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GATE | GATE CS 2010 | Question 44

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The following program is to be tested for statement coverage:
begin
  if (a== b) {S1; exit;}
  else if (c== d) {S2;]
       else {S3; exit;}
  S4;
end 
The test cases T1, T2, T3 and T4 given below are expressed in terms of the properties satisfied by the values of variables a, b, c and d. The exact values are not given. T1 : a, b, c and d are all equal T2 : a, b, c and d are all distinct T3 : a = b and c != d T4 : a != b and c = d Which of the test suites given below ensures coverage of statements S1, S2, S3 and S4? (A) T1, T2, T3 (B) T2, T4 (C) T3, T4 (D) T1, T2, T4

Answer: (D)

Explanation:
T1 checks S1 

T2 checks S3

T4 checks S2 and S4


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Last Updated : 28 Jun, 2021
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