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Contents
require 'spec_helper'
describe Cuboid::Support::Cache::LeastCostReplacement do
it_behaves_like 'cache'
it 'prunes itself by removing the least costly entries' do
subject.max_size = 3
subject.store( :k, '1', :high )
subject.store( :k2, '2', :high )
subject.store( :k3, '3', :medium )
subject.store( :k4, '4', :low )
expect(subject.size).to eq(3)
expect(subject[:k4]).to be_truthy
expect(subject[:k3]).to be_nil
expect(subject[:k2]).to be_truthy
expect(subject[:k]).to be_truthy
subject.clear
subject.max_size = 1
subject.store( :k, '1', :medium )
subject.store( :k2, '2', :low )
subject.store( :k3, '3', :low )
subject.store( :k4, '4', :low )
expect(subject.size).to eq(1)
expect(subject[:k4]).to be_truthy
expect(subject[:k3]).to be_nil
expect(subject[:k2]).to be_nil
expect(subject[:k]).to be_nil
end
describe '#store' do
it 'stores an object by key' do
v = 'val'
expect(subject.store( :key, v, :low )).to eq(v)
expect(subject[:key]).to eq(v)
end
it 'assigns cost to object' do
v = 'val'
expect(subject.store( :key, v, :low )).to eq(v)
expect(subject[:key]).to eq(v)
end
end
describe '#[]=' do
it 'stores an object' do
v = 'val'
expect(subject[:key] = v).to eq(v)
expect(subject[:key]).to eq(v)
end
it 'alias of #store' do
v = 'val2'
expect(subject.store( :key2, v )).to eq(v)
expect(subject[:key2]).to eq(v)
end
end
end
Version data entries
34 entries across 34 versions & 1 rubygems