Have a look at TAP for unit testing. Its what Perl uses for testing the innards of Perl (specifically CPAN submissions), CCAN adopted it. I'm assuming C (you did say a.out). Then, simply make your read function fail if 2,2 is read (hinting on 3 bytes) if NDEBUG is not defined.
You could use something else, like -DUNIT_TESTS_RUNNING, just watch out for dependencies.
Then again, if the function you are testing returns a string .. no need to bother the preprocessor, let the test figure that out.
TAP is really, really easy to integrate. You can find my ad-hoc Valgrind aware version here. Note, that is not proper, that repo is a mess, but worth showing how easy it is to make other tools work with TAP.
Incidentally, TAP : (T)est (A)nything (P)rotocol
If this is NOT C, you need to re-tag your question.
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查看 TAP 进行单元测试。 Perl 使用它来测试 Perl 的内部结构（特别是 CPAN 提交），CCAN 采用了它。我假设是 C（你确实说过
a.out）。然后，如果NDEBUG未定义，则在读取2,2（暗示 3 个字节）时，只需使读取函数失败。您可以使用其他东西，例如
-DUNIT_TESTS_RUNNING，只需注意依赖关系。再说一遍，如果您正在测试的函数返回一个字符串..无需打扰预处理器，让测试弄清楚这一点。
TAP 确实非常容易集成。您可以在此处找到我的临时Valgrind 感知版本< /a>.请注意，这是不正确的，该存储库一团糟，但值得展示的是让其他工具与 TAP 一起工作是多么容易。
顺便说一句， TAP : (T)est (A)nything (P)rotocol
如果这不是 C，您需要重新标记您的问题。
Have a look at TAP for unit testing. Its what Perl uses for testing the innards of Perl (specifically CPAN submissions), CCAN adopted it. I'm assuming C (you did say
a.out). Then, simply make your read function fail if2,2is read (hinting on 3 bytes) ifNDEBUGis not defined.You could use something else, like
-DUNIT_TESTS_RUNNING, just watch out for dependencies.Then again, if the function you are testing returns a string .. no need to bother the preprocessor, let the test figure that out.
TAP is really, really easy to integrate. You can find my ad-hoc Valgrind aware version here. Note, that is not proper, that repo is a mess, but worth showing how easy it is to make other tools work with TAP.
Incidentally, TAP : (T)est (A)nything (P)rotocol
If this is NOT C, you need to re-tag your question.