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-rw-r--r--spec/ruby/core/rational/divmod_spec.rb37
1 files changed, 33 insertions, 4 deletions
diff --git a/spec/ruby/core/rational/divmod_spec.rb b/spec/ruby/core/rational/divmod_spec.rb
index 6be1f8bd73..68f8ecfd2d 100644
--- a/spec/ruby/core/rational/divmod_spec.rb
+++ b/spec/ruby/core/rational/divmod_spec.rb
@@ -1,13 +1,42 @@
-require_relative '../../shared/rational/divmod'
+require_relative "../../spec_helper"
describe "Rational#divmod when passed a Rational" do
- it_behaves_like :rational_divmod_rat, :divmod
+ 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?([3458764513820540928, Rational(0, 1)])
+ end
+
+ it "raises a ZeroDivisionError when passed a Rational with a numerator of 0" do
+ -> { Rational(7, 4).divmod(Rational(0, 3)) }.should.raise(ZeroDivisionError)
+ end
end
describe "Rational#divmod when passed an Integer" do
- it_behaves_like :rational_divmod_int, :divmod
+ 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.eql?([1537228672809129301, Rational(1, 1)])
+ end
+
+ it "raises a ZeroDivisionError when passed 0" do
+ -> { Rational(7, 4).divmod(0) }.should.raise(ZeroDivisionError)
+ end
end
describe "Rational#divmod when passed a Float" do
- it_behaves_like :rational_divmod_float, :divmod
+ 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
+ -> { Rational(7, 4).divmod(0.0) }.should.raise(ZeroDivisionError)
+ end
end