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-rw-r--r--test/runner.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/test/runner.rb b/test/runner.rb
index c1eae3540a..5a4ef3d6db 100644
--- a/test/runner.rb
+++ b/test/runner.rb
@@ -24,8 +24,10 @@ module Test::Unit
assert_empty(Process.waitall)
# detect zombie traces.
+ zombie_traces = Hash.new(0)
TracePoint.stat.each{|key, (activated, deleted)|
- assert_equal(0, activated, "The number of active trace events (#{key}) should be zero.")
+ 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
}
end