Sha256: 629b0b8ac3024a384d65d11fd2be106b5c045df029cfe639d2327bef35ef9587
Contents?: true
Size: 1.63 KB
Versions: 40
Compression:
Stored size: 1.63 KB
Contents
require 'test_helper'
require 'backports/basic_object'
class BasicObjectTest < Test::Unit::TestCase
context "BasicObject" do
should "do it's best to keep stuff undefined" do
# written in one big test because sequence matters
# and defining classes / methods can't really be undone
assert_equal 3, BasicObject.instance_methods.size
class Subclass < BasicObject
def foo
:bar
end
end
assert_equal 4, Subclass.instance_methods.size
module ::Kernel
def bar
:foo
end
end
assert Subclass.method_defined?(:bar) # for now
class ForceCleanup < Subclass
end
assert !Subclass.method_defined?(:bar) # should be cleaned up
module SomeExtension
def foo
42
end
end
class ::Object
include SomeExtension
end
class ForceCleanupAgain < Subclass
end
# puts BasicObject.instance_methods - BasicObject.instance_methods(false)
# puts BasicObject.instance_method(:foo).owner
# puts SomeExtension <= Object
assert Subclass.method_defined?(:foo) # should not be cleaned up!
assert !BasicObject.method_defined?(:foo) # but BasicObject should have been cleaned up!
class BasicObject
def last_case
1.0/0
end
end
module SomeExtension
def last_case
0
end
end
class ForceCleanupForTheLastTime < BasicObject
end
assert BasicObject.method_defined?(:last_case)
end
end
end
Version data entries
40 entries across 40 versions & 2 rubygems