1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
|
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
ruby_version_is "1.8.7" do
describe "Enumerable#reverse_each" do
it "traverses enum in reverse order and pass each element to block" do
a=[]
EnumerableSpecs::Numerous.new.reverse_each { |i| a << i }
a.should == [4, 1, 6, 3, 5, 2]
end
it "returns an Enumerator if no block given" do
enum = EnumerableSpecs::Numerous.new.reverse_each
enum.should be_an_instance_of(enumerator_class)
enum.to_a.should == [4, 1, 6, 3, 5, 2]
end
it "gathers whole arrays as elements when each yields multiple" do
multi = EnumerableSpecs::YieldsMulti.new
yielded = []
multi.reverse_each {|e| yielded << e }
yielded.should == [[6, 7, 8, 9], [3, 4, 5], [1, 2]]
end
end
end
|