You run two test cases, T1 and T2, on the same code. Test T1 achieved 40% statement coverage and test T2 achieved 65% statement coverage. Which of the following sentences must be necessarily true?
Các đáp án
A.The test suite composed with tests T1 and T2 achieves 105% statement coverage
B.There exists at least one statement that must have been executed by both T1 and T2✓
C.At least 5% of the statements in the code under test are non-executable
D.The test suite composed of tests T1 and T2 achieves full branch coverage
Đáp án đúng
B: There exists at least one statement that must have been executed by both T1 and T2