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describe :kernel_then, shared: true do
it "yields self" do
object = Object.new
object.send(@method) { |o| o.should equal object }
end
it "returns the block return value" do
object = Object.new
object.send(@method) { 42 }.should equal 42
end
it "returns a sized Enumerator when no block given" do
object = Object.new
enum = object.send(@method)
enum.should be_an_instance_of Enumerator
enum.size.should equal 1
enum.peek.should equal object
enum.first.should equal object
end
end
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