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/open3/popen3_spec.rb

@@ -0,0 +1,43 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'open3'
+
+describe "Open3.popen3" do
+  it "returns in, out, err and a thread waiting the process" do
+    stdin, out, err, waiter = Open3.popen3(ruby_cmd("print :foo"))
+    begin
+      stdin.should be_kind_of IO
+      out.should be_kind_of IO
+      err.should be_kind_of IO
+      waiter.should be_kind_of Thread
+
+      out.read.should == "foo"
+    ensure
+      stdin.close
+      out.close
+      err.close
+      waiter.join
+    end
+  end
+
+  it "executes a process with a pipe to read stdout" do
+    Open3.popen3(ruby_cmd("print :foo")) do |stdin, out, err|
+      out.read.should == "foo"
+    end
+  end
+
+  it "executes a process with a pipe to read stderr" do
+    Open3.popen3(ruby_cmd("STDERR.print :foo")) do |stdin, out, err|
+      err.read.should == "foo"
+    end
+  end
+
+  it "executes a process with a pipe to write stdin" do
+    Open3.popen3(ruby_cmd("print STDIN.read")) do |stdin, out, err|
+      stdin.write("foo")
+      stdin.close
+      out.read.should == "foo"
+    end
+  end
+
+  it "needs to be reviewed for spec completeness"
+end