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Run a TracePoint test in an insolated process

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to prevent a random failure like
http://ci.rvm.jp/results/trunk-random2@phosphorus-docker/3024287
This commit is contained in:
Takashi Kokubun 2020-06-24 22:43:13 -07:00
parent 5e860ed4c1
commit ab62aa7037
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1 changed files with 10 additions and 8 deletions
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18
test/ruby/test_settracefunc.rb
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@ -2295,15 +2295,17 @@ class TestSetTraceFunc < Test::Unit::TestCase
def test_tracepoint_opt_invokebuiltin_delegate_leave
code = 'puts RubyVM::InstructionSequence.of("\x00".method(:unpack)).disasm'
out, _err, _status = EnvUtil.invoke_ruby(['-e', code], '', true)
out = EnvUtil.invoke_ruby(['-e', code], '', true).first
assert_match /^0000 opt_invokebuiltin_delegate_leave /, out
events = []
TracePoint.new(:return) do |tp|
events << [tp.event, tp.method_id]
end.enable do
"\x00".unpack("c")
end
assert_equal [[:return, :unpack]], events
event = eval(EnvUtil.invoke_ruby(['-e', <<~'EOS'], '', true).first)
set_trace_func(proc {}); set_trace_func(nil) # Is it okay that this is required?
TracePoint.new(:return) do |tp|
p [tp.event, tp.method_id]
end.enable do
"\x00".unpack("c")
end
EOS
assert_equal [:return, :unpack], event
end
end