Multiple Choice (35 points) Each question might have one or more correct answers.

(a) (5 points) In this program, there are paths to the statement ERROR. A. 1 B. 3 C. 4 D. 5 (b) (5 points) For test cases {a=0,b=1};{a=1,b=1} on this program, which option(s) is/are correct? A. It achieves 100% statement coverage B. Path coverage is 40% C. Path coverage is 20% D. There is no executed path to the statement ERROR (c) (5 points) Which option(s) is/are correct? A. Test cases {a=0,b=1};{a=1,b=1},{a=2,b=0} can achieve 100% branch coverage B. Test cases {a=0,b=1};{a=1,b=1},{a=2,b=0} can achieve 100% branch coverage C. It is impossible to achieve 100% branch coverage if the number of test case is less than 3 D. The number of total paths is 5 (d) (5 points) Which option(s) is/are correct? A. There exist a path include line 6 and line 9 B. There exist a path include line 6 and line 13 C. There exist a path include line 9 and line 13 D. There exist a path include line 9 but do not include line 6