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-rw-r--r--spec/ruby/shared/complex/denominator.rb13
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diff --git a/spec/ruby/shared/complex/denominator.rb b/spec/ruby/shared/complex/denominator.rb
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+++ b/spec/ruby/shared/complex/denominator.rb
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+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe :complex_denominator, shared: true do
+ it "returns the least common multiple denominator of the real and imaginary parts" do
+ Complex(3, 4).denominator.should == 1
+ Complex(3, bignum_value).denominator.should == 1
+
+ Complex(3, Rational(3,4)).denominator.should == 4
+
+ Complex(Rational(4,8), Rational(3,4)).denominator.should == 4
+ Complex(Rational(3,8), Rational(3,4)).denominator.should == 8
+ end
+end