1 files changed, 23 insertions, 3 deletions
diff --git a/spec/ruby/library/date/valid_ordinal_spec.rb b/spec/ruby/library/date/valid_ordinal_spec.rb
index 58d548c704..bb5c259606 100644
--- a/spec/ruby/library/date/valid_ordinal_spec.rb
+++ b/spec/ruby/library/date/valid_ordinal_spec.rb
@@ -1,9 +1,29 @@
 require_relative '../../spec_helper'
-require_relative 'shared/valid_ordinal'
 require 'date'
 
 describe "Date.valid_ordinal?" do
+  it "determines if the date is a valid ordinal date" do
+    # October 1582 (the Gregorian calendar, Ordinal Date)
+    #   S   M  Tu   W  Th   F   S
+    #     274 275 276 277 278 279
+    # 280 281 282 283 284 285 286
+    # 287 288 289 290 291 292 293
+    # 294
+    Date.valid_ordinal?(1582, 277).should == true
+    Date.valid_ordinal?(1582, 278).should == true
+    Date.valid_ordinal?(1582, 287).should == true
+    Date.valid_ordinal?(1582, 288).should == true
+  end
 
-  it_behaves_like :date_valid_ordinal?, :valid_ordinal?
-
+  it "handles negative day numbers" do
+    # October 1582 (the Gregorian calendar, Ordinal Date)
+    #   S   M  Tu   W  Th   F   S
+    #     -82 -81 -80 -79 -78 -77
+    # -76 -75 -74 -73 -72 -71 -70
+    # -69 -68 -67 -66 -65 -64 -63
+    # -62
+    Date.valid_ordinal?(1582, -79).should == true
+    Date.valid_ordinal?(1582, -78).should == true
+    Date.valid_ordinal?(2007, -100).should == true
+  end
 end