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Hubert Tong 5aa34ef39a [lit][tests][AIX] Update expected form of diagnostic messages; use `not` to normalize non-zero exit values Summary: Various tests in the `lit` testing suite expect specific return codes and forms of diagnostic message from utility programs. As per POSIX.1-2017 XCU Section 1.4, Utility Description Defaults, "[the] format of diagnostic messages for most utilities is unspecified". The STDERR subsections of the `cat` and `wc` utilities merely indicate that "[the] standard error shall be used only for diagnostic messages". The corresponding EXIT STATUS subsections merely indicate, with regard to errors, an exit value of >0. The affected tests are updated to accept the applicable diagnostic message as produced by the utilities on AIX. The exit value is normalized using `not` as necessary. Reviewers: xingxue, sfertile, jasonliu Reviewed By: xingxue Subscribers: delcypher, jsji, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D60553 llvm-svn: 359690		2019-05-01 15:47:16 +00:00
..
examples
lit	[llvm] [lit] Add target-x86* features	2019-04-11 14:58:39 +00:00
tests	[lit][tests][AIX] Update expected form of diagnostic messages; use `not` to normalize non-zero exit values	2019-05-01 15:47:16 +00:00
utils
CMakeLists.txt
lit.py
MANIFEST.in
README.txt
setup.py	Adjust documentation for git migration.	2019-01-29 16:37:27 +00:00

README.txt

===============================
 lit - A Software Testing Tool
===============================

lit is a portable tool for executing LLVM and Clang style test suites,
summarizing their results, and providing indication of failures. lit is designed
to be a lightweight testing tool with as simple a user interface as possible.

=====================
 Contributing to lit
=====================

Please browse the Test Suite > lit category in LLVM's Bugzilla for ideas on
what to work on.

Before submitting patches, run the test suite to ensure nothing has regressed:

    # From within your LLVM source directory.
    utils/lit/lit.py \
        --path /path/to/your/llvm/build/bin \
        utils/lit/tests

Note that lit's tests depend on 'not' and 'FileCheck', LLVM utilities.
You will need to have built LLVM tools in order to run lit's test suite
successfully.

You'll also want to confirm that lit continues to work when testing LLVM.
Follow the instructions in http://llvm.org/docs/TestingGuide.html to run the
regression test suite:

    make check-llvm

And be sure to run the llvm-lit wrapper script as well:

    /path/to/your/llvm/build/bin/llvm-lit utils/lit/tests

Finally, make sure lit works when installed via setuptools:

    python utils/lit/setup.py install
    lit --path /path/to/your/llvm/build/bin utils/lit/tests