Examples of equivalence classes Valid input is a month number (1-12 -Equivalence classes are: [-o00[1.12],[13.00 Valid input is one of ten strings representing a type of fuel Equivalence classes are 10 classes, one for each string A class representing all other strings www.oseng.com C Lethbridge/Laganiere 2001 Chapter 10: Testing and Inspecting for High Quality© Lethbridge/Laganière 2001 Chapter 10: Testing and Inspecting for High Quality 7 Examples of equivalence classes • Valid input is a month number (1-12) —Equivalence classes are: [-∞..0], [1..12], [13.. ∞] • Valid input is one of ten strings representing a type of fuel —Equivalence classes are - 10 classes, one for each string - A class representing all other strings