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rocksdb

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RocksDB for Erlang

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rocksdb test cache.erl
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test/cache.erl 

-module(cache).





-include_lib("eunit/include/eunit.hrl").



cache_info_test() ->

  {ok, CHandle} = rocksdb:new_cache(lru, 101400),

  ok = rocksdb:set_strict_capacity_limit(CHandle, true),

  [{capacity,101400},

   {strict_capacity,true},

   {usage,0},

   {pinned_usage,0}] = rocksdb:cache_info(CHandle),

  ok = rocksdb:release_cache(CHandle).



%% Test clock cache (uses HyperClockCache internally in RocksDB 10.x)

clock_cache_test() ->

  {ok, CHandle} = rocksdb:new_cache(clock, 4 * 1024 * 1024),

  ?assert(is_reference(CHandle)),

  ?assertEqual(4 * 1024 * 1024, rocksdb:cache_info(CHandle, capacity)),

  ok = rocksdb:release_cache(CHandle).