xref: /llvm-project/llvm/unittests/Support/UTCTimeTest.cpp (revision 1c9035d1b5a9af89fccf06fa0c45f0096b063983) 
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 
TEST(UTCTime,convertutc)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
42