Reworded question.
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@@ -20,7 +20,7 @@ class AboutConstants < EdgeCase::Koan
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end
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# ------------------------------------------------------------------
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class Animal
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LEGS = 4
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def legs_in_animal
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@@ -33,25 +33,25 @@ class AboutConstants < EdgeCase::Koan
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end
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end
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end
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def test_nested_classes_inherit_constants_from_enclosing_classes
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assert_equal __(4), Animal::NestedAnimal.new.legs_in_nested_animal
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assert_equal __(4), Animal::NestedAnimal.new.legs_in_nested_animal
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end
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# ------------------------------------------------------------------
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class Reptile < Animal
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def legs_in_reptile
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LEGS
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end
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end
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def test_subclasses_inherit_constants_from_parent_classes
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assert_equal __(4), Reptile.new.legs_in_reptile
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end
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# ------------------------------------------------------------------
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class MyAnimals
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LEGS = 2
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@@ -61,16 +61,16 @@ class AboutConstants < EdgeCase::Koan
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end
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end
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end
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def test_who_wins_with_both_nested_and_inherited_constants
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assert_equal __(2), MyAnimals::Bird.new.legs_in_bird
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end
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# QUESTION: Which has precedence: The constant in the lexical scope,
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# or the constant from the inheritance heirarachy?
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# ------------------------------------------------------------------
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class MyAnimals::Oyster < Animal
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def legs_in_oyster
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LEGS
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@@ -83,5 +83,5 @@ class AboutConstants < EdgeCase::Koan
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# QUESTION: Now Which has precedence: The constant in the lexical
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# scope, or the constant from the inheritance heirarachy? Why is it
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# different?
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# different than the previous answer?
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end
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