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require 'spec_helper'
describe 'implicitly convertable null object' do
subject(:null) { null_class.new }
let(:null_class) do
Naught.build(&:define_implicit_conversions)
end
it 'implicitly splats the same way an empty array does' do
a, b = null
expect(a).to be_nil
expect(b).to be_nil
end
it 'is implicitly convertable to String' do
expect(instance_eval(null)).to be_nil
end
it 'implicitly converts to an empty array' do
expect(null.to_ary).to eq([])
end
it 'implicitly converts to an empty hash' do
expect(null.to_hash).to eq({})
end
it 'implicitly converts to zero' do
expect(null.to_int).to eq(0)
end
it 'implicitly converts to an empty string' do
expect(null.to_str).to eq('')
end
end
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