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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#zip" do
it "combines each element of the receiver with the element of the same index in arrays given as arguments" do
EnumerableSpecs::Numerous.new(1,2,3).zip([4,5,6],[7,8,9]).should == [[1,4,7],[2,5,8],[3,6,9]]
EnumerableSpecs::Numerous.new(1,2,3).zip.should == [[1],[2],[3]]
end
it "passes each element of the result array to a block and return nil if a block is given" do
expected = [[1,4,7],[2,5,8],[3,6,9]]
EnumerableSpecs::Numerous.new(1,2,3).zip([4,5,6],[7,8,9]) do |result_component|
result_component.should == expected.shift
end.should == nil
expected.size.should == 0
end
it "fills resulting array with nils if an argument array is too short" do
EnumerableSpecs::Numerous.new(1,2,3).zip([4,5,6], [7,8]).should == [[1,4,7],[2,5,8],[3,6,nil]]
end
ruby_version_is ''...'1.9' do
it "converts arguments to arrays using #to_a" do
convertable = EnumerableSpecs::ArrayConvertable.new(4,5,6)
EnumerableSpecs::Numerous.new(1,2,3).zip(convertable).should == [[1,4],[2,5],[3,6]]
convertable.called.should == :to_a
end
end
ruby_version_is '1.9' do
it "converts arguments to arrays using #to_ary" do
convertable = EnumerableSpecs::ArrayConvertable.new(4,5,6)
EnumerableSpecs::Numerous.new(1,2,3).zip(convertable).should == [[1,4],[2,5],[3,6]]
convertable.called.should == :to_ary
end
end
end
Version data entries
83 entries across 83 versions & 1 rubygems