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/random/seed_spec.rb

@@ -0,0 +1,29 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Random#seed" do
+  it "returns an Integer" do
+    Random.new.seed.should be_kind_of(Integer)
+  end
+
+  it "returns an arbitrary seed if the constructor was called without arguments" do
+    Random.new.seed.should_not == Random.new.seed
+  end
+
+  it "returns the same generated seed when repeatedly called on the same object" do
+    prng = Random.new
+    prng.seed.should == prng.seed
+  end
+
+  it "returns the seed given in the constructor" do
+    prng = Random.new(36788)
+    prng.seed.should == prng.seed
+    prng.seed.should == 36788
+  end
+
+  it "returns the given seed coerced with #to_int" do
+    obj = mock_numeric('int')
+    obj.should_receive(:to_int).and_return(34)
+    prng = Random.new(obj)
+    prng.seed.should == 34
+  end
+end