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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
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
ruby_version_is "" ... "1.9" do
it "returns the number observers including duplicates" do
2.times { @observable.add_observer(@observer) }
@observable.count_observers.should == 2
end
end
ruby_version_is "1.9" do
it "returns the number of unique observers" do
2.times { @observable.add_observer(@observer) }
@observable.count_observers.should == 1
end
end
end
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