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require File.expand_path('../../../spec_helper', __FILE__)
describe "Numeric#denominator" do
# The Numeric child classes override this method, so their behaviour is
# specified in the appropriate place
before :each do
@numbers = [
20, # Integer
99999999**99, # Bignum
]
end
it "returns 1" do
@numbers.each {|number| number.denominator.should == 1}
end
it "works with Numeric subclasses" do
rational = mock_numeric('rational')
rational.should_receive(:denominator).and_return(:denominator)
numeric = mock_numeric('numeric')
numeric.should_receive(:to_r).and_return(rational)
numeric.denominator.should == :denominator
end
end
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