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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Observer#count_observers" do
before :each do
@observable = ObservableSpecs.new
@observer = ObserverCallbackSpecs.new
@observer2 = ObserverCallbackSpecs.new
end
it "returns the number of observers" do
@observable.count_observers.should == 0
@observable.add_observer(@observer)
@observable.count_observers.should == 1
@observable.add_observer(@observer2)
@observable.count_observers.should == 2
end
it "returns the number of unique observers" do
2.times { @observable.add_observer(@observer) }
@observable.count_observers.should == 1
end
end
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