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require File.dirname(__FILE__) + '/../../spec_helper'
require File.dirname(__FILE__) + '/fixtures/classes'
describe "Array#select" do
it "returns a new array of elements for which block is true" do
[1, 3, 4, 5, 6, 9].select { |i| i % ((i + 1) / 2) == 0}.should == [1, 4, 6]
end
it "does not return subclass instance on Array subclasses" do
ArraySpecs::MyArray[1, 2, 3].select { true }.class.should == Array
end
it "properly handles recursive arrays" do
empty = ArraySpecs.empty_recursive_array
empty.select { true }.should == empty
empty.select { false }.should == []
array = ArraySpecs.recursive_array
array.select { true }.should == [1, 'two', 3.0, array, array, array, array, array]
array.select { false }.should == []
end
end
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