Move spec/rubyspec to spec/ruby for consistency

* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/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