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/stringio/shared/sysread.rb

@@ -0,0 +1,15 @@
+describe :stringio_sysread_length, :shared => true do
+  before :each do
+    @io = StringIO.new("example")
+  end
+
+  it "returns an empty String when passed 0 and no data remains" do
+    @io.send(@method, 8).should == "example"
+    @io.send(@method, 0).should == ""
+  end
+
+  it "raises an EOFError when passed length > 0 and no data remains" do
+    @io.read.should == "example"
+    lambda { @io.sysread(1) }.should raise_error(EOFError)
+  end
+end