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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
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# This method is no longer valid since the zoo freed the underlying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
puts tiger2.get_name
rescue ObjectPreviouslyDeleted => error
ok = true
end
raise(RuntimeError, "Incorrect exception raised - should be ObjectPreviouslyDeleted") unless ok
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