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420b16c6d1
Summary: Support formatv of TimePoint with strftime-style formats. Extensions for millis/micros/nanos are added. Inital use case is HH:MM:SS.MMM timestamps in clangd logs. Reviewers: bkramer, ilya-biryukov Subscribers: labath, llvm-commits Differential Revision: https://reviews.llvm.org/D38992 llvm-svn: 316419
113 lines
3.9 KiB
C++
113 lines
3.9 KiB
C++
//===- llvm/unittest/Support/Chrono.cpp - Time utilities tests ------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/Chrono.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/Support/FormatVariadic.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace llvm::sys;
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using namespace std::chrono;
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namespace {
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TEST(Chrono, TimeTConversion) {
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EXPECT_EQ(time_t(0), toTimeT(toTimePoint(time_t(0))));
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EXPECT_EQ(time_t(1), toTimeT(toTimePoint(time_t(1))));
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EXPECT_EQ(time_t(47), toTimeT(toTimePoint(time_t(47))));
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TimePoint<> TP;
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EXPECT_EQ(TP, toTimePoint(toTimeT(TP)));
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TP += seconds(1);
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EXPECT_EQ(TP, toTimePoint(toTimeT(TP)));
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TP += hours(47);
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EXPECT_EQ(TP, toTimePoint(toTimeT(TP)));
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}
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TEST(Chrono, TimePointFormat) {
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using namespace std::chrono;
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struct tm TM {};
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TM.tm_year = 106;
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TM.tm_mon = 0;
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TM.tm_mday = 2;
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TM.tm_hour = 15;
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TM.tm_min = 4;
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TM.tm_sec = 5;
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TM.tm_isdst = -1;
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TimePoint<> T =
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system_clock::from_time_t(mktime(&TM)) + nanoseconds(123456789);
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// operator<< uses the format YYYY-MM-DD HH:MM:SS.NNNNNNNNN
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std::string S;
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raw_string_ostream OS(S);
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OS << T;
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EXPECT_EQ("2006-01-02 15:04:05.123456789", OS.str());
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// formatv default style matches operator<<.
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EXPECT_EQ("2006-01-02 15:04:05.123456789", formatv("{0}", T).str());
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// formatv supports strftime-style format strings.
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EXPECT_EQ("15:04:05", formatv("{0:%H:%M:%S}", T).str());
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// formatv supports our strftime extensions for sub-second precision.
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EXPECT_EQ("123", formatv("{0:%L}", T).str());
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EXPECT_EQ("123456", formatv("{0:%f}", T).str());
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EXPECT_EQ("123456789", formatv("{0:%N}", T).str());
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// our extensions don't interfere with %% escaping.
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EXPECT_EQ("%foo", formatv("{0:%%foo}", T).str());
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}
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// Test that toTimePoint and toTimeT can be called with a arguments with varying
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// precisions.
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TEST(Chrono, ImplicitConversions) {
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std::time_t TimeT = 47;
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TimePoint<seconds> Sec = toTimePoint(TimeT);
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TimePoint<milliseconds> Milli = toTimePoint(TimeT);
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TimePoint<microseconds> Micro = toTimePoint(TimeT);
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TimePoint<nanoseconds> Nano = toTimePoint(TimeT);
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EXPECT_EQ(Sec, Milli);
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EXPECT_EQ(Sec, Micro);
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EXPECT_EQ(Sec, Nano);
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EXPECT_EQ(TimeT, toTimeT(Sec));
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EXPECT_EQ(TimeT, toTimeT(Milli));
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EXPECT_EQ(TimeT, toTimeT(Micro));
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EXPECT_EQ(TimeT, toTimeT(Nano));
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}
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TEST(Chrono, DurationFormat) {
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EXPECT_EQ("1 h", formatv("{0}", hours(1)).str());
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EXPECT_EQ("1 m", formatv("{0}", minutes(1)).str());
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EXPECT_EQ("1 s", formatv("{0}", seconds(1)).str());
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EXPECT_EQ("1 ms", formatv("{0}", milliseconds(1)).str());
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EXPECT_EQ("1 us", formatv("{0}", microseconds(1)).str());
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EXPECT_EQ("1 ns", formatv("{0}", nanoseconds(1)).str());
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EXPECT_EQ("1 s", formatv("{0:+}", seconds(1)).str());
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EXPECT_EQ("1", formatv("{0:-}", seconds(1)).str());
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EXPECT_EQ("1000 ms", formatv("{0:ms}", seconds(1)).str());
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EXPECT_EQ("1000000 us", formatv("{0:us}", seconds(1)).str());
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EXPECT_EQ("1000", formatv("{0:ms-}", seconds(1)).str());
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EXPECT_EQ("1,000 ms", formatv("{0:+n}", milliseconds(1000)).str());
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EXPECT_EQ("0x3e8", formatv("{0:-x}", milliseconds(1000)).str());
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EXPECT_EQ("010", formatv("{0:-3}", milliseconds(10)).str());
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EXPECT_EQ("10,000", formatv("{0:ms-n}", seconds(10)).str());
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EXPECT_EQ("1.00 s", formatv("{0}", duration<float>(1)).str());
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EXPECT_EQ("0.123 s", formatv("{0:+3}", duration<float>(0.123f)).str());
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EXPECT_EQ("1.230e-01 s", formatv("{0:+e3}", duration<float>(0.123f)).str());
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typedef duration<float, std::ratio<60 * 60 * 24 * 14, 1000000>>
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microfortnights;
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EXPECT_EQ("1.00", formatv("{0:-}", microfortnights(1)).str());
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EXPECT_EQ("1209.60 ms", formatv("{0:ms}", microfortnights(1)).str());
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}
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} // anonymous namespace
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