lib/time_index.rb in vcs_ruby-1.1.14 vs lib/time_index.rb in vcs_ruby-1.1.15

@@ -5,12 +5,27 @@
 module VCSRuby
   class TimeIndex
     include Comparable
     attr_reader :total_seconds
 
+    def has_unified_integer?
+      version = RUBY_VERSION.split('.').collect(&:to_i)
+
+      return (version[0] == 2 && version[1] >= 4) || version[0] > 2
+    end
+
+    # compatibilty fix
+    def is_integer? variable
+      if has_unified_integer?
+        return variable.instance_of?(Integer)
+      else
+        return variable.instance_of?(Fixnum) || variable.instance_of?(Bignum)
+      end
+    end
+
     def initialize time_index = ''
-      if time_index.instance_of? Float or time_index.instance_of? Integer
+      if is_integer?(time_index) || time_index.instance_of?(Float)
         @total_seconds = time_index
       else
         @total_seconds = 0.0
         @to_parse = time_index.strip
 
@@ -64,19 +79,19 @@
     def seconds
       @total_seconds.abs % 60
     end
 
     def + operand
-      if operand.instance_of? Integer
+      if is_integer? operand
         TimeIndex.new @total_seconds + operand
       else
         TimeIndex.new @total_seconds + operand.total_seconds
       end
     end
 
     def - operand
-      if operand.instance_of? Integer
+      if is_integer? operand
         TimeIndex.new @total_seconds - operand
       else
         TimeIndex.new @total_seconds - operand.total_seconds
       end
     end
@@ -84,10 +99,10 @@
     def * operand
       TimeIndex.new total_seconds * operand
     end
 
     def / operand
-      if operand.instance_of? Integer
+      if is_integer? operand
         TimeIndex.new @total_seconds / operand
       else
         @total_seconds / operand.total_seconds
       end
     end