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require 'spec_helper'
describe Immutable::Set do
describe '#compact' do
[
[[], []],
[['A'], ['A']],
[%w[A B C], %w[A B C]],
[[nil], []],
[[nil, 'B'], ['B']],
[['A', nil], ['A']],
[[nil, nil], []],
[['A', nil, 'C'], %w[A C]],
[[nil, 'B', nil], ['B']],
].each do |values, expected|
describe "on #{values.inspect}" do
let(:set) { S[*values] }
it 'preserves the original' do
set.compact
set.should eql(S[*values])
end
it "returns #{expected.inspect}" do
set.compact.should eql(S[*expected])
end
end
end
end
end
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