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/enumerator/with_index.rb

@@ -0,0 +1,32 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe :enum_with_index, shared: true do
+
+  require File.expand_path('../../../fixtures/enumerator/classes', __FILE__)
+
+  before :each do
+    @enum = [1, 2, 3, 4].to_enum
+  end
+
+  it "passes each element and its index to block" do
+    @a = []
+    @enum.send(@method) { |o, i| @a << [o, i] }
+    @a.should == [[1, 0], [2, 1], [3, 2], [4, 3]]
+  end
+
+  it "returns the object being enumerated when given a block" do
+    [1, 2, 3, 4].should == @enum.send(@method) { |o, i| :glark }
+  end
+
+  it "binds splat arguments properly" do
+    acc = []
+    @enum.send(@method) { |*b| c,d = b; acc << c; acc << d }
+    [1, 0, 2, 1, 3, 2, 4, 3].should == acc
+  end
+
+  it "returns an enumerator if no block is supplied" do
+    ewi = @enum.send(@method)
+    ewi.should be_an_instance_of(Enumerator)
+    ewi.to_a.should == [[1, 0], [2, 1], [3, 2], [4, 3]]
+  end
+end