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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
require File.expand_path('../shared/accessor', __FILE__)
require File.expand_path('../../enumerable/shared/enumeratorized', __FILE__)
describe "Struct#select" do
it "raises an ArgumentError if given any non-block arguments" do
lambda { StructClasses::Car.new.select(1) { } }.should raise_error(ArgumentError)
end
it "returns a new array of elements for which block is true" do
struct = StructClasses::Car.new("Toyota", "Tercel", "2000")
struct.select { |i| i == "2000" }.should == [ "2000" ]
end
it "returns an instance of Array" do
struct = StructClasses::Car.new("Ford", "Escort", "1995")
struct.select { true }.should be_an_instance_of(Array)
end
describe "without block" do
it "returns an instance of Enumerator" do
struct = Struct.new(:foo).new
struct.select.should be_an_instance_of(Enumerator)
end
end
it_behaves_like :struct_accessor, :select
it_behaves_like :enumeratorized_with_origin_size, :select, Struct.new(:foo).new
end
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