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describe :enumerable_collect_concat, :shared => true do
it "returns a new array with the results of passing each element to block, flattened one level" do
numerous = EnumerableSpecs::Numerous.new(1, [2, 3], [4, [5, 6]], {:foo => :bar})
numerous.send(@method){ |i| i }.should == [1, 2, 3, 4, [5, 6], {:foo => :bar}]
end
it "skips elements that are empty Arrays" do
numerous = EnumerableSpecs::Numerous.new(1, [], 2)
numerous.send(@method){ |i| i }.should == [1, 2]
end
it "calls to_ary but not to_a" do
obj = mock('array-like')
obj.should_receive(:to_ary).and_return([:foo])
obj2 = mock('has a to_a')
obj2.should_not_receive(:to_a)
numerous = EnumerableSpecs::Numerous.new(obj, obj2)
numerous.send(@method){ |i| i }.should == [:foo, obj2]
end
it "returns an enumerator when no block given" do
enum = EnumerableSpecs::Numerous.new(1, 2).send(@method)
enum.should be_an_instance_of(enumerator_class)
enum.each{ |i| [i] * i }.should == [1, 2, 2]
end
end
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