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-rw-r--r--spec/ruby/core/builtin_constants/builtin_constants_spec.rb6
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