lib/appium_lib/common/helper.rb in appium_lib-0.9.0 vs lib/appium_lib/common/helper.rb in appium_lib-0.9.1

@@ -93,11 +93,12 @@
   # Get the element of type tag_name at matching index.
   # @param tag_name [String] the tag name to find
   # @param index [Integer] the index
   # @return [Element] the found element of type tag_name
   def ele_index tag_name, index
-    # XPath index starts at 1. ruby_lib index starts at 0
-    find_element :xpath, "//#{tag_name}[#{index + 1}]"
+    # XPath index starts at 1.
+    raise "#{index} is not a valid xpath index. Must be >= 1" if index <= 0
+    find_element :xpath, "//#{tag_name}[#{index}]"
   end
 
   # Get all elements exactly matching tag name
   # @param tag_name [String] the tag name to find
   # @return [Array<Element>] the found elements of type tag_name
\ No newline at end of file