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/library/rexml/element/add_attribute_spec.rb

@@ -0,0 +1,41 @@
+require 'rexml/document'
+require File.expand_path('../../../../spec_helper', __FILE__)
+
+describe "REXML::Element#add_attribute" do
+  before :each do
+    @person = REXML::Element.new "person"
+    @person.attributes["name"] = "Bill"
+  end
+
+  it "adds a new attribute" do
+    @person.add_attribute("age", "17")
+    @person.attributes["age"].should == "17"
+  end
+
+  it "overwrites an existing attribute" do
+    @person.add_attribute("name", "Bill")
+    @person.attributes["name"].should == "Bill"
+  end
+
+  it "accepts a pair of strings" do
+    @person.add_attribute("male", "true")
+    @person.attributes["male"].should == "true"
+  end
+
+  it "accepts an Attribute for key" do
+    attr = REXML::Attribute.new("male", "true")
+    @person.add_attribute attr
+    @person.attributes["male"].should == "true"
+  end
+
+  it "ignores value if key is an Attribute" do
+    attr = REXML::Attribute.new("male", "true")
+    @person.add_attribute(attr, "false")
+    @person.attributes["male"].should == "true"
+  end
+
+  it "returns the attribute added" do
+    attr = REXML::Attribute.new("name", "Tony")
+    @person.add_attribute(attr).should == attr
+  end
+end