The following 4 equivalence classes are given: Which of the following alternatives includes correct test values for x. Based on equivalence partitioning?

Question

Options

• A-100; 100:1000; 1001
• B-500; 0; 100; 1000
• C-99; 99:101; 1001
• D-1000; -100; 100; 1000

• A
  5% (3)
• B
  7% (4)
• C
  16% (9)
• D
  71% (39)

Explanation

The question is about selecting the correct test values for x based on equivalence partitioning. Equivalence partitioning is a software test design technique that divides the input data of a software unit into partitions of equivalent data from which test cases can be derived. In this case, the given equivalence classes are: (-100 < x < 100) (100 \leq x < 1000) Option D provides a value from each of these partitions: For (x \leq -100), it gives -1000. For (-100 < x < 100), it gives -100 and 100. For (100 \leq x < 1000), it gives 500. For (x \geq 1000), it gives 1500. So, option D covers all four given equivalence classes with appropriate values.

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