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Priority ranking method for combination testing cases based on coverage intensity increment

A technology of prioritization and test cases, applied in software testing/debugging, error detection/correction, instrumentation, etc., can solve problems such as the large scale of test case sets, reduce test costs, avoid scale expansion, and improve error detection efficiency Effect

Active Publication Date: 2018-08-17
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0004] In order to solve the deficiencies in the prior art, the purpose of the present invention is to provide a method for prioritizing combined test cases based on coverage increments, which solves the problem that the scale of test case sets generated in previous incremental adaptive combined test methods is often biased. big flaw

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  • Priority ranking method for combination testing cases based on coverage intensity increment
  • Priority ranking method for combination testing cases based on coverage intensity increment
  • Priority ranking method for combination testing cases based on coverage intensity increment

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, but not to limit the protection scope of the present invention.

[0037] The invention provides a method for prioritizing combined test cases based on coverage increments. This method uses a high-performance combination design algorithm to generate a small-scale fixed-strength N-dimensional combination test case set that does not contain redundant test cases. Redundant test cases refer to the number of test case sets after deleting the test case. Coverage is not affected. According to the idea of ​​combined testing based on incremental coverage, the test cases in the entire combined test case set are prioritized according to N-1 test phases. First, for the value combination of binary factors, some test cases in the combined test case set are prioritized unt...

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Abstract

The invention discloses a priority ranking method for combination testing cases based on a coverage intensity increment. The method is characterized by comprising the following steps that 1) data is initialized; 2) a first testing case of a testing case sequence set is determined; 3) a following testing case sequence in the testing sequence set is determined. The method has the advantages that according to the sequence of the combination coverage intensity from low to high, the small-scale fixation intensity N-dimension combination testing case set is generated through a high-performance combination design method, and the defect of scale expansion of the testing case set possibly caused when a high-dimension combination testing case is iteratively generated is overcome; at each stage, thetesting cases with the number as small as possible are used, and accordingly the testing cost is reduced; at each testing stage, according to the coverage amount of each testing case and the combination coverage capacity for the higher dimension, the covered factor value combination is covered as early as possible and as quick as possible, and the error detection efficiency is further improved.

Description

technical field [0001] The invention relates to a method for prioritizing combined test cases based on coverage increments, and belongs to the technical field of combined testing. Background technique [0002] With the continuous development of computer applications, software products also increase, and the quality of software is becoming more and more important. As an important means to ensure and improve software quality, software testing generates test cases according to the system to be tested, runs the system to be tested through the generated test cases, and finds faults. The purpose of software testing is to discover various defects and problems in software products as soon as possible, and the scale and error detection ability of test case collection directly determine the effectiveness of software testing. Therefore, the key to software testing is to use a test case set with as small a scale as possible and a high error detection rate as possible. [0003] Combina...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/36
CPCG06F11/3676G06F11/3684
Inventor 王子元佘飞燕
Owner NANJING UNIV OF POSTS & TELECOMM
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