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/io/ioctl_spec.rb

@@ -0,0 +1,32 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "IO#ioctl" do
+  platform_is_not :windows do
+    it "raises IOError on closed stream" do
+      lambda { IOSpecs.closed_io.ioctl(5, 5) }.should raise_error(IOError)
+    end
+  end
+
+  platform_is :linux do
+    platform_is "86" do # x86 / x86_64
+      it "resizes an empty String to match the output size" do
+        File.open(__FILE__, 'r') do |f|
+          buffer = ''
+          # FIONREAD in /usr/include/asm-generic/ioctls.h
+          f.ioctl 0x541B, buffer
+          buffer.unpack('I').first.should be_kind_of(Integer)
+        end
+      end
+    end
+
+    it "raises an Errno error when ioctl fails" do
+      File.open(__FILE__, 'r') do |f|
+        lambda {
+          # TIOCGWINSZ in /usr/include/asm-generic/ioctls.h
+          f.ioctl 0x5413, nil
+        }.should raise_error(Errno::ENOTTY)
+      end
+    end
+  end
+end