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/core/fixnum/div_spec.rb

@@ -0,0 +1,44 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Fixnum#div with a Fixnum" do
+  it "returns self divided by the given argument as an Integer" do
+    2.div(2).should == 1
+    1.div(2).should == 0
+    5.div(2).should == 2
+  end
+end
+
+describe "Fixnum#div" do
+  it "rounds towards -inf" do
+    8192.div(10).should == 819
+    8192.div(-10).should == -820
+    (-8192).div(10).should == -820
+    (-8192).div(-10).should == 819
+  end
+
+  it "coerces self and the given argument to Floats and returns self divided by other as Fixnum" do
+    1.div(0.2).should == 5
+    1.div(0.16).should == 6
+    1.div(0.169).should == 5
+    -1.div(50.4).should == -1
+    1.div(bignum_value).should == 0
+  end
+
+  it "raises a ZeroDivisionError when the given argument is 0 and a Float" do
+    lambda { 0.div(0.0)   }.should raise_error(ZeroDivisionError)
+    lambda { 10.div(0.0)  }.should raise_error(ZeroDivisionError)
+    lambda { -10.div(0.0) }.should raise_error(ZeroDivisionError)
+  end
+
+  it "raises a ZeroDivisionError when the given argument is 0" do
+    lambda { 13.div(0) }.should raise_error(ZeroDivisionError)
+  end
+
+  it "raises a TypeError when given a non-Integer" do
+    lambda {
+      (obj = mock('10')).should_receive(:to_int).any_number_of_times.and_return(10)
+      13.div(obj)
+    }.should raise_error(TypeError)
+    lambda { 5.div("2") }.should raise_error(TypeError)
+  end
+end