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require_relative '../../spec_helper'
describe "Range#initialize" do
before do
@range = Range.allocate
end
it "is private" do
Range.should have_private_instance_method("initialize")
end
it "initializes correctly the Range object when given 2 arguments" do
-> { @range.send(:initialize, 0, 1) }.should_not raise_error
end
it "initializes correctly the Range object when given 3 arguments" do
-> { @range.send(:initialize, 0, 1, true) }.should_not raise_error
end
it "raises an ArgumentError if passed without or with only one argument" do
-> { @range.send(:initialize) }.should raise_error(ArgumentError)
-> { @range.send(:initialize, 1) }.should raise_error(ArgumentError)
end
it "raises an ArgumentError if passed with four or more arguments" do
-> { @range.send(:initialize, 1, 3, 5, 7) }.should raise_error(ArgumentError)
-> { @range.send(:initialize, 1, 3, 5, 7, 9) }.should raise_error(ArgumentError)
end
it "raises a FrozenError if called on an already initialized Range" do
-> { (0..1).send(:initialize, 1, 3) }.should raise_error(FrozenError)
-> { (0..1).send(:initialize, 1, 3, true) }.should raise_error(FrozenError)
end
it "raises an ArgumentError if arguments don't respond to <=>" do
o1 = Object.new
o2 = Object.new
-> { @range.send(:initialize, o1, o2) }.should raise_error(ArgumentError)
end
end
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