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require 'google/protobuf'
require 'test/unit'
class PlatformTest < Test::Unit::TestCase
def test_correct_implementation_for_platform
omit('OBJECT_CACHE not defined') unless defined? Google::Protobuf::Internal::OBJECT_CACHE
if Google::Protobuf::Internal::SIZEOF_LONG >= Google::Protobuf::Internal::SIZEOF_VALUE and not defined? JRUBY_VERSION
assert_instance_of Google::Protobuf::Internal::ObjectCache, Google::Protobuf::Internal::OBJECT_CACHE
else
assert_instance_of Google::Protobuf::Internal::LegacyObjectCache, Google::Protobuf::Internal::OBJECT_CACHE
end
end
end
module ObjectCacheTestModule
def test_try_add_returns_existing_value
cache = self.create
keys = %w[k1 k2]
vals = %w[v1 v2]
2.times do |i|
assert_same vals[i], cache.try_add(keys[i], vals[i])
assert_same vals[i], cache.get(keys[i])
assert_same vals[i], cache.try_add(keys[i], vals[(i+1)%2])
assert_same vals[i], cache.get(keys[i])
end
end
def test_multithreaded_access
cache = self.create
keys = %w[k0 k1 k2 k3 k4 k5 k6 k7]
threads = []
100.times do |i|
threads[i] = Thread.new {
Thread.current["result"] = cache.try_add(keys[i % keys.size], i.to_s)
}
end
results = {}
threads.each_with_index {|t, i| t.join; results[i] = t["result"] }
assert_equal 100, results.size
assert_equal 8, results.values.uniq.size
end
end
class ObjectCacheTest < Test::Unit::TestCase
def create
omit('OBJECT_CACHE not defined') unless defined? Google::Protobuf::Internal::OBJECT_CACHE
Google::Protobuf::Internal::ObjectCache.new
end
include ObjectCacheTestModule
end
class LegacyObjectCacheTest < Test::Unit::TestCase
def create
omit('OBJECT_CACHE not defined') unless defined? Google::Protobuf::Internal::OBJECT_CACHE
Google::Protobuf::Internal::LegacyObjectCache.new
end
include ObjectCacheTestModule
end
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