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require File.expand_path('../../../../spec_helper', __FILE__)
require 'set'
describe "Emumerable#to_set" do
it "returns a new Set created from self" do
[1, 2, 3].to_set.should == Set[1, 2, 3]
{:a => 1, :b => 2}.to_set.should == Set[[:b, 2], [:a, 1]]
end
it "allows passing an alternate class for Set" do
sorted_set = [1, 2, 3].to_set(SortedSet)
sorted_set.should == SortedSet[1, 2, 3]
sorted_set.instance_of?(SortedSet).should == true
end
it "passes down passed blocks" do
[1, 2, 3].to_set { |x| x * x }.should == Set[1, 4, 9]
end
end
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