diff options
Diffstat (limited to 'spec/ruby/core/rational/to_f_spec.rb')
| -rw-r--r-- | spec/ruby/core/rational/to_f_spec.rb | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/spec/ruby/core/rational/to_f_spec.rb b/spec/ruby/core/rational/to_f_spec.rb index 92ff2444b4..40e3f11c0c 100644 --- a/spec/ruby/core/rational/to_f_spec.rb +++ b/spec/ruby/core/rational/to_f_spec.rb @@ -1,5 +1,16 @@ -require File.expand_path('../../../shared/rational/to_f', __FILE__) +require_relative "../../spec_helper" describe "Rational#to_f" do - it_behaves_like(:rational_to_f, :to_f) + it "returns self converted to a Float" do + Rational(3, 4).to_f.should.eql?(0.75) + Rational(3, -4).to_f.should.eql?(-0.75) + Rational(-1, 4).to_f.should.eql?(-0.25) + Rational(-1, -4).to_f.should.eql?(0.25) + end + + it "converts to a Float for large numerator and denominator" do + num = 1000000000000000000000000000000000048148248609680896326399448564623182963452541226153892315137780403285956264146010000000000000000000000000000000000048148248609680896326399448564623182963452541226153892315137780403285956264146010000000000000000000000000000000000048148248609680896326399448564623182963452541226153892315137780403285956264146009 + den = 2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 + Rational(num, den).to_f.should == 500.0 + end end |