Unverified Commit 6d53fdea authored by lntue's avatar lntue Committed by GitHub
Browse files

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

Only check if gettimeofday call succeeds.
parent ab76a7c5

libc/test/src/time/CMakeLists.txt

+0 −7
Original line number Diff line number Diff line
@@ -56,16 +56,9 @@ add_libc_unittest( 
    libc_time_unittests

  SRCS

    gettimeofday_test.cpp

  HDRS

    TmHelper.h

    TmMatcher.h

  CXX_STANDARD

    20

  DEPENDS

    libc.include.time

    libc.src.time.gettimeofday

    libc.src.time.nanosleep

    libc.src.errno.errno

)



add_libc_unittest(

libc/test/src/time/gettimeofday_test.cpp

+2 −25
Original line number Diff line number Diff line
@@ -9,33 +9,10 @@ 
#include <time.h>



#include "src/time/gettimeofday.h"

#include "src/time/nanosleep.h"

#include "test/UnitTest/ErrnoSetterMatcher.h"

#include "test/UnitTest/Test.h"



namespace cpp = LIBC_NAMESPACE::cpp;



TEST(LlvmLibcGettimeofday, SmokeTest) {

  using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;

  void *tz = nullptr;

  timeval tv;



  suseconds_t sleep_times[2] = {200, 1000};

  for (int i = 0; i < 2; i++) {

    int ret = LIBC_NAMESPACE::gettimeofday(&tv, tz);

    ASSERT_EQ(ret, 0);



    suseconds_t sleep_time = sleep_times[i];

    // Sleep for {sleep_time} microsceconds.

    timespec tim = {0, sleep_time * 1000};

    timespec tim2 = {0, 0};

    ret = LIBC_NAMESPACE::nanosleep(&tim, &tim2);



    // Call gettimeofday again and verify that it is more {sleep_time}

    // microscecods.

    timeval tv1;

    ret = LIBC_NAMESPACE::gettimeofday(&tv1, tz);

  int ret = LIBC_NAMESPACE::gettimeofday(&tv, nullptr);

  ASSERT_EQ(ret, 0);

    ASSERT_GE(tv1.tv_usec - tv.tv_usec, sleep_time);

  }

}