mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
27 lines
667 B
Ruby
27 lines
667 B
Ruby
# frozen_string_literal: true
|
|
require 'test/unit'
|
|
|
|
class TestMicroJIT < Test::Unit::TestCase
|
|
# MicroJIT's code invalidation mechanism can't invalidate
|
|
# code that is executing. Test that we don't try to do that.
|
|
def test_code_invalidation
|
|
klass = Class.new do
|
|
def alias_then_hash(klass, method_to_redefine)
|
|
klass.alias_method(method_to_redefine, :itself)
|
|
hash
|
|
end
|
|
end
|
|
|
|
instance = klass.new
|
|
i = 0
|
|
while i < 12
|
|
if i < 11
|
|
instance.alias_then_hash(klass, :bar)
|
|
else
|
|
ret = instance.alias_then_hash(klass, :hash)
|
|
assert(instance.equal?(ret))
|
|
end
|
|
i += 1
|
|
end
|
|
end
|
|
end
|