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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Observer#add_observer" do
before :each do
@observable = ObservableSpecs.new
@observer = ObserverCallbackSpecs.new
end
it "adds the observer" do
@observer.value.should == nil
@observable.changed
@observable.notify_observers("test")
@observer.value.should == nil
@observable.add_observer(@observer)
@observable.changed
@observable.notify_observers("test2")
@observer.value.should == "test2"
end
end
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