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require "spec_helper"
require "hamster/sorted_set"
describe Hamster::SortedSet do
describe "#delete_at" do
let(:sorted_set) { SS[1,2,3,4,5] }
it "removes the element at the specified index" do
sorted_set.delete_at(0).should eql(SS[2,3,4,5])
sorted_set.delete_at(2).should eql(SS[1,2,4,5])
sorted_set.delete_at(-1).should eql(SS[1,2,3,4])
end
it "makes no modification if the index is out of range" do
sorted_set.delete_at(5).should eql(sorted_set)
sorted_set.delete_at(-6).should eql(sorted_set)
end
end
end
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