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Versions: 83
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Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/fixtures/classes'
describe "Enumerable#group_by" do
ruby_version_is "1.8.7" do
it "returns a hash with values grouped according to the block" do
EnumerableSpecs::Numerous.new(*%w(foo bar baz)).group_by{ |word| word[0..0].to_sym }.
should == { :f => ["foo"], :b => ["bar", "baz"]}
end
it "returns an empty hash for empty enumerables" do
EnumerableSpecs::Empty.new.group_by { |x| x}.should == {}
end
it "returns an Enumerator if called without a block" do
EnumerableSpecs::Numerous.new.group_by.should be_kind_of(enumerator_class)
end
end
end
Version data entries
83 entries across 83 versions & 1 rubygems