Abstract: A method of screening test cases used to test a software system is provided. The method may include obtaining a number of times that a function node of the software system is triggered. A weight of the function node may be calculated based on the number of times that the function node is triggered. Further, test cases relevant to the function node may be screened according to the weight of the function node. Thus, a test case relevant to the function node that is triggered more frequently during an operation may be screened for. The number of times a function node is triggered may indicate a frequency with which the function node is used, and the function node that is frequently used may be of great importance. A system and a computer medium with instructions to provide improve testing of the software system are also provided.

Abstract: A method of screening for test cases comprises the following steps: obtaining the number of times that a function node is triggered; calculating the weight of the function node according to the number of times that the function node is triggered; and screening for a test case relevant to the function node according to the weight of the function node. In the above manner, a test case relevant to a function node that is triggered many times in actual operation can be screened for. If the function node is triggered many times, it indicates that the function node is frequently used, and the function node that is frequently used is of great importance.