1 files changed, 15 insertions, 0 deletions
diff --git a/spec/ruby/core/file/null_spec.rb b/spec/ruby/core/file/null_spec.rb
new file mode 100644
index 0000000000..b9dd6b658b
--- /dev/null
+++ b/spec/ruby/core/file/null_spec.rb
@@ -0,0 +1,15 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "File::NULL" do
+  platform_is :windows do
+    it "returns NUL as a string" do
+      File::NULL.should == 'NUL'
+    end
+  end
+
+  platform_is_not :windows do
+    it "returns /dev/null as a string" do
+      File::NULL.should == '/dev/null'
+    end
+  end
+end