tonysun83 commented on a change in pull request #1067: Fix mango native proc
crash
URL: https://github.com/apache/couchdb/pull/1067#discussion_r158113541
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File path: src/mango/src/mango_native_proc.erl
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@@ -363,4 +366,35 @@ validate_index_info(IndexInfo) ->
[invalid_index | Results0]
end
end, [], IdxTypes),
- lists:member(valid_index, Results).
\ No newline at end of file
+ lists:member(valid_index, Results).
+
+
+-ifdef(TEST).
+
+-include_lib("eunit/include/eunit.hrl").
+
+handle_garbage_collect_cast_test() ->
+ Pid = self(),
+ {_, TracerRef} = spawn_monitor(fun() ->
+ erlang:trace(Pid, true, [garbage_collection]),
+ receive {trace, Pid, gc_start, _} ->
+ erlang:trace(Pid, false, [garbage_collection]),
+ exit(gc_start)
+ end
+ end),
+ erlang:yield(),
+ ?assertEqual({noreply, []}, handle_cast(garbage_collect, [])),
+ receive
+ {'DOWN', TracerRef, _, _, Msg} -> ?assertEqual(gc_start, Msg)
Review comment:
@eiri : I completely forgot to check that we have
```handle_cast(garbage_collect, St)``` in the source. That's what confused me.
This test was for that functionality. Got it!
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