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Aaron Smith da573c6edd [lit] Fix problem in how Python versions open files with different encodings Summary: This issue was found when running the clang unit test on Windows. Python 3.x cannot open some of the files that the tests are using with a simple open because of their encoding. Python 2.7+ and Python 3.x both support io.open which allows for an encoding to be specified. This change will determine whether two files being compared should be opened (and then compared) as text or binary and whether to use utf-8 or the default encoding before proceeding with a line-by-line comparison. Patch by Stella Stamenova! Reviewers: zturner, llvm-commits, rnk, MaggieYi Reviewed By: zturner Subscribers: asmith, MatzeB, stella.stamenova, delcypher, llvm-commits Differential Revision: https://reviews.llvm.org/D43165 llvm-svn: 329012		2018-04-02 20:57:06 +00:00
..
examples
lit	[lit] Fix problem in how Python versions open files with different encodings	2018-04-02 20:57:06 +00:00
tests	Revert "[lit] Temporarily disable shtest-timeout.py on darwin"	2018-03-28 13:55:13 +00:00
utils
CMakeLists.txt	[lit] Add a test for the builtin config map.	2017-09-21 16:18:28 +00:00
lit.py	[lit] Undo the patch to stop writing pyc files.	2017-09-20 20:31:24 +00:00
MANIFEST.in
README.txt
setup.py

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