test_rational.rb.patch - Ruby master - Ruby Issue Tracking System

Feature #12484 » test_rational.rb.patch

mrkn (Kenta Murata), 06/13/2016 03:36 PM

     # frozen_string_literal: false
     require 'test/unit'
     require '-test-/integer'
     class RationalSub < Rational; end
     class Rational_Test < Test::Unit::TestCase
       def test_new
         assert_raise(TypeError) { Rational(Object.new) }
         assert_raise(TypeError) { Rational(1, Object.new) }
         class << (o = Object.new)
           alias to_int object_id
         end
         assert_raise(TypeError) { Rational(o) }
         assert_raise(TypeError) { Rational(1, o) }
         class << (o = Object.new)
           def to_r
 /2r
           end
         end
         assert_equal(1/2r, Rational(o))
         assert_raise(TypeError) { Rational(1, o) }
         Rational(Bug::Integer::MyInteger.new)
       end
       def test_ratsub
         c = RationalSub.__send__(:convert, 1)

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