test/objspace/test_ractor.rb


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require "test/unit"

class TestObjSpaceRactor < Test::Unit::TestCase
    def test_tracing_does_not_crash
        assert_ractor(<<~RUBY, require: 'objspace')
            ObjectSpace.trace_object_allocations do
                r = Ractor.new do
                    obj = 'a' * 1024
                    Ractor.yield obj
                end

                r.take
                r.take
            end
        RUBY
    end
end