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require File.expand_path('../../../../spec_helper', __FILE__)
require 'set'
describe "SortedSet#initialize" do
it "is private" do
SortedSet.should have_private_instance_method("initialize")
end
it "adds all elements of the passed Enumerable to self" do
s = SortedSet.new([1, 2, 3])
s.size.should eql(3)
s.should include(1)
s.should include(2)
s.should include(3)
end
it "preprocesses all elements by a passed block before adding to self" do
s = SortedSet.new([1, 2, 3]) { |x| x * x }
s.size.should eql(3)
s.should include(1)
s.should include(4)
s.should include(9)
end
it "raises on incompatible <=> comparison" do
# Use #to_a here as elements are sorted only when needed.
# Therefore the <=> incompatibility is only noticed on sorting.
lambda { SortedSet.new(['00', nil]).to_a }.should raise_error(ArgumentError)
end
end
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