| //===- llvm/unittest/Support/Chrono.cpp - Time utilities tests ------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/Support/Chrono.h" |
| #include "llvm/ADT/SmallVector.h" |
| #include "llvm/Support/FormatVariadic.h" |
| #include "gtest/gtest.h" |
| |
| using namespace llvm; |
| using namespace llvm::sys; |
| using namespace std::chrono; |
| |
| namespace { |
| |
| TEST(Chrono, TimeTConversion) { |
| EXPECT_EQ(time_t(0), toTimeT(toTimePoint(time_t(0)))); |
| EXPECT_EQ(time_t(1), toTimeT(toTimePoint(time_t(1)))); |
| EXPECT_EQ(time_t(47), toTimeT(toTimePoint(time_t(47)))); |
| |
| TimePoint<> TP; |
| EXPECT_EQ(TP, toTimePoint(toTimeT(TP))); |
| TP += seconds(1); |
| EXPECT_EQ(TP, toTimePoint(toTimeT(TP))); |
| TP += hours(47); |
| EXPECT_EQ(TP, toTimePoint(toTimeT(TP))); |
| } |
| |
| TEST(Chrono, TimePointFormat) { |
| using namespace std::chrono; |
| struct tm TM {}; |
| TM.tm_year = 106; |
| TM.tm_mon = 0; |
| TM.tm_mday = 2; |
| TM.tm_hour = 15; |
| TM.tm_min = 4; |
| TM.tm_sec = 5; |
| TM.tm_isdst = -1; |
| TimePoint<> T = |
| system_clock::from_time_t(mktime(&TM)) + nanoseconds(123456789); |
| |
| // operator<< uses the format YYYY-MM-DD HH:MM:SS.NNNNNNNNN |
| std::string S; |
| raw_string_ostream OS(S); |
| OS << T; |
| EXPECT_EQ("2006-01-02 15:04:05.123456789", OS.str()); |
| |
| // formatv default style matches operator<<. |
| EXPECT_EQ("2006-01-02 15:04:05.123456789", formatv("{0}", T).str()); |
| // formatv supports strftime-style format strings. |
| EXPECT_EQ("15:04:05", formatv("{0:%H:%M:%S}", T).str()); |
| // formatv supports our strftime extensions for sub-second precision. |
| EXPECT_EQ("123", formatv("{0:%L}", T).str()); |
| EXPECT_EQ("123456", formatv("{0:%f}", T).str()); |
| EXPECT_EQ("123456789", formatv("{0:%N}", T).str()); |
| // our extensions don't interfere with %% escaping. |
| EXPECT_EQ("%foo", formatv("{0:%%foo}", T).str()); |
| } |
| |
| // Test that toTimePoint and toTimeT can be called with a arguments with varying |
| // precisions. |
| TEST(Chrono, ImplicitConversions) { |
| std::time_t TimeT = 47; |
| TimePoint<seconds> Sec = toTimePoint(TimeT); |
| TimePoint<milliseconds> Milli = toTimePoint(TimeT); |
| TimePoint<microseconds> Micro = toTimePoint(TimeT); |
| TimePoint<nanoseconds> Nano = toTimePoint(TimeT); |
| EXPECT_EQ(Sec, Milli); |
| EXPECT_EQ(Sec, Micro); |
| EXPECT_EQ(Sec, Nano); |
| EXPECT_EQ(TimeT, toTimeT(Sec)); |
| EXPECT_EQ(TimeT, toTimeT(Milli)); |
| EXPECT_EQ(TimeT, toTimeT(Micro)); |
| EXPECT_EQ(TimeT, toTimeT(Nano)); |
| } |
| |
| TEST(Chrono, DurationFormat) { |
| EXPECT_EQ("1 h", formatv("{0}", hours(1)).str()); |
| EXPECT_EQ("1 m", formatv("{0}", minutes(1)).str()); |
| EXPECT_EQ("1 s", formatv("{0}", seconds(1)).str()); |
| EXPECT_EQ("1 ms", formatv("{0}", milliseconds(1)).str()); |
| EXPECT_EQ("1 us", formatv("{0}", microseconds(1)).str()); |
| EXPECT_EQ("1 ns", formatv("{0}", nanoseconds(1)).str()); |
| |
| EXPECT_EQ("1 s", formatv("{0:+}", seconds(1)).str()); |
| EXPECT_EQ("1", formatv("{0:-}", seconds(1)).str()); |
| |
| EXPECT_EQ("1000 ms", formatv("{0:ms}", seconds(1)).str()); |
| EXPECT_EQ("1000000 us", formatv("{0:us}", seconds(1)).str()); |
| EXPECT_EQ("1000", formatv("{0:ms-}", seconds(1)).str()); |
| |
| EXPECT_EQ("1,000 ms", formatv("{0:+n}", milliseconds(1000)).str()); |
| EXPECT_EQ("0x3e8", formatv("{0:-x}", milliseconds(1000)).str()); |
| EXPECT_EQ("010", formatv("{0:-3}", milliseconds(10)).str()); |
| EXPECT_EQ("10,000", formatv("{0:ms-n}", seconds(10)).str()); |
| |
| EXPECT_EQ("1.00 s", formatv("{0}", duration<float>(1)).str()); |
| EXPECT_EQ("0.123 s", formatv("{0:+3}", duration<float>(0.123f)).str()); |
| EXPECT_EQ("1.230e-01 s", formatv("{0:+e3}", duration<float>(0.123f)).str()); |
| |
| typedef duration<float, std::ratio<60 * 60 * 24 * 14, 1000000>> |
| microfortnights; |
| EXPECT_EQ("1.00", formatv("{0:-}", microfortnights(1)).str()); |
| EXPECT_EQ("1209.60 ms", formatv("{0:ms}", microfortnights(1)).str()); |
| } |
| |
| } // anonymous namespace |