* test/runner.rb: capture TracePoint stat before setup and compare

  it after teardown.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46447 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 13 insertions, 6 deletions

diff --git a/ChangeLog b/ChangeLog
index 321d076cc4..95c8a61408 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Jun 16 18:42:57 2014  Koichi Sasada  <[email protected]>
+
+	* test/runner.rb: capture TracePoint stat before setup and compare
+	  it after teardown.
+
 Mon Jun 16 14:33:56 2014  Nobuyoshi Nakada  <[email protected]>
 
 	* process.c (open): use UTF-8 version function to support
diff --git a/test/runner.rb b/test/runner.rb
index 9b94fd002c..51bfbc511f 100644
--- a/test/runner.rb
+++ b/test/runner.rb
@@ -19,18 +19,20 @@ require_relative 'profile_test_all' if ENV.has_key?('RUBY_TEST_ALL_PROFILE')
 
 module Test::Unit
   module ZombieHunter
-    @@zombie_traces = Hash.new(0)
+
+    def before_setup
+      @@tracepoint_captured_stat = TracePoint.stat.map{|k, (activated, deleted)| [k, activated]}
+    end
 
     def after_teardown
       super
       assert_empty(Process.waitall)
 
       # detect zombie traces.
-      TracePoint.stat.each{|key, (activated, deleted)|
-        old, @@zombie_traces[key] = @@zombie_traces[key], activated
-        assert_equal(old, activated, "The number of active trace events (#{key}) should not increase")
-        # puts "TracePoint - deleted: #{deleted}" if deleted > 0
-      }
+      assert_equal @@tracepoint_captured_stat, TracePoint.stat.map{|k, (activated, deleted)| [k, activated]} do
+        "The number of active trace events was changed"
+      end
+      # puts "TracePoint - deleted: #{deleted}" if deleted > 0
     end
   end
   class TestCase