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require 'spec_helper'
require 'extlib/simple_set'
describe Extlib::SimpleSet do
before do
@s = Extlib::SimpleSet.new("Initial")
end
describe "#initialize" do
it 'adds passed value to the set' do
@new_generation_vms = Extlib::SimpleSet.new(["Rubinius", "PyPy", "Parrot"])
@new_generation_vms.should have_key("Rubinius")
@new_generation_vms.should have_key("PyPy")
@new_generation_vms.should have_key("Parrot")
end
end
describe "#<<" do
it "adds value to the set" do
@s << "Hello"
@s.to_a.should be_include("Hello")
end
it 'sets true mark on the key' do
@s << "Fun"
@s["Fun"].should be(true)
end
end
describe "#merge(other)" do
it "preserves old values when values do not overlap" do
@s.should have_key("Initial")
end
it 'adds new values from merged set' do
@t = @s.merge(["Merged value"])
@t.should have_key("Merged value")
end
it 'returns a SimpleSet instance' do
@s.merge(["Merged value"]).should be_kind_of(Extlib::SimpleSet)
end
end
describe "#inspect" do
it "lists set values" do
@s.inspect.should == "#<SimpleSet: {\"Initial\"}>"
end
end
describe "#keys" do
it 'is aliased as to_a' do
@s.to_a.should === @s.keys
end
end
end
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