test/helper.rb in rays-0.1.32 vs test/helper.rb in rays-0.1.33

@@ -3,15 +3,24 @@
 
 %w[../xot ../rucy .]
   .map  {|s| File.expand_path "../#{s}/lib", __dir__}
   .each {|s| $:.unshift s if !$:.include?(s) && File.directory?(s)}
 
-require 'test/unit'
 require 'xot/test'
 require 'rays'
 
+require 'test/unit'
+
 include Xot::Test
 
 
 unless defined?($RAYS_NOAUTOINIT) && $RAYS_NOAUTOINIT
   def Rays.fin!() end
+end
+
+
+def assert_equal_color(c1, c2, delta = 0.000001)
+  assert_in_delta c1.r, c2.r, delta
+  assert_in_delta c1.g, c2.g, delta
+  assert_in_delta c1.b, c2.b, delta
+  assert_in_delta c1.a, c2.a, delta
 end