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/float/finite_spec.rb

@@ -0,0 +1,19 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Float#finite?" do
+  it "returns true for finite values" do
+    3.14159.finite?.should == true
+  end
+
+  it "returns false for positive infinity" do
+    infinity_value.finite?.should == false
+  end
+
+  it "returns false for negative infinity" do
+    (-infinity_value).finite?.should == false
+  end
+
+  it "returns false for NaN" do
+    nan_value.finite?.should == false
+  end
+end