require 'spec_helper' describe Danica::Operator::Exponential do subject { described_class.new(2) } it_behaves_like 'an object that respond to basic_methods' it_behaves_like 'an object with basic operation' it_behaves_like 'a operator with a single input value', { variable_value: 2, expected_number: Math.exp(2), expected_number_tex: 'e^{2}', expected_number_gnu: 'exp(2)', expected_tex: 'e^{X}', expected_gnu: 'exp(X)' } end