Update to ruby/spec@d419e74

1 files changed, 6 insertions, 0 deletions

diff --git a/spec/ruby/core/builtin_constants/builtin_constants_spec.rb b/spec/ruby/core/builtin_constants/builtin_constants_spec.rb
index a5141c3008..21102bee9f 100644
--- a/spec/ruby/core/builtin_constants/builtin_constants_spec.rb
+++ b/spec/ruby/core/builtin_constants/builtin_constants_spec.rb
@@ -34,6 +34,12 @@ describe "RUBY_PLATFORM" do
   it "is a String" do
     RUBY_PLATFORM.should be_kind_of(String)
   end
+
+  platform_is :darwin do
+    it 'ends with the build time kernel major version on darwin' do
+      RUBY_PLATFORM.should =~ /-darwin\d+$/
+    end
+  end
 end
 
 describe "RUBY_RELEASE_DATE" do