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-rw-r--r--spec/ruby/core/rational/to_s_spec.rb14
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diff --git a/spec/ruby/core/rational/to_s_spec.rb b/spec/ruby/core/rational/to_s_spec.rb
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+++ b/spec/ruby/core/rational/to_s_spec.rb
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+require_relative "../../spec_helper"
+
+describe "Rational#to_s" do
+ it "returns a string representation of self" do
+ # Guard against the Mathn library
+ guard -> { !defined?(Math.rsqrt) } do
+ Rational(1, 1).to_s.should == "1/1"
+ Rational(2, 1).to_s.should == "2/1"
+ end
+ Rational(1, 2).to_s.should == "1/2"
+ Rational(-1, 3).to_s.should == "-1/3"
+ Rational(1, -3).to_s.should == "-1/3"
+ end
+end