llvm-project.git/libc/test/src/time/gettimeofday_test.cpp, branch users/nico/python-2

[libc][NFC] Cleanup time.h (#122027)

2025-01-08T20:28:50+00:00

While working on strftime I noticed some constants were being defined in
unexpected places. One thing led to another, and I ended up doing a
major cleanup of the time functions.

What's included:
All uses of  in /src and /test removed (except for LibcTest.cpp)
The various time constants have been moved to time_constants.h, and the
`time_constants` namespace.
struct tm gets its own type indirection header now.

[libc][NFC] Attempt to deflake gettimeofday_test. (#69719)

2023-10-20T15:08:01+00:00

Only check if gettimeofday call succeeds.

[libc][NFC] Forcing data type in gettimeofday_test when comparing the diff. (#69652)

2023-10-19T23:49:59+00:00

[libc] Mass replace enclosing namespace (#67032)

2023-09-26T09:45:04+00:00

This is step 4 of
https://discourse.llvm.org/t/rfc-customizable-namespace-to-allow-testing-the-libc-when-the-system-libc-is-also-llvms-libc/73079

[libc] Fix test passing negative value in timespec passed to nanosleep (#65346)

2023-09-06T18:28:31+00:00

This test was setting tv_nsec to a negative value, which as per the
standard this is an EINVAL:

The value in the tv_nsec field was not in the range [0, 999999999] or
tv_sec was negative.

https://man7.org/linux/man-pages/man2/nanosleep.2.html

[libc] Make ErrnoSetterMatcher handle logging floating point values.

2023-05-26T06:24:51+00:00

Along the way, couple of additional things have been done:

1. Move `ErrnoSetterMatcher.h` to `test/UnitTest` as all other matchers live
   there now.
2. `ErrnoSetterMatcher` ignores matching `errno` on GPUs.

Reviewed By: jhuber6

Differential Revision: https://reviews.llvm.org/D151129

[libc][NFC] Switch use of errno in src/time and test/src/time to libc_errno.

2023-03-02T22:41:19+00:00

Switch use of errno in src/time and test/src/time to libc_errno.

Reviewed By: sivachandra

Differential Revision: https://reviews.llvm.org/D145192

[libc][NFC] Move UnitTest and IntegrationTest to the 'test' directory.

2023-02-07T19:45:51+00:00

This part of the effort to make all test related pieces into the `test`
directory. This helps is excluding test related pieces in a straight
forward manner if LLVM_INCLUDE_TESTS is OFF. Future patches will also move
the MPFR wrapper and testutils into the 'test' directory.

[libc] cleanup changes to gettimeofday.

2022-11-15T23:06:35+00:00

+ Deleted duplicate definitions of StructTimeVal and StructTimeValPtr.
+ Caled syscall  clock_gettime to get timespec data.
+ Added tests to test for sleeping 200 and 1000 microseconds.
+ Fixed comments from https://reviews.llvm.org/D137881

Reviewed By: sivachandra

Differential Revision: https://reviews.llvm.org/D138064

[libc] Implement gettimeofday

2022-11-12T02:02:33+00:00

Implement gettimeofday per
.../onlinepubs/9699919799/functions/gettimeofday.html.
This call clock_gettime to implement gettimeofday function.

Tested:
Limited unit test: This makes a call and checks that no error was
returned. Used nanosleep for 100 microseconds and verfified it
returns a value that elapses more than 100 microseconds and less
than 300 microseconds.

Co-authored-by: Jeff Bailey 

Differential Revision: https://reviews.llvm.org/D137881