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Examples/ruby/free_function/runme.rb
51 строка
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Cyrille Faucheux
Do not abort when unlinking non-data ruby objects
27 дек 2017, 16:40
27 дек 2017, 16:40
a4884e4
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require 'example' begin begin # Create an animal and zoo tiger1 = Example::Animal.new("tiger1") zoo = Example::Zoo.new # At the animal to the zoo - this will transfer ownership # of the underlying C++ object to the C++ zoo object zoo.add_animal(tiger1) # get the id of the tiger id1 = tiger1.object_id # Unset the tiger tiger1 = nil end # Force a gc GC.start # Get the tiger and its id tiger2 = zoo.get_animal(0) id2 = tiger2.object_id # The ids should not be the same if id1==id2 # Not working - needs checking/fixing # raise RuntimeError, "Id's should not be the same" end zoo = nil end GC.start # This method is no longer valid since the zoo freed the underlying # C++ object ok = false begin # Let's stress the GC a bit, a single pass might not be enough. 10.times { GC.start puts tiger2.get_name } rescue ObjectPreviouslyDeleted => error ok = true end raise(RuntimeError, "Incorrect exception raised - should be ObjectPreviouslyDeleted") unless ok