51 lines
863 B
Markdown
51 lines
863 B
Markdown
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Limitations
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===========
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Subject
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-------
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Mutant cannot emit mutations for some subjects.
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* methods defined within a closure. For example, methods defined using `module_eval`, `class_eval`,
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`define_method`, or `define_singleton_method`:
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```ruby
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class Example
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class_eval do
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def example1
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end
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end
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module_eval do
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def example2
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end
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end
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define_method(:example3) do
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end
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define_singleton_method(:example4) do
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end
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end
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```
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* singleton methods not defined on a constant or `self`
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```ruby
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class Foo
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def self.bar; end # ok
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def Foo.baz; end # ok
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myself = self
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def myself.qux; end # cannot mutate
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end
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```
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* methods defined with eval:
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```ruby
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class Foo
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class_eval('def bar; end') # cannot mutate
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end
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```
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