我在macosx平台上使用gcov进行覆盖测试。我通过set:
完成xcode的配置1. Build Settings ==> Generate Test Coverage Files == Yes
2. Build Settings ==> Instrument Progaram Flow == Yes
3. Build Phases ==> Link Binary with library ==> add "libprofile_rt.dylib"
然后生成文件“Test.d, Test.dia, Test.gcno, Test.gcda, Test.o
”
然后我用gcov-4.2 -b Test.gcno
命令生成Test.m.gcov
文件(这就是我想要的),但下次当我再次运行测试用例时,将再次生成文件“Test.d, Test.dia, Test.gcno, Test.gcda, Test.o
”,并且数据将被重置。
所以我有两个问题:
如果#1没有希望,你能告诉我如何将merge two Test.gcno
文件(由两次'运行生成)合二为一。我在终端尝试gcov,下面是gcov命令的选项:
gcov-4.2 -help
Usage: gcov [OPTION]... SOURCEFILE
Print code coverage information.
-h, --help Print this help, then exit
-v, --version Print version number, then exit
-a, --all-blocks Show information for every basic block
-b, --branch-probabilities Include branch probabilities in output
-c, --branch-counts Given counts of branches taken
rather than percentages
-n, --no-output Do not create an output file
-l, --long-file-names Use long output file names for included
source files
-f, --function-summaries Output summaries for each function
-o, --object-directory DIR|FILE Search for object files in DIR or called FILE
-p, --preserve-paths Preserve all pathname components
-u, --unconditional-branches Show unconditional branch counts too
For bug reporting instructions, please see:
<URL:http://developer.apple.com/bugreporter>.
提前感谢您的所有帮助
答案 0 :(得分:15)
gcov
的常用工作流程是
-fprofile-arcs -ftest-coverage
).gcda
文件gcov
以人类可读的格式获取覆盖率统计信息(.gcov
)基本上,连续运行应用程序将导致累积的覆盖率统计。只是这些累积将发生在.gcda
文件中,而不是.gcov
个文件中,因此每次要查看更新的统计信息时都必须重新运行gcov