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// Copyright (C) 2023 Intel Corporation.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QTest>
#include <QtCore/qtypes.h>
#include <memory>
#include <q20chrono.h>
using ToStringFunction = std::function<char *()>;
class tst_toString : public QObject
{
Q_OBJECT
private:
void addColumns();
void testRows();
private slots:
void int128();
void chrono_duration_data();
void chrono_duration() { testRows(); }
};
void tst_toString::addColumns()
{
QTest::addColumn<ToStringFunction>("fn");
QTest::addColumn<QByteArray>("expected");
QTest::addColumn<QByteArrayView>("expr");
QTest::addColumn<QByteArrayView>("file");
QTest::addColumn<int>("line");
}
void tst_toString::testRows()
{
QFETCH(ToStringFunction, fn);
QFETCH(const QByteArray, expected);
QFETCH(QByteArrayView, expr);
QFETCH(QByteArrayView, file);
QFETCH(int, line);
std::unique_ptr<char []> ptr{fn()};
const auto len = qstrlen(ptr.get());
QTest::qCompare(ptr.get(), expected, expr.data(), expected.data(), file.data(), line);
if (QTest::currentTestFailed()) {
qDebug("tail diff:\n"
" actual:%s\n"
" expected:%s",
ptr.get() + len - std::min(size_t{40}, len),
expected.data() + expected.size() - std::min(qsizetype{40}, expected.size()));
}
}
template <typename T> void addRow(QByteArrayView name, T &&value, QByteArrayView expression,
const QByteArray &expected, QByteArrayView file, int line)
{
ToStringFunction fn = [v = std::move(value)]() { return QTest::toString(v); };
QTest::newRow(name.data()) << fn << expected << expression << file << line;
}
#define ADD_ROW(name, expr, expected) \
::addRow(name, expr, #expr, expected, __FILE__, __LINE__)
void tst_toString::int128()
{
#ifndef QT_SUPPORTS_INT128
QSKIP("This test requires int128 support enabled in the compiler.");
#else
// ### port to data-driven once QVariant has support for qint128/quint128
std::unique_ptr<char[]> s;
{
// build Q_INT128_MIN without using Q_INT128_ macros,
// because we use Q_INT128_MIN in the impl
qint128 accu = 1701411834604692317LL;
accu *= 1000000000000000000LL;
accu += 316873037158841057LL;
accu *= -100;
accu -= 28;
QCOMPARE_EQ(accu, Q_INT128_MIN);
s.reset(QTest::toString(accu));
QCOMPARE(s.get(), "-170141183460469231731687303715884105728");
}
// now test with the macro, too:
s.reset(QTest::toString(Q_INT128_MIN));
QCOMPARE(s.get(), "-170141183460469231731687303715884105728");
s.reset(QTest::toString(Q_INT128_MIN + 1));
QCOMPARE(s.get(), "-170141183460469231731687303715884105727");
s.reset(QTest::toString(Q_INT128_MAX));
QCOMPARE(s.get(), "170141183460469231731687303715884105727");
s.reset(QTest::toString(Q_INT128_MAX - 1));
QCOMPARE(s.get(), "170141183460469231731687303715884105726");
s.reset(QTest::toString(Q_UINT128_MAX));
QCOMPARE(s.get(), "340282366920938463463374607431768211455");
s.reset(QTest::toString(Q_UINT128_MAX - 1));
QCOMPARE(s.get(), "340282366920938463463374607431768211454");
s.reset(QTest::toString(quint128{0}));
QCOMPARE(s.get(), "0");
s.reset(QTest::toString(qint128{0}));
QCOMPARE(s.get(), "0");
s.reset(QTest::toString(qint128{-1}));
QCOMPARE(s.get(), "-1");
#endif // QT_SUPPORTS_INT128
}
void tst_toString::chrono_duration_data()
{
addColumns();
using namespace std::chrono;
using namespace q20::chrono;
using attoseconds = duration<int64_t, std::atto>;
using femtoseconds = duration<int64_t, std::femto>;
using picoseconds = duration<int64_t, std::pico>;
using centiseconds = duration<int64_t, std::centi>;
using deciseconds = duration<int64_t, std::deci>;
using kiloseconds = duration<int64_t, std::kilo>;
using decades = duration<int, std::ratio_multiply<years::period, std::deca>>; // decayears
using centuries = duration<int16_t, std::ratio_multiply<years::period, std::hecto>>; // hectoyears
using millennia = duration<int16_t, std::ratio_multiply<years::period, std::kilo>>; // kiloyears
using gigayears [[maybe_unused]] = duration<int8_t, std::ratio_multiply<years::period, std::giga>>;
using fortnights = duration<int, std::ratio_multiply<days::period, std::ratio<14>>>;
using microfortnights = duration<int64_t, std::ratio_multiply<fortnights::period, std::micro>>;
using meter_per_light = duration<int64_t, std::ratio<1, 299'792'458>>;
using kilometer_per_light = duration<int64_t, std::ratio<1000, 299'792'458>>;
using AU_per_light = duration<int64_t, std::ratio<149'597'871'800, 299'792'458>>;
using pstn_rate = duration<int64_t, std::ratio<1, 8000>>; // PSTN sampling rate (8 kHz)
using hyperfine = duration<int64_t, std::ratio<1, 9'192'631'770>>; // definition of second
ADD_ROW("1as", attoseconds{1}, "1as (1e-18s)"); // from Norwegian "atten" (18)
ADD_ROW("1fs", femtoseconds{1}, "1fs (1e-15s)"); // from Norwegian "femten" (15)
ADD_ROW("1ps", picoseconds{1}, "1ps (1e-12s)"); // from Italian piccolo?
ADD_ROW("0ns", 0ns, "0ns (0s)");
ADD_ROW("1000ns", 1000ns, "1000ns (1e-06s)");
ADD_ROW("1us", 1us, "1us (1e-06s)");
ADD_ROW("125us", 125us, "125us (0.000125s)");
ADD_ROW("0ms", 0ms, "0ms (0s)");
ADD_ROW("-1s", -1s, "-1s");
ADD_ROW("0s", 0s, "0s");
ADD_ROW("1cs", centiseconds{1}, "1cs (0.01s)");
ADD_ROW("2ds", deciseconds{2}, "2ds (0.2s)");
ADD_ROW("1s", 1s, "1s");
ADD_ROW("60s", 60s, "60s");
ADD_ROW("1min", 1min, "1min (60s)");
ADD_ROW("1h", 1h, "1h (3600s)");
ADD_ROW("1days", days{1}, "1d (86400s)");
ADD_ROW("7days", days{7}, "7d (604800s)");
ADD_ROW("1weeks", weeks{1}, "1wk (604800s)");
ADD_ROW("365days", days{365}, "365d (31536000s)");
ADD_ROW("1years", years{1}, "1yr (31556952s)"); // 365.2425 days
ADD_ROW("2ks", kiloseconds{2}, "2[1000]s (2000s)");
ADD_ROW("1fortnights", fortnights{1}, "1[2]wk (1209600s)");
ADD_ROW("1decades", decades{1}, "1[10]yr (315569520s)");
ADD_ROW("1centuries", centuries{1}, "1[100]yr (3.1556952e+09s)");
ADD_ROW("1millennia", millennia{1}, "1[1000]yr (3.1556952e+10s)");
#if defined(Q_OS_LINUX) || defined(Q_OS_DARWIN)
// some OSes print the exponent differently
ADD_ROW("13gigayears", gigayears{13}, "13[1e+09]yr (4.10240376e+17s)");
#endif
// months are one twelfth of a Gregorian year, not 30 days
ADD_ROW("1months", months{1}, "1[2629746]s (2629746s)");
ADD_ROW("12months", months{12}, "12[2629746]s (31556952s)");
// weird units
ADD_ROW("2microfortnights", microfortnights{2}, "2[756/625]s (2.4192s)");
ADD_ROW("1pstn_rate", pstn_rate{1}, "1[1/8000]s (0.000125s)"); // 125µs
ADD_ROW("10m/c", meter_per_light{10}, "10[1/299792458]s (3.33564095e-08s)");
ADD_ROW("10km/c", kilometer_per_light{10}, "10[500/149896229]s (3.33564095e-05s)");
ADD_ROW("1AU/c", AU_per_light{1}, "1[74798935900/149896229]s (499.004788s)");
ADD_ROW("Cs133-hyperfine", hyperfine{1}, "1[1/9192631770]s (1.08782776e-10s)");
ADD_ROW("1sec-definition", hyperfine{9'192'631'770}, "9192631770[1/9192631770]s (1s)");
ADD_ROW("8000pstn_rate", pstn_rate{8000}, "8000[1/8000]s (1s)");
// real floting point
// current (2023) best estimate is 13.813 ± 0.038 billion years (Plank Collaboration)
using universe [[maybe_unused]] = duration<double, std::ratio_multiply<std::ratio<13'813'000'000>, years::period>>;
using fpksec = duration<double, std::kilo>;
using fpsec = duration<double>;
using fpmsec = duration<double, std::milli>;
using fpnsec = duration<double, std::nano>;
using fpGyr [[maybe_unused]] = duration<double, std::ratio_multiply<years::period, std::giga>>;
ADD_ROW("1.0s", fpsec{1}, "1s");
ADD_ROW("1.5s", fpsec{1.5}, "1.5s");
ADD_ROW("-1.0ms", fpmsec{-1}, "-1ms (-0.001s)");
ADD_ROW("1.5ms", fpmsec{1.5}, "1.5ms (0.0015s)");
ADD_ROW("1.0ns", fpnsec{1}, "1ns (1e-09s)");
ADD_ROW("-1.5ns", fpnsec{-1.5}, "-1.5ns (-1.5e-09s)");
ADD_ROW("1.0ks", fpksec{1}, "1[1000]s (1000s)");
ADD_ROW("-1.5ks", fpksec{-1.5}, "-1.5[1000]s (-1500s)");
ADD_ROW("1.0zs", fpsec{1e-21}, "1e-21s"); // zeptosecond
ADD_ROW("1.0ys", fpsec{1e-24}, "1e-24s"); // yoctosecond
ADD_ROW("planck-time", fpsec(5.39124760e-44), "5.3912476e-44s");
#if defined(Q_OS_LINUX) || defined(Q_OS_DARWIN)
// some OSes print the exponent differently
ADD_ROW("13.813Gyr", fpGyr(13.813), "13.813[1e+09]yr (4.35896178e+17s)");
ADD_ROW("1universe", universe{1}, "1[1.3813e+10]yr (4.35896178e+17s)");
#endif
}
QTEST_APPLESS_MAIN(tst_toString)
#include "tst_tostring.moc"
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