llvm/unittests/Support/UTCTimeTest.cpp

   1 //===- unittests/Support/UTCTimeTest.cpp ----------------- ----------------===//
   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 #include "llvm/Support/Chrono.h"
  10 #include "gtest/gtest.h"
  11 #include "llvm/Support/CommandLine.h"
  12 #include "llvm/Support/FormatProviders.h"
  13 #include "llvm/Support/FormatVariadic.h"
  14
  15 namespace llvm {
  16 namespace sys {
  17 namespace {
  18
  19 TEST(UTCTime, convertutc) {
  20   // Get the current time.
  21   time_t currentTime;
  22   time(&currentTime);
  23
  24   // Convert with toUtcTime.
  25   SmallString<15> customResultString;
  26   raw_svector_ostream T(customResultString);
  27   T << formatv("{0:%Y-%m-%d %H:%M:%S}", llvm::sys::toUtcTime(currentTime));
  28
  29   // Convert with gmtime.
  30   char gmtimeResultString[20];
  31   std::tm *gmtimeResult = std::gmtime(&currentTime);
  32   assert(gmtimeResult != NULL);
  33   std::strftime(gmtimeResultString, 20, "%Y-%m-%d %H:%M:%S", gmtimeResult);
  34
  35   // Compare the formatted strings.
  36   EXPECT_EQ(customResultString, StringRef(gmtimeResultString, 19));
  37
  38 }
  39 } // namespace
  40 } // namespace sys
  41 } // namespace llvm