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/erb/util/shared/html_escape.rb

@@ -0,0 +1,42 @@
+describe :erb_util_html_escape, shared: true do
+  it "escape (& < > \" ') to (&amp; &lt; &gt; &quot; &#39;)" do
+    input = '& < > " \''
+    expected = '&amp; &lt; &gt; &quot; &#39;'
+    ERB::Util.__send__(@method, input).should == expected
+  end
+
+  it "not escape characters except (& < > \" ')" do
+    input = (0x20..0x7E).to_a.collect {|ch| ch.chr}.join('')
+    expected = input.
+      gsub(/&/,'&amp;').
+      gsub(/</,'&lt;').
+      gsub(/>/,'&gt;').
+      gsub(/'/,'&#39;').
+      gsub(/"/,'&quot;')
+    ERB::Util.__send__(@method, input).should == expected
+  end
+
+  it "return empty string when argument is nil" do
+    input = nil
+    expected = ''
+    ERB::Util.__send__(@method, input).should == expected
+  end
+
+  it "returns string when argument is number" do
+    input = 123
+    expected = '123'
+    ERB::Util.__send__(@method, input).should == expected
+    input = 3.14159
+    expected = '3.14159'
+    ERB::Util.__send__(@method, input).should == expected
+  end
+
+  it "returns string when argument is boolean" do
+    input = true
+    expected = 'true'
+    ERB::Util.__send__(@method, input).should == expected
+    input = false
+    expected = 'false'
+    ERB::Util.__send__(@method, input).should == expected
+  end
+end