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require File.expand_path('../../../spec_helper', __FILE__)
describe "Range#initialize" do
it "is private" do
Range.should have_private_instance_method("initialize")
end
it "raises an ArgumentError if passed without or with only an argument" do
lambda { (1..3).__send__(:initialize) }.
should raise_error(ArgumentError)
lambda { (1..3).__send__(:initialize, 1) }.
should raise_error(ArgumentError)
end
it "raises a NameError if passed with two or three arguments" do
lambda { (1..3).__send__(:initialize, 1, 3) }.
should raise_error(NameError)
lambda { (1..3).__send__(:initialize, 1, 3, 5) }.
should raise_error(NameError)
end
it "raises an ArgumentError if passed with four or more arguments" do
lambda { (1..3).__send__(:initialize, 1, 3, 5, 7) }.
should raise_error(ArgumentError)
lambda { (1..3).__send__(:initialize, 1, 3, 5, 7, 9) }.
should raise_error(ArgumentError)
end
end
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