diff options
Diffstat (limited to 'erts/emulator/test')
| -rw-r--r-- | erts/emulator/test/system_info_SUITE.erl | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/erts/emulator/test/system_info_SUITE.erl b/erts/emulator/test/system_info_SUITE.erl index e782d2f293..ba433d4e11 100644 --- a/erts/emulator/test/system_info_SUITE.erl +++ b/erts/emulator/test/system_info_SUITE.erl @@ -35,12 +35,12 @@ %-compile(export_all). -export([all/1, init_per_testcase/2, fin_per_testcase/2]). --export([process_count/1, system_version/1, misc_smoke_tests/1, heap_size/1]). +-export([process_count/1, system_version/1, misc_smoke_tests/1, heap_size/1, wordsize/1]). -define(DEFAULT_TIMEOUT, ?t:minutes(2)). all(doc) -> []; -all(suite) -> [process_count, system_version, misc_smoke_tests, heap_size]. +all(suite) -> [process_count, system_version, misc_smoke_tests, heap_size, wordsize]. init_per_testcase(_Case, Config) when is_list(Config) -> Dog = ?t:timetrap(?DEFAULT_TIMEOUT), @@ -145,3 +145,23 @@ heap_size(Config) when is_list(Config) -> ?line Hmin = proplists:get_value(min_heap_size, GCinf), ok. +wordsize(suite) -> + []; +wordsize(doc) -> + ["Tests the various wordsize variants"]; +wordsize(Config) when is_list(Config) -> + ?line A = erlang:system_info(wordsize), + ?line true = is_integer(A), + ?line A = erlang:system_info({wordsize,internal}), + ?line B = erlang:system_info({wordsize,external}), + ?line true = A =< B, + case {B,A} of + {4,4} -> + {comment, "True 32-bit emulator"}; + {8,8} -> + {comment, "True 64-bit emulator"}; + {8,4} -> + {comment, "Halfword 64-bit emulator"}; + Other -> + exit({unexpected_wordsizes,Other}) + end. |