libcxx/test/std/depr/depr.c.headers/time_h.compile.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // test <time.h>
  10
  11 #include <time.h>
  12
  13 #include "test_macros.h"
  14
  15 #ifndef NULL
  16 #error NULL not defined
  17 #endif
  18
  19 #ifndef CLOCKS_PER_SEC
  20 #error CLOCKS_PER_SEC not defined
  21 #endif
  22
  23 clock_t c = 0;
  24 size_t s = 0;
  25 time_t t = 0;
  26 tm tmv = {};
  27 char* c1 = 0;
  28 const char* c2 = 0;
  29 ASSERT_SAME_TYPE(clock_t, decltype(clock()));
  30 ASSERT_SAME_TYPE(double,  decltype(difftime(t, t)));
  31 ASSERT_SAME_TYPE(time_t,  decltype(mktime(&tmv)));
  32 ASSERT_SAME_TYPE(time_t,  decltype(time(&t)));
  33 ASSERT_SAME_TYPE(char*,   decltype(asctime(&tmv)));
  34 ASSERT_SAME_TYPE(char*,   decltype(ctime(&t)));
  35 ASSERT_SAME_TYPE(tm*,     decltype(gmtime(&t)));
  36 ASSERT_SAME_TYPE(tm*,     decltype(localtime(&t)));
  37 ASSERT_SAME_TYPE(size_t,  decltype(strftime(c1, s, c2, &tmv)));