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-rw-r--r--spec/ruby/library/date/relationship_spec.rb20
1 files changed, 20 insertions, 0 deletions
diff --git a/spec/ruby/library/date/relationship_spec.rb b/spec/ruby/library/date/relationship_spec.rb
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+++ b/spec/ruby/library/date/relationship_spec.rb
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+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Date#===" do
+
+ it "returns 0 when comparing two equal dates" do
+ (Date.civil(2000, 04, 06) <=> Date.civil(2000, 04, 06)).should == 0
+ end
+
+ it "computes the difference between two dates" do
+ (Date.civil(2000, 04, 05) <=> Date.civil(2000, 04, 06)).should == -1
+ (Date.civil(2001, 04, 05) <=> Date.civil(2000, 04, 06)).should == 1
+ end
+
+ it "compares to another numeric" do
+ (Date.civil(2000, 04, 05) <=> Date.civil(2000, 04, 06).jd).should == -1
+ (Date.civil(2001, 04, 05) <=> Date.civil(2000, 04, 06).jd).should == 1
+ end
+
+end