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Vital Program Testing Guidelines Principle {摘自<测试的艺术>}
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/ 个人分类：测试基础知识
Vital Program Testing Guidelines Principle
1 A necessary part of a test case is a definition of the expected output or result.
2 A programmer should avoid attempting to test his or her own program.
3 A programming organization should not test its own programs.
4 Thoroughly inspect the results of each test.
5 Test cases must be written for input conditions that are invalid and unexpected, as well as for those that are valid and
expected.
6 Examining a program to see if it does not do what it is supposed to do is only half the battle; the other half is seeing
whether the program does what it is not supposed to do.
7 Avoid throwaway test cases unless the program is truly a throwaway program.
8 Do not plan a testing effort under the tacit assumption that no errors will be found.
9 The probability of the existence of more errors in a section of a program is proportional to the number of errors already
found in that section.
10 Testing is an extremely creative and intellectually challenging task
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