1 files changed, 30 insertions, 0 deletions
diff --git a/spec/ruby/library/date/add_spec.rb b/spec/ruby/library/date/add_spec.rb
new file mode 100644
index 0000000000..022b793318
--- /dev/null
+++ b/spec/ruby/library/date/add_spec.rb
@@ -0,0 +1,30 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'date'
+
+describe "Date#+" do
+  it "adds the number of days to a Date" do
+    d = Date.civil(2007,2,27) + 10
+    d.should == Date.civil(2007, 3, 9)
+  end
+
+  it "adds a negative number of days to a Date" do
+    d = Date.civil(2007,2,27).+(-10)
+    d.should == Date.civil(2007, 2, 17)
+  end
+
+  it "raises a TypeError when passed a Symbol" do
+    lambda { Date.civil(2007,2,27) + :hello }.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError when passed a String" do
+    lambda { Date.civil(2007,2,27) + "hello" }.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError when passed a Date" do
+    lambda { Date.civil(2007,2,27) + Date.new }.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError when passed an Object" do
+    lambda { Date.civil(2007,2,27) + Object.new }.should raise_error(TypeError)
+  end
+end