some ruby interpreters don't have ruby-prof so just skip the tests

rather than exiting the process.

1 files changed, 12 insertions, 3 deletions

diff --git a/activesupport/test/testing/performance_test.rb b/activesupport/test/testing/performance_test.rb
index 53073cb8db..6918110cce 100644
--- a/activesupport/test/testing/performance_test.rb
+++ b/activesupport/test/testing/performance_test.rb
@@ -1,10 +1,19 @@
 require 'abstract_unit'
-require 'active_support/testing/performance'
-
 
 module ActiveSupport
   module Testing
     class PerformanceTest < ActiveSupport::TestCase
+      begin
+        require 'active_support/testing/performance'
+        HAVE_RUBYPROF = true
+      rescue LoadError
+        HAVE_RUBYPROF = false
+      end
+
+      def setup
+        skip "no rubyprof" unless HAVE_RUBYPROF
+      end
+
       def test_amount_format
         amount_metric = ActiveSupport::Testing::Performance::Metrics[:amount].new
         assert_equal "0", amount_metric.format(0)
@@ -56,4 +65,4 @@ module ActiveSupport
       end
     end
   end
-end
\ No newline at end of file
+end