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require File.expand_path('../../../../spec_helper', __FILE__)
require 'set'
require File.expand_path('../shared/add', __FILE__)
describe "SortedSet#add" do
it_behaves_like :sorted_set_add, :add
ruby_bug "redmine #118", "1.9.1" do
it "takes only values which responds <=>" do
obj = mock('no_comparison_operator')
obj.should_receive(:respond_to?).with(:<=>).and_return(false)
lambda { SortedSet["hello"].add(obj) }.should raise_error(ArgumentError)
end
end
end
describe "SortedSet#add?" do
before :each do
@set = SortedSet.new
end
it "adds the passed Object to self" do
@set.add?("cat")
@set.should include("cat")
end
it "returns self when the Object has not yet been added to self" do
@set.add?("cat").should equal(@set)
end
it "returns nil when the Object has already been added to self" do
@set.add?("cat")
@set.add?("cat").should be_nil
end
end
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