diff options
Diffstat (limited to 'lib/observer/test/crashdump_helper.erl')
-rw-r--r-- | lib/observer/test/crashdump_helper.erl | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/lib/observer/test/crashdump_helper.erl b/lib/observer/test/crashdump_helper.erl index b5e94a893a..d8f4e046ae 100644 --- a/lib/observer/test/crashdump_helper.erl +++ b/lib/observer/test/crashdump_helper.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2017. All Rights Reserved. +%% Copyright Ericsson AB 2007-2018. 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. @@ -142,4 +142,23 @@ create_maps() -> Map3 = lists:foldl(fun(I, A) -> A#{I=>I*I} end, Map2, lists:seq(-10, 0)), - #{a=>Map0,b=>Map1,c=>Map2,d=>Map3,e=>#{}}. + #{a=>Map0,b=>Map1,c=>Map2,d=>Map3,e=>#{},literal=>literal_map()}. + +literal_map() -> + %% A literal map such as the one below will produce a heap dump + %% like this: + %% + %% Address1:t4:H<Address3>,H<Address4>,H<Address5>,H<Address6> + %% Address2:Mf4:H<Adress1>:I1,I2,I3,I4 + %% Address3: ... % "one" + %% Address4: ... % "two" + %% Address5: ... % "three" + %% Address6: ... % "four" + %% + %% The map cannot be reconstructed in a single sequential pass. + %% + %% To reconstruct the map, first the string keys "one" + %% through "four" must be reconstructed, then the tuple at + %% Adress1, then the map at Address2. + + #{"one"=>1,"two"=>2,"three"=>3,"four"=>4}. |