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require_relative '../../../spec_helper'
ruby_version_is ""..."3.0" do
require 'set'
describe "SortedSet#classify" do
before :each do
@set = SortedSet["one", "two", "three", "four"]
end
it "yields each Object in self in sorted order" do
res = []
@set.classify { |x| res << x }
res.should == ["one", "two", "three", "four"].sort
end
it "returns an Enumerator when passed no block" do
enum = @set.classify
enum.should be_an_instance_of(Enumerator)
classified = enum.each { |x| x.length }
classified.should == { 3 => SortedSet["one", "two"], 4 => SortedSet["four"], 5 => SortedSet["three"] }
end
it "classifies the Objects in self based on the block's return value" do
classified = @set.classify { |x| x.length }
classified.should == { 3 => SortedSet["one", "two"], 4 => SortedSet["four"], 5 => SortedSet["three"] }
end
end
end
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