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require_relative '../../spec_helper'
# There is no Range#frozen? method but this feels like the best place for these specs
describe "Range#frozen?" do
it "is true for literal ranges" do
(1..2).should.frozen?
(1..).should.frozen?
(..1).should.frozen?
end
it "is true for Range.new" do
Range.new(1, 2).should.frozen?
Range.new(1, nil).should.frozen?
Range.new(nil, 1).should.frozen?
end
it "is false for instances of a subclass of Range" do
sub_range = Class.new(Range).new(1, 2)
sub_range.should_not.frozen?
end
it "is false for Range.allocate" do
Range.allocate.should_not.frozen?
end
end
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