| Issue |
79713
|
| Summary |
[libc][test] using `llvm-project/libc/test/UnitTest /ErrnoSetterMatcher.h` when applicable
|
| Labels |
libc
|
| Assignees |
|
| Reporter |
SchrodingerZhu
|
https://github.com/llvm/llvm-project/pull/79573 introduces macros for `errno` handling.
For unit tests, this can be further improved by using `ErrnoSetterMatcher`(which are clear errno properly to avoid interference with other tests).
For example,
```c++
int max_priority = LIBC_NAMESPACE::sched_get_priority_max(policy);
ASSERT_EQ(max_priority, -1);
ASSERT_EQ(libc_errno, EINVAL);
```
can be refactored into
```
ASSERT_THAT(LIBC_NAMESPACE::sched_get_priority_max(policy), returns(EQ(-1)),with_errno(EQ(EINVAL)));
```
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