26 lines
611 B
Ruby
26 lines
611 B
Ruby
|
require 'spec_helper'
|
||
|
|
|
||
|
|
describe 'implicitly convertable null object' do
|
||
|
|
subject(:null) { null_class.new }
|
||
|
|
let(:null_class) do
|
||
|
|
Naught.build do |b|
|
||
|
|
b.define_implicit_conversions
|
||
|
|
end
|
||
|
|
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 string' do
|
||
|
|
expect(null.to_str).to eq('')
|
||
|
|
end
|
||
|
|
|
||
|
|
end
|