1 files changed, 38 insertions, 0 deletions
diff --git a/spec/ruby/library/date/add_month_spec.rb b/spec/ruby/library/date/add_month_spec.rb
new file mode 100644
index 0000000000..46f1915b70
--- /dev/null
+++ b/spec/ruby/library/date/add_month_spec.rb
@@ -0,0 +1,38 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#>>" do
+  it "adds the number of months to a Date" do
+    d = Date.civil(2007,2,27) >> 10
+    d.should == Date.civil(2007, 12, 27)
+  end
+
+  it "sets the day to the last day of a month if the day doesn't exist" do
+    d = Date.civil(2008,3,31) >> 1
+    d.should == Date.civil(2008, 4, 30)
+  end
+
+  it "returns the day of the reform if date falls within calendar reform" do
+    calendar_reform_italy = Date.new(1582, 10, 4)
+    d1 = Date.new(1582, 9, 9) >> 1
+    d2 = Date.new(1582, 9, 10) >> 1
+    d1.should == calendar_reform_italy
+    d2.should == calendar_reform_italy
+  end
+
+  it "raise a TypeError when passed a Symbol" do
+    lambda { Date.civil(2007,2,27) >> :hello }.should raise_error(TypeError)
+  end
+
+  it "raise a TypeError when passed a String" do
+    lambda { Date.civil(2007,2,27) >> "hello" }.should raise_error(TypeError)
+  end
+
+  it "raise a TypeError when passed a Date" do
+    lambda { Date.civil(2007,2,27) >> Date.new }.should raise_error(TypeError)
+  end
+
+  it "raise a TypeError when passed an Object" do
+    lambda { Date.civil(2007,2,27) >> Object.new }.should raise_error(TypeError)
+  end
+end