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Diffstat (limited to 'spec/rubyspec/shared/rational/divmod.rb')
-rw-r--r-- | spec/rubyspec/shared/rational/divmod.rb | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/spec/rubyspec/shared/rational/divmod.rb b/spec/rubyspec/shared/rational/divmod.rb new file mode 100644 index 0000000000..607ae9d693 --- /dev/null +++ b/spec/rubyspec/shared/rational/divmod.rb @@ -0,0 +1,42 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe :rational_divmod_rat, shared: true do + it "returns the quotient as Integer and the remainder as Rational" do + Rational(7, 4).divmod(Rational(1, 2)).should eql([3, Rational(1, 4)]) + Rational(7, 4).divmod(Rational(-1, 2)).should eql([-4, Rational(-1, 4)]) + Rational(0, 4).divmod(Rational(4, 3)).should eql([0, Rational(0, 1)]) + + Rational(bignum_value, 4).divmod(Rational(4, 3)).should eql([1729382256910270464, Rational(0, 1)]) + end + + it "raises a ZeroDivisonError when passed a Rational with a numerator of 0" do + lambda { Rational(7, 4).divmod(Rational(0, 3)) }.should raise_error(ZeroDivisionError) + end +end + +describe :rational_divmod_int, shared: true do + it "returns the quotient as Integer and the remainder as Rational" do + Rational(7, 4).divmod(2).should eql([0, Rational(7, 4)]) + Rational(7, 4).divmod(-2).should eql([-1, Rational(-1, 4)]) + + Rational(bignum_value, 4).divmod(3).should == [768614336404564650, Rational(2, 1)] + end + + it "raises a ZeroDivisionError when passed 0" do + lambda { Rational(7, 4).divmod(0) }.should raise_error(ZeroDivisionError) + end +end + +describe :rational_divmod_float, shared: true do + it "returns the quotient as Integer and the remainder as Float" do + Rational(7, 4).divmod(0.5).should eql([3, 0.25]) + end + + it "returns the quotient as Integer and the remainder as Float" do + Rational(7, 4).divmod(-0.5).should eql([-4, -0.25]) + end + + it "raises a ZeroDivisionError when passed 0" do + lambda { Rational(7, 4).divmod(0.0) }.should raise_error(ZeroDivisionError) + end +end |