diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/ruby/test_microjit.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/ruby/test_microjit.rb b/test/ruby/test_microjit.rb new file mode 100644 index 0000000000..f0c876b70f --- /dev/null +++ b/test/ruby/test_microjit.rb @@ -0,0 +1,27 @@ +# 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 |