d5 (diff)
parentca7e946af9c2fdc86c1c74259ee7b6881c5aec1e (diff)
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Merge branch 'mikpe/erts/system_info-atom_table/PR-1286/OTP-13976'
* mikpe/erts/system_info-atom_table/PR-1286/OTP-13976: erts: add erlang:system_info(atom_count)
Diffstat (limited to 'erts/emulator/test')
-rw-r--r--erts/emulator/test/system_info_SUITE.erl15
1 files changed, 13 insertions, 2 deletions
diff --git a/erts/emulator/test/system_info_SUITE.erl b/erts/emulator/test/system_info_SUITE.erl
index 3d9e74472b..6a772bf7c9 100644
--- a/erts/emulator/test/system_info_SUITE.erl
+++ b/erts/emulator/test/system_info_SUITE.erl
@@ -36,7 +36,8 @@
-export([all/0, suite/0]).
-export([process_count/1, system_version/1, misc_smoke_tests/1,
- heap_size/1, wordsize/1, memory/1, ets_limit/1, atom_limit/1]).
+ heap_size/1, wordsize/1, memory/1, ets_limit/1, atom_limit/1,
+ atom_count/1]).
suite() ->
[{ct_hooks,[ts_install_cth]},
@@ -44,7 +45,7 @@ suite() ->
all() ->
[process_count, system_version, misc_smoke_tests,
- heap_size, wordsize, memory, ets_limit, atom_limit].
+ heap_size, wordsize, memory, ets_limit, atom_limit, atom_count].
%%%
%%% The test cases -------------------------------------------------------------
@@ -550,3 +551,13 @@ get_atom_limit(Config, AtomsMax) ->
end,
stop_node(Node),
Res.
+
+%% Verify that system_info(atom_count) works.
+atom_count(Config) when is_list(Config) ->
+ Limit = erlang:system_info(atom_limit),
+ Count1 = erlang:system_info(atom_count),
+ list_to_atom(integer_to_list(erlang:unique_integer())),
+ Count2 = erlang:system_info(atom_count),
+ true = Limit >= Count2,
+ true = Count2 > Count1,
+ ok.