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require "abstract_unit"
require "active_support/core_ext/module/reachable"
class AnonymousTest < ActiveSupport::TestCase
test "an anonymous class or module is not reachable" do
assert !Module.new.reachable?
assert !Class.new.reachable?
end
test "ordinary named classes or modules are reachable" do
assert Kernel.reachable?
assert Object.reachable?
end
test "a named class or module whose constant has gone is not reachable" do
c = eval "class C; end; C"
m = eval "module M; end; M"
self.class.send(:remove_const, :C)
self.class.send(:remove_const, :M)
assert !c.reachable?
assert !m.reachable?
end
test "a named class or module whose constants store different objects are not reachable" do
c = eval "class C; end; C"
m = eval "module M; end; M"
self.class.send(:remove_const, :C)
self.class.send(:remove_const, :M)
eval "class C; end"
eval "module M; end"
assert C.reachable?
assert M.reachable?
assert !c.reachable?
assert !m.reachable?
end
end
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