VALIDITY VTCT

ETL2 p.199 and ETR p.45:
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Class Type rule

An Identifier CC is valid as the Class_name part of a Class_type if
and only if it is the name of a class in the surrounding universe.
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TEST DESCRIPTION:
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Class BB inherits from CC, but CC is not the name of a class in
the surrounding universe. Validity VTCT is violated.
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TEST RESULTS:
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ISE Eiffel 5.0.016:    OK
SmallEiffel -0.76:     OK
Halstenbach 3.2:       OK
gelint:                OK
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TEST CLASSES:
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class AA

creation

	make

feature

	make is
		local
			b: BB
		do
			!! b
			b.f
		end

end -- class AA
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class BB

inherit

	CC

feature

	f is
		do
		end

end -- class BB
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