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require 'set'
module Concurrent
RSpec.describe Set do
let!(:set) { described_class.new }
describe '.[]' do
describe 'when initializing with no arguments' do
it do
expect(described_class[]).to be_empty
end
end
describe 'when initializing with arguments' do
it 'creates a set with the given objects' do
expect(described_class[:hello, :world]).to eq ::Set.new([:hello, :world])
end
end
end
describe '.new' do
describe 'when initializing with no arguments' do
it do
expect(described_class.new).to be_empty
end
end
describe 'when initializing with an enumerable object' do
let(:enumerable_object) { [:hello, :world] }
it 'creates a set with the contents of the enumerable object' do
expect(described_class.new(enumerable_object)).to eq ::Set.new([:hello, :world])
end
describe 'when initializing with a block argument' do
let(:block_argument) { proc { |value| :"#{value}_ruby" } }
it 'creates a set with the contents of the enumerable object' do
expect(described_class.new(enumerable_object, &block_argument)).to eq ::Set.new([:hello_ruby, :world_ruby])
end
end
end
end
context 'concurrency' do
it do
(1..Concurrent::ThreadSafe::Test::THREADS).map do |i|
in_thread do
1000.times do
v = i
set << v
expect(set).not_to be_empty
set.delete(v)
end
end
end.map(&:join)
expect(set).to be_empty
end
end
end
end
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