1 files changed, 7 insertions, 3 deletions
diff --git a/spec/ruby/library/date/next_day_spec.rb b/spec/ruby/library/date/next_day_spec.rb
index 1ccb4df257..795bfecf0a 100644
--- a/spec/ruby/library/date/next_day_spec.rb
+++ b/spec/ruby/library/date/next_day_spec.rb
@@ -3,8 +3,12 @@ require 'date'
 
 describe "Date#next_day" do
   it "returns the next day" do
-    d = Date.new(2000, 1, 5)
-    d1 = Date.new(2000, 1, 4).next_day
-    d1.should == d
+    d = Date.new(2000, 1, 4).next_day
+    d.should == Date.new(2000, 1, 5)
+  end
+
+  it "returns three days later across months" do
+    d = Date.new(2000, 1, 30).next_day(3)
+    d.should == Date.new(2000, 2, 2)
   end
 end