Added acceptance test and updated readme

2 files changed, 15 insertions, 1 deletions

diff --git a/README.markdown b/README.markdown
index f919323..d023f23 100644
--- a/README.markdown
+++ b/README.markdown
@@ -224,7 +224,7 @@ Converts the case of a string or of all strings in an array to lowercase. *Type*
 
 #### `empty`
 
-Returns true if the argument is an array or hash that contains no elements, or an empty string. *Type*: rvalue.
+Returns true if the argument is an array or hash that contains no elements, or an empty string. Returns false when the argument is a numerical value. *Type*: rvalue.
 
 #### `ensure_packages`
 
diff --git a/spec/acceptance/empty_spec.rb b/spec/acceptance/empty_spec.rb
index 8b46aac..2d4df90 100755
--- a/spec/acceptance/empty_spec.rb
+++ b/spec/acceptance/empty_spec.rb
@@ -31,6 +31,20 @@ describe 'empty function', :unless => UNSUPPORTED_PLATFORMS.include?(fact('opera
         expect(r.stdout).to match(/Notice: output correct/)
       end
     end
+    it 'handles numerical values' do
+      pp = <<-EOS
+      $a = 7
+      $b = false
+      $o = empty($a)
+      if $o == $b {
+        notify { 'output correct': }
+      }
+      EOS
+
+      apply_manifest(pp, :catch_failures => true) do |r|
+        expect(r.stdout).to match(/Notice: output correct/)
+      end
+    end
   end
   describe 'failure' do
     it 'handles improper argument counts'