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In software engineering, code coverage, also called test coverage, is a percentage measure of the degree to which the source code of a program is executed when a particular test suite is run. A program with high code coverage has more of its source code executed during testing, which suggests it has a lower chance of containing undetected ...
Test coverage in the test plan states what requirements will be verified during what stages of the product life. Test coverage is derived from design specifications and other requirements, such as safety standards or regulatory codes, where each requirement or specification of the design ideally will have one or more corresponding means of verification.
Coverage data obtained in different instrumentation or test runs can be merged. it is possible to dump or reset coverage data remotely and without a JVM exit. does not require access to the source code and degrades gracefully with decreasing amount of debug information available in the input classes.
Code coverage as a software metric can be reported as a percentage for: [31] [35] [36] Function coverage, which reports on functions executed; Statement coverage, which reports on the number of lines executed to complete the test; Decision coverage, which reports on whether both the True and the False branch of a given test has been executed
Test coverage refers to the percentage of software requirements that are tested by black-box testing for a system or application. [7] This is in contrast with code coverage , which examines the inner workings of a program and measures the degree to which the source code of a program is executed when a test suite is run. [ 8 ]
gcov produces a test coverage analysis of a specially instrumented program.The options -fprofile-arcs -ftest-coverage should be used to compile the program for coverage analysis (first option to record branch statistics and second to save line execution count); -fprofile-arcs should also be used to link the program. [2]
A fault coverage test passes when at least a specified percentage of all possible faults can be detected. If it does not pass, at least three options are possible. First, the designer can augment or otherwise improve the vector set, perhaps by using a more effective automatic test pattern generation tool. Second, the circuit may be re-defined ...
The condition/decision criterion does not guarantee the coverage of all conditions in the module because in many test cases, some conditions of a decision are masked by the other conditions. Using the modified condition/decision criterion, each condition must be shown to be able to act on the decision outcome by itself, everything else being ...
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