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Summary: The formatter has three knobs: - the user can choose which time unit to use for formatting (default: whatever is the unit of the input) - he can choose whether the unit gets displayed (default: yes) - he can affect the way the number itself is formatted via standard number formatting options (default:default) Reviewers: zturner, inglorion Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D29481 llvm-svn: 294326
111 lines
3.7 KiB
C++
111 lines
3.7 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, StringConversion) {
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std::string S;
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raw_string_ostream OS(S);
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OS << system_clock::now();
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// Do a basic sanity check on the output.
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// The format we expect is YYYY-MM-DD HH:MM:SS.MMMUUUNNN
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StringRef Date, Time;
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std::tie(Date, Time) = StringRef(OS.str()).split(' ');
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SmallVector<StringRef, 3> Components;
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Date.split(Components, '-');
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ASSERT_EQ(3u, Components.size());
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EXPECT_EQ(4u, Components[0].size());
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EXPECT_EQ(2u, Components[1].size());
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EXPECT_EQ(2u, Components[2].size());
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StringRef Sec, Nano;
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std::tie(Sec, Nano) = Time.split('.');
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Components.clear();
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Sec.split(Components, ':');
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ASSERT_EQ(3u, Components.size());
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EXPECT_EQ(2u, Components[0].size());
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EXPECT_EQ(2u, Components[1].size());
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EXPECT_EQ(2u, Components[2].size());
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EXPECT_EQ(9u, Nano.size());
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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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