| //===- llvm/unittest/Support/TimeValueTest.cpp - Time Value tests ---------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "gtest/gtest.h" |
| #include "llvm/Support/TimeValue.h" |
| #include <time.h> |
| |
| using namespace llvm; |
| namespace { |
| |
| TEST(TimeValue, time_t) { |
| sys::TimeValue now = sys::TimeValue::now(); |
| time_t now_t = time(nullptr); |
| EXPECT_TRUE(std::abs(static_cast<long>(now_t - now.toEpochTime())) < 2); |
| } |
| |
| TEST(TimeValue, Win32FILETIME) { |
| uint64_t epoch_as_filetime = 0x19DB1DED53E8000ULL; |
| uint32_t ns = 765432100; |
| sys::TimeValue epoch; |
| |
| // FILETIME has 100ns of intervals. |
| uint64_t ft1970 = epoch_as_filetime + ns / 100; |
| epoch.fromWin32Time(ft1970); |
| |
| // The "seconds" part in Posix time may be expected as zero. |
| EXPECT_EQ(0u, epoch.toEpochTime()); |
| EXPECT_EQ(ns, static_cast<uint32_t>(epoch.nanoseconds())); |
| |
| // Confirm it reversible. |
| EXPECT_EQ(ft1970, epoch.toWin32Time()); |
| } |
| |
| } |