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-rw-r--r--spec/ruby/core/rational/denominator_spec.rb14
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diff --git a/spec/ruby/core/rational/denominator_spec.rb b/spec/ruby/core/rational/denominator_spec.rb
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+++ b/spec/ruby/core/rational/denominator_spec.rb
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+require_relative "../../spec_helper"
+
+describe "Rational#denominator" do
+ it "returns the denominator" do
+ Rational(3, 4).denominator.should.equal?(4)
+ Rational(3, -4).denominator.should.equal?(4)
+
+ Rational(1, bignum_value).denominator.should == bignum_value
+ end
+
+ it "returns 1 if no denominator was given" do
+ Rational(80).denominator.should == 1
+ end
+end