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-rw-r--r--spec/ruby/library/date/valid_ordinal_spec.rb29
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diff --git a/spec/ruby/library/date/valid_ordinal_spec.rb b/spec/ruby/library/date/valid_ordinal_spec.rb
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+++ b/spec/ruby/library/date/valid_ordinal_spec.rb
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+require_relative '../../spec_helper'
+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 "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