describe :numeric_imag, shared: true do
before :each do
@numbers = [
20, # Integer
398.72, # Float
Rational(3, 4), # Rational
bignum_value, # Bignum
infinity_value,
nan_value
].map{ [n,-n]}.flatten
end
it do
@numbers.each do
number.send(@method).should == 0
end
end
it do
@numbers.each do
lambda { number.send(@method, number) }.should raise_error(ArgumentError)
end
end
end