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?

The following program is to be tested for statement coverage: begin

1.	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» E.

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