[lldb-dev] Running a single test

[Tamas Berghammer via lldb-dev]

Zachary's solution will work as well but that one won't make debugging the
test too easy (still using several processes). If you want to run just 1
test then you have to specify  --no-multiprocess and then you can use the
same flags as before (-p, -f)

On Tue, Feb 9, 2016 at 10:19 PM Zachary Turner via lldb-dev <
lldb-dev at lists.llvm.org> wrote:

> Try passing the directory to start in as the last argument.  Also make
> sure you include .py on the filename when using -p (I don't actually know
> if this is required but I do it).
>
> % python dotest.py
> --executable /tank/emaste/src/llvm/build-nodebug/bin/lldb -C /usr/bin/clang
> -v -t -p TestCppIncompleteTypes.py
> ~/src/llvm/tools/lldb/packages/Python/lldbsuite/test
>
> I don't know off the top of my head why that last argument is required,
> and I agree it's counterintuitive and probably doesn't *need* to be that
> way for technical reasons.
>
> LMK if this works
>
> On Tue, Feb 9, 2016 at 2:01 PM Ed Maste via lldb-dev <
> lldb-dev at lists.llvm.org> wrote:
>
>> I've been away from LLDB development for a little while but am
>> starting to work on it again.
>>
>> I used to run a few tests using dotest.py's -f or -p flags, but they
>> don't seem to be working now.
>>
>>   -f filterspec         Specify a filter, which consists of the test class
>>                         name, a dot, followed by the test method, to only
>>                         admit such test into the test suite
>>   -p pattern            Specify a regexp filename pattern for inclusion
>> in the
>>                         test suite
>>
>> For example, I'd expect this command:
>>
>> % python dotest.py --executable
>> /tank/emaste/src/llvm/build-nodebug/bin/lldb -C /usr/bin/clang -v -t
>> -p TestCppIncompleteTypes
>>
>> to run just the TestCppIncompleteTypes.py test(s), but instead it
>> looks like it runs the full suite.
>>
>> I'd also expect
>>
>> % python dotest.py --executable
>> /tank/emaste/src/llvm/build-nodebug/bin/lldb -C /usr/bin/clang -v -t
>> -f TestCppIncompleteTypes.test_limit_debug_info
>>
>> to run a single test from the same suite, but it runs no tests
>> ("Collected 0 tests").
>>
>> I'm sure these options used to work, although this could be an issue
>> that affects only FreeBSD. Do they work on Linux/OS X?
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