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/divide.rb

@@ -0,0 +1,71 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe :rational_divide_rat, shared: true do
+  it "returns self divided by other as a Rational" do
+    Rational(3, 4).send(@method, Rational(3, 4)).should eql(Rational(1, 1))
+    Rational(2, 4).send(@method, Rational(1, 4)).should eql(Rational(2, 1))
+
+    Rational(2, 4).send(@method, 2).should == Rational(1, 4)
+    Rational(6, 7).send(@method, -2).should == Rational(-3, 7)
+  end
+
+  it "raises a ZeroDivisionError when passed a Rational with a numerator of 0" do
+    lambda { Rational(3, 4).send(@method, Rational(0, 1)) }.should raise_error(ZeroDivisionError)
+  end
+end
+
+describe :rational_divide_int, shared: true do
+  it "returns self divided by other as a Rational" do
+    Rational(3, 4).send(@method, 2).should eql(Rational(3, 8))
+    Rational(2, 4).send(@method, 2).should eql(Rational(1, 4))
+    Rational(6, 7).send(@method, -2).should eql(Rational(-3, 7))
+  end
+
+  it "raises a ZeroDivisionError when passed 0" do
+    lambda { Rational(3, 4).send(@method, 0) }.should raise_error(ZeroDivisionError)
+  end
+end
+
+describe :rational_divide_float, shared: true do
+  it "returns self divided by other as a Float" do
+    Rational(3, 4).send(@method, 0.75).should eql(1.0)
+    Rational(3, 4).send(@method, 0.25).should eql(3.0)
+    Rational(3, 4).send(@method, 0.3).should eql(2.5)
+
+    Rational(-3, 4).send(@method, 0.3).should eql(-2.5)
+    Rational(3, -4).send(@method, 0.3).should eql(-2.5)
+    Rational(3, 4).send(@method, -0.3).should eql(-2.5)
+  end
+
+  it "returns infinity when passed 0" do
+    Rational(3, 4).send(@method, 0.0).infinite?.should eql(1)
+    Rational(-3, -4).send(@method, 0.0).infinite?.should eql(1)
+
+    Rational(-3, 4).send(@method, 0.0).infinite?.should eql(-1)
+    Rational(3, -4).send(@method, 0.0).infinite?.should eql(-1)
+  end
+end
+
+describe :rational_divide, shared: true do
+  it "calls #coerce on the passed argument with self" do
+    rational = Rational(3, 4)
+    obj = mock("Object")
+    obj.should_receive(:coerce).with(rational).and_return([1, 2])
+
+    rational.send(@method, obj)
+  end
+
+  it "calls #/ on the coerced Rational with the coerced Object" do
+    rational = Rational(3, 4)
+
+    coerced_rational = mock("Coerced Rational")
+    coerced_rational.should_receive(:/).and_return(:result)
+
+    coerced_obj = mock("Coerced Object")
+
+    obj = mock("Object")
+    obj.should_receive(:coerce).and_return([coerced_rational, coerced_obj])
+
+    rational.send(@method, obj).should == :result
+  end
+end