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Diffstat (limited to 'spec/rubyspec/shared/rational/round.rb')
-rw-r--r-- | spec/rubyspec/shared/rational/round.rb | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/spec/rubyspec/shared/rational/round.rb b/spec/rubyspec/shared/rational/round.rb deleted file mode 100644 index 8874daceea..0000000000 --- a/spec/rubyspec/shared/rational/round.rb +++ /dev/null @@ -1,71 +0,0 @@ -require File.expand_path('../../../spec_helper', __FILE__) - -describe :rational_round, shared: true do - before do - @rational = Rational(2200, 7) - end - - describe "with no arguments (precision = 0)" do - it "returns an integer" do - @rational.round.should be_kind_of(Integer) - Rational(0, 1).round(0).should be_kind_of(Integer) - Rational(124, 1).round(0).should be_kind_of(Integer) - end - - it "returns the truncated value toward the nearest integer" do - @rational.round.should == 314 - Rational(0, 1).round(0).should == 0 - Rational(2, 1).round(0).should == 2 - end - - it "returns the rounded value toward the nearest integer" do - Rational(1, 2).round.should == 1 - Rational(-1, 2).round.should == -1 - Rational(3, 2).round.should == 2 - Rational(-3, 2).round.should == -2 - Rational(5, 2).round.should == 3 - Rational(-5, 2).round.should == -3 - end - end - - describe "with a precision < 0" do - it "returns an integer" do - @rational.round(-2).should be_kind_of(Integer) - @rational.round(-1).should be_kind_of(Integer) - Rational(0, 1).round(-1).should be_kind_of(Integer) - Rational(2, 1).round(-1).should be_kind_of(Integer) - end - - it "moves the truncation point n decimal places left" do - @rational.round(-3).should == 0 - @rational.round(-2).should == 300 - @rational.round(-1).should == 310 - end - end - - describe "with a precision > 0" do - it "returns a Rational" do - @rational.round(1).should be_kind_of(Rational) - @rational.round(2).should be_kind_of(Rational) - Rational(0, 1).round(1).should be_kind_of(Rational) - Rational(2, 1).round(1).should be_kind_of(Rational) - end - - it "moves the truncation point n decimal places right" do - @rational.round(1).should == Rational(3143, 10) - @rational.round(2).should == Rational(31429, 100) - @rational.round(3).should == Rational(157143, 500) - Rational(0, 1).round(1).should == Rational(0, 1) - Rational(2, 1).round(1).should == Rational(2, 1) - end - - it "doesn't alter the value if the precision is too great" do - Rational(3, 2).round(10).should == Rational(3, 2).round(20) - end - - # #6605 - it "doesn't fail when rounding to an absurdly large positive precision" do - Rational(3, 2).round(2_097_171).should == Rational(3, 2) - end - end -end |