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/process/uid_spec.rb

@@ -0,0 +1,84 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Process.uid" do
+  platform_is_not :windows do
+    it "returns the correct uid for the user executing this process" do
+      current_uid_according_to_unix = `id -ur`.to_i
+      Process.uid.should == current_uid_according_to_unix
+    end
+  end
+
+  it "also goes by Process::UID.rid" do
+    Process::UID.rid.should == Process.uid
+  end
+
+  it "also goes by Process::Sys.getuid" do
+    Process::Sys.getuid.should == Process.uid
+  end
+end
+
+describe "Process.uid=" do
+
+  platform_is_not :windows do
+    it "raises TypeError if not passed an Integer" do
+      lambda { Process.uid = Object.new }.should raise_error(TypeError)
+    end
+
+    as_user do
+      it "raises Errno::ERPERM if run by a non privileged user trying to set the superuser id" do
+        lambda { (Process.uid = 0)}.should raise_error(Errno::EPERM)
+      end
+
+      it "raises Errno::ERPERM if run by a non privileged user trying to set the superuser id from username" do
+        lambda { Process.uid = "root" }.should raise_error(Errno::EPERM)
+      end
+    end
+
+    as_superuser do
+      describe "if run by a superuser" do
+        with_feature :fork do
+          it "sets the real user id for the current process" do
+            read, write = IO.pipe
+            pid = Process.fork do
+              begin
+                read.close
+                Process.uid = 1
+                write << Process.uid
+                write.close
+              rescue Exception => e
+                write << e << e.backtrace
+              end
+              Process.exit!
+            end
+            write.close
+            uid = read.gets
+            uid.should == "1"
+            Process.wait pid
+          end
+
+          it "sets the real user id if preceded by Process.euid=id" do
+            read, write = IO.pipe
+            pid = Process.fork do
+              begin
+                read.close
+                Process.euid = 1
+                Process.uid = 1
+                write << Process.uid
+                write.close
+              rescue Exception => e
+                write << e << e.backtrace
+              end
+              Process.exit!
+            end
+            write.close
+            uid = read.gets
+            uid.should == "1"
+            Process.wait pid
+          end
+        end
+      end
+    end
+  end
+
+  it "needs to be reviewed for spec completeness"
+end