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[libcxx] Add UNSUPPORTED tag to lit. It mirrors REQUIRES.

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Summary:
This patch adds support for // UNSUPPORTED: feature. If an excluded feature is found in the list of available features then the test is marked unsupported.

I hope to use this to mark test unsupported if the fail with msan on asan. As well as tests that fail in particular standard modes.


Reviewers: mclow.lists, danalbert

Reviewed By: danalbert

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D4950

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@215883 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier 2014-08-18 06:43:06 +00:00
parent caf1c029cb
commit da98ce033e
1 changed files with 11 additions and 0 deletions
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11
test/lit.cfg
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@ -64,6 +64,7 @@ class LibcxxTestFormat(lit.formats.FileBasedTest):
def _execute(self, test, lit_config):
# Extract test metadata from the test file.
requires = []
unsupported = []
with open(test.getSourcePath()) as f:
for ln in f:
if 'XFAIL:' in ln:
@ -72,6 +73,9 @@ class LibcxxTestFormat(lit.formats.FileBasedTest):
elif 'REQUIRES:' in ln:
items = ln[ln.index('REQUIRES:') + 9:].split(',')
requires.extend([s.strip() for s in items])
elif 'UNSUPPORTED:' in ln:
items = ln[ln.index('UNSUPPORTED:') + 12:].split(',')
unsupported.extend([s.strip() for s in items])
elif not ln.strip().startswith("//") and ln.strip():
# Stop at the first non-empty line that is not a C++
# comment.
@ -89,6 +93,13 @@ class LibcxxTestFormat(lit.formats.FileBasedTest):
"Test requires the following features: %s" % (
', '.join(missing_required_features),))
unsupported_features = [f for f in unsupported
if f in test.config.available_features]
if unsupported_features:
return (lit.Test.UNSUPPORTED,
"Test is unsupported with the following features: %s" % (
', '.join(unsupported_features),))
# Evaluate the test.
return self._evaluate_test(test, lit_config)