documentation for comments.

1 files changed, 13 insertions, 1 deletions

diff --git a/lib/axlsx/util/validators.rb b/lib/axlsx/util/validators.rb
index 4387aae5..e5d2c79a 100644
--- a/lib/axlsx/util/validators.rb
+++ b/lib/axlsx/util/validators.rb
@@ -45,8 +45,20 @@ module Axlsx
     true
   end
 
+
+  # Requires that the value can be converted to an integer
+  # @para, [Any] v the value to validate
+  # @raise [ArgumentError] raised if the value cannot be converted to an integer
+  def self.validate_integerish(v)
+    raise ArugumentError, (ERR_INTEGERISH % v.inspect) unless (v.to_i.is_a?(Integer))
+  end
+
+  # Requires that the value is between -54000000 and 54000000
+  # @param [Any] v The value validated
+  # @raise [ArgumentError] raised if the value cannot be converted to an integer between the allowed angle values for chart label rotation.
+  # @return [Boolean] true if the data is valid
   def self.validate_angle(v)
-    raise ArgumentError, (ERR_ANGLE % v.inspect) unless (v >= -5400000 && v <= 5400000)
+    raise ArgumentError, (ERR_ANGLE % v.inspect) unless (v.to_i >= -5400000 && v.to_i <= 5400000)
   end
   # Requires that the value is a Fixnum or Integer and is greater or equal to 0
   # @param [Any] v The value validated