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-rw-r--r--test/ruby/test_trace.rb15
1 files changed, 15 insertions, 0 deletions
diff --git a/test/ruby/test_trace.rb b/test/ruby/test_trace.rb
index 77be94e9be..0be545e515 100644
--- a/test/ruby/test_trace.rb
+++ b/test/ruby/test_trace.rb
@@ -59,4 +59,19 @@ class TestTrace < Test::Unit::TestCase
a.any? {true}
}.value, bug2722)
end
+
+ def test_trace_stackoverflow
+ assert_normal_exit("#{<<-"begin;"}\n#{<<~"end;"}")
+ begin;
+ require 'tracer'
+ class HogeError < StandardError
+ def to_s
+ message.upcase # disable tailcall optimization
+ end
+ end
+ Tracer.stdout = open(IO::NULL, "w")
+ Tracer.on
+ HogeError.new.to_s
+ end;
+ end
end