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llvm-project/libc/test/UnitTest
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Tue Ly 055be3c30c [libc] Enable hermetic floating point tests again. 
Fixing an issue with LLVM libc's fenv.h defined rounding mode macros
differently from system libc, making get_round() return different values from
fegetround().  Also letting math tests to skip rounding modes that cannot be
set.  This should allow math tests to be run on platforms in which fenv.h is not
implemented yet.

This allows us to re-enable hermatic floating point tests in
https://reviews.llvm.org/D151123 and reverting https://reviews.llvm.org/D152742.

Reviewed By: jhuber6

Differential Revision: https://reviews.llvm.org/D152873
2023-06-14 10:53:35 -04:00
..
BazelFilePath.cpp
[libc][bazel] add file printf targets and support
2023-04-26 14:30:48 -07:00
CmakeFilePath.cpp
[libc][bazel] add file printf targets and support
2023-04-26 14:30:48 -07:00
CMakeLists.txt
[libc] Enable hermetic floating point tests again.
2023-06-14 10:53:35 -04:00
ErrnoSetterMatcher.h
[libc][NFC] Clean up matchers namespace
2023-06-10 06:55:16 +00:00
ExecuteFunction.h
[libc][NFC] Move ExecuteFunction test util to test/UnitTest.
2023-04-18 16:17:42 +00:00
ExecuteFunctionUnix.cpp
[libc][NFC] Move ExecuteFunction test util to test/UnitTest.
2023-04-18 16:17:42 +00:00
FPExceptMatcher.cpp
[libc][NFC] Clean up matchers namespace
2023-06-10 06:55:16 +00:00
FPExceptMatcher.h
[libc][NFC] Clean up matchers namespace
2023-06-10 06:55:16 +00:00
FPMatcher.h
[libc] Enable hermetic floating point tests again.
2023-06-14 10:53:35 -04:00
FuchsiaTest.h
…
HermeticTestUtils.cpp
[libc] Add a functioning realloc for hermetic tests.
2023-05-18 16:51:18 +00:00
LibcDeathTestExecutors.cpp
[libc][NFC] Introduce a Location object for consistent failure logging
2023-06-10 06:58:15 +00:00
LibcTest.cpp
[libc] Enable custom logging in LibcTest
2023-06-14 13:37:50 +00:00
LibcTest.h
[libc] Enable custom logging in LibcTest
2023-06-14 13:37:50 +00:00
LibcTestMain.cpp
[libc] Add rule named add_libc_hermetic_test which adds a hermetic test.
2023-04-24 22:43:59 +00:00
MemoryMatcher.cpp
[libc][NFC] Clean up matchers namespace
2023-06-10 06:55:16 +00:00
MemoryMatcher.h
[libc][NFC] Clean up matchers namespace
2023-06-10 06:55:16 +00:00
PigweedTest.h
[libc] Support running tests for Pigweed
2023-02-16 16:39:09 +00:00
PlatformDefs.h
…
PrintfMatcher.cpp
[libc][NFC] Clean up matchers namespace
2023-06-10 06:55:16 +00:00
PrintfMatcher.h
[libc][NFC] Clean up matchers namespace
2023-06-10 06:55:16 +00:00
README.md
…
RoundingModeUtils.cpp
[libc] Enable hermetic floating point tests again.
2023-06-14 10:53:35 -04:00
RoundingModeUtils.h
[libc] Enable hermetic floating point tests again.
2023-06-14 10:53:35 -04:00
ScanfMatcher.cpp
[libc][NFC] Clean up matchers namespace
2023-06-10 06:55:16 +00:00
ScanfMatcher.h
[libc][NFC] Clean up matchers namespace
2023-06-10 06:55:16 +00:00
StringUtils.h
[libc][NFC] Remove the StreamWrapper class and use the new test logger.
2023-04-17 15:48:18 +00:00
Test.h
[libc][NFC] Fixing various typos
2023-05-31 12:11:09 +00:00
TestLogger.cpp
[libc] Enable custom logging in LibcTest
2023-06-14 13:37:50 +00:00
TestLogger.h
[re-reland][libc] Adds string and TestLogger classes, use them in LibcTest
2023-04-03 13:10:30 +00:00

README.md

The LLVM libc unit test framework

This directory contains a lightweight implementation of a gtest like unit test framework for LLVM libc.

Why not gtest?

While gtest is great, featureful and time tested, it uses the C and C++ standard libraries. Hence, using it to test LLVM libc (which is also an implementation of the C standard libraries) causes various kinds of mixup/conflict problems.

How is it different from gtest?

LLVM libc's unit test framework is much less featureful as compared to gtest. But, what is available strives to be exactly like gtest.

Will it be made as featureful as gtest in future?

It is not clear if LLVM libc needs/will need every feature of gtest. We only intend to extend it on an as needed basis. Hence, it might never be as featureful as gtest.