require File.expand_path('../../../spec_helper', __FILE__)
require 'set'
describe "Set#clear" do
before :each do
@set = Set["one", "two", "three", "four"]
end
it "removes all elements from self" do
@set.clear
@set.should be_empty
end
it "returns self" do
@set.clear.should equal(@set)
end
end