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

1 files changed, 26 insertions, 0 deletions

diff --git a/spec/ruby/core/kernel/yield_self_spec.rb b/spec/ruby/core/kernel/yield_self_spec.rb
new file mode 100644
index 0000000000..817c01f288
--- /dev/null
+++ b/spec/ruby/core/kernel/yield_self_spec.rb
@@ -0,0 +1,26 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+has_yield_self = VersionGuard.new("2.5").match? || PlatformGuard.implementation?(:truffleruby)
+
+if has_yield_self
+  describe "Kernel#yield_self" do
+    it "yields self" do
+      object = Object.new
+      object.yield_self { |o| o.should equal object }
+    end
+
+    it "returns the block return value" do
+      object = Object.new
+      object.yield_self { 42 }.should equal 42
+    end
+
+    it "returns a sized Enumerator when no block given" do
+      object = Object.new
+      enum = object.yield_self
+      enum.should be_an_instance_of Enumerator
+      enum.size.should equal 1
+      enum.peek.should equal object
+      enum.first.should equal object
+    end
+  end
+end