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thread/test_instrumentation_api: cleanup all existing threads in setup

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We saw the following failure:
```
TestThreadInstrumentation#test_thread_instrumentation [/tmp/ruby/v3/src/trunk-random3/test/-ext-/thread/test_instrumentation_api.rb:25]:
Expected 0..3 to include 4.
```

Which shouldn't happen unless somehow there was a leaked thread.
This commit is contained in:
Jean Boussier 2022-07-13 13:13:33 +02:00
parent c4e2973733
commit 268269687c
Notes: git 2022-07-13 21:14:01 +09:00 
Merged: https://github.com/ruby/ruby/pull/6128
1 changed files with 9 additions and 0 deletions
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9
test/-ext-/thread/test_instrumentation_api.rb
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@ -6,6 +6,15 @@ class TestThreadInstrumentation < Test::Unit::TestCase
pend("No windows support") if /mswin|mingw|bccwin/ =~ RUBY_PLATFORM
require '-test-/thread/instrumentation'
Thread.list.each do |thread|
if thread != Thread.current
thread.kill
thread.join rescue nil
end
end
assert_equal [Thread.current], Thread.list
Bug::ThreadInstrumentation.reset_counters
Bug::ThreadInstrumentation::register_callback
end