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======== Unit Test for 'mixin-interface-api' package =======
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1.Instance of 'Animal' created: animal_0
'animal_0' is a 'MxI.$Object' ?    true
'animal_0' is a 'ILifeForm' ?      true
'animal_0' is a 'IAnimal' ?        true
'animal_0' is a 'Animal' ?         true
'animal_0' is a 'IMammal' ?        false
--> Animal.live: 'animal_0'
--> Animal.run: 'animal_0'
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2. Instance of 'Cat' created: cat_0
'cat_0' is a 'MxI.$Object' ? true
'cat_0' is a 'Animal' ?      true
'cat_0' is a 'Cat' ?         true
'cat_0' is a 'ILifeForm' ?   true
'cat_0' is a 'IAnimal' ?     true
'cat_0' is a 'IMammal' ?     true
--> Animal.live: 'cat_0'
--> Animal.run: 'cat_0'
--> Cat.suckle: 'cat_0'
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3. Check for each type if it is an Interface class or an Implementation class
'MxI.$Object'        is an interface ? false
'MxI.IBaseInterface' is an interface ? true
'ILifeForm'          is an interface ? true
'IAnimal'            is an interface ? true
'Animal'             is an interface ? false
'Cat'                is an interface ? false
'IMammal'            is an interface ? true
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4. Check if an Implementation class implements a given Interface
'Animal'              implements 'ILifeForm' ?        true
'Animal'              implements 'IAnimal' ?          true
'Animal'              implements 'IMammal' ?          false
'Cat'                 implements 'IAnimal' ?          true
'Cat'                 implements 'IMammal' ?          true
'MxI.$NullObject'     implements 'MxI.$INullObject' ? true
'MxI.$NullObject'     implements 'MxI.$ISingleton' ?  true
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5. get Superclass of a type
Superclass of 'ILifeForm' is:             $IBaseInterface
Superclass of 'Animal' is:                $Object
Superclass of 'IAnimal' is:               ILifeForm
Superclass of 'Cat' is:                   Animal
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6. Check generated names for instances
Instance of 'MxI.$Object' created:        'mxi_object_0'
Another instance of 'Animal' created:     'animal_1'
--> Animal.live: 'animal_1'
--> Animal.run: 'animal_1'
Another instance of 'Cat' created:        'cat_1'
--> Animal.live: 'cat_1'
--> Animal.run: 'cat_1'
--> Cat.suckle: 'cat_1'
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7. Initialize instance
animal_1 isInitialized():                
animal_1 isInitialized():                
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8. 'Null Object' design pattern, check if an instance is 'MxI.NULL'
MxI.$isNull(undefined):                   true
MxI.$isNull(animal_1):                    false
MxI.$isNull(MxI.NULL):                    true
MxI.$NullObject.getSingleton():           MxI.NULL
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9. Singleton
isSingleton(MxI.NULL):                    true
'MxI.NULL' is a 'MxI.$ISingleton' ?       true
======== End of Unit Test ========