diff options
Diffstat (limited to 'spec/rubyspec/library/observer/count_observers_spec.rb')
| -rw-r--r-- | spec/rubyspec/library/observer/count_observers_spec.rb | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/spec/rubyspec/library/observer/count_observers_spec.rb b/spec/rubyspec/library/observer/count_observers_spec.rb new file mode 100644 index 0000000000..68eaccfaaa --- /dev/null +++ b/spec/rubyspec/library/observer/count_observers_spec.rb @@ -0,0 +1,23 @@ +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 + + it "returns the number of unique observers" do + 2.times { @observable.add_observer(@observer) } + @observable.count_observers.should == 1 + end +end |