| // Copyright 2017 The Abseil Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include <chrono> // NOLINT(build/c++11) |
| #include <cmath> |
| #include <cstdint> |
| #include <ctime> |
| #include <limits> |
| #include <string> |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| #include "absl/time/time.h" |
| |
| namespace { |
| |
| constexpr int64_t kint64max = std::numeric_limits<int64_t>::max(); |
| constexpr int64_t kint64min = std::numeric_limits<int64_t>::min(); |
| |
| // Approximates the given number of years. This is only used to make some test |
| // code more readable. |
| absl::Duration ApproxYears(int64_t n) { return absl::Hours(n) * 365 * 24; } |
| |
| // A gMock matcher to match timespec values. Use this matcher like: |
| // timespec ts1, ts2; |
| // EXPECT_THAT(ts1, TimespecMatcher(ts2)); |
| MATCHER_P(TimespecMatcher, ts, "") { |
| if (ts.tv_sec == arg.tv_sec && ts.tv_nsec == arg.tv_nsec) |
| return true; |
| *result_listener << "expected: {" << ts.tv_sec << ", " << ts.tv_nsec << "} "; |
| *result_listener << "actual: {" << arg.tv_sec << ", " << arg.tv_nsec << "}"; |
| return false; |
| } |
| |
| // A gMock matcher to match timeval values. Use this matcher like: |
| // timeval tv1, tv2; |
| // EXPECT_THAT(tv1, TimevalMatcher(tv2)); |
| MATCHER_P(TimevalMatcher, tv, "") { |
| if (tv.tv_sec == arg.tv_sec && tv.tv_usec == arg.tv_usec) |
| return true; |
| *result_listener << "expected: {" << tv.tv_sec << ", " << tv.tv_usec << "} "; |
| *result_listener << "actual: {" << arg.tv_sec << ", " << arg.tv_usec << "}"; |
| return false; |
| } |
| |
| TEST(Duration, ValueSemantics) { |
| // If this compiles, the test passes. |
| constexpr absl::Duration a; // Default construction |
| constexpr absl::Duration b = a; // Copy construction |
| constexpr absl::Duration c(b); // Copy construction (again) |
| |
| absl::Duration d; |
| d = c; // Assignment |
| } |
| |
| TEST(Duration, Factories) { |
| constexpr absl::Duration zero = absl::ZeroDuration(); |
| constexpr absl::Duration nano = absl::Nanoseconds(1); |
| constexpr absl::Duration micro = absl::Microseconds(1); |
| constexpr absl::Duration milli = absl::Milliseconds(1); |
| constexpr absl::Duration sec = absl::Seconds(1); |
| constexpr absl::Duration min = absl::Minutes(1); |
| constexpr absl::Duration hour = absl::Hours(1); |
| |
| EXPECT_EQ(zero, absl::Duration()); |
| EXPECT_EQ(zero, absl::Seconds(0)); |
| EXPECT_EQ(nano, absl::Nanoseconds(1)); |
| EXPECT_EQ(micro, absl::Nanoseconds(1000)); |
| EXPECT_EQ(milli, absl::Microseconds(1000)); |
| EXPECT_EQ(sec, absl::Milliseconds(1000)); |
| EXPECT_EQ(min, absl::Seconds(60)); |
| EXPECT_EQ(hour, absl::Minutes(60)); |
| |
| // Tests factory limits |
| const absl::Duration inf = absl::InfiniteDuration(); |
| |
| EXPECT_GT(inf, absl::Seconds(kint64max)); |
| EXPECT_LT(-inf, absl::Seconds(kint64min)); |
| EXPECT_LT(-inf, absl::Seconds(-kint64max)); |
| |
| EXPECT_EQ(inf, absl::Minutes(kint64max)); |
| EXPECT_EQ(-inf, absl::Minutes(kint64min)); |
| EXPECT_EQ(-inf, absl::Minutes(-kint64max)); |
| EXPECT_GT(inf, absl::Minutes(kint64max / 60)); |
| EXPECT_LT(-inf, absl::Minutes(kint64min / 60)); |
| EXPECT_LT(-inf, absl::Minutes(-kint64max / 60)); |
| |
| EXPECT_EQ(inf, absl::Hours(kint64max)); |
| EXPECT_EQ(-inf, absl::Hours(kint64min)); |
| EXPECT_EQ(-inf, absl::Hours(-kint64max)); |
| EXPECT_GT(inf, absl::Hours(kint64max / 3600)); |
| EXPECT_LT(-inf, absl::Hours(kint64min / 3600)); |
| EXPECT_LT(-inf, absl::Hours(-kint64max / 3600)); |
| } |
| |
| TEST(Duration, ToConversion) { |
| #define TEST_DURATION_CONVERSION(UNIT) \ |
| do { \ |
| const absl::Duration d = absl::UNIT(1.5); \ |
| const absl::Duration z = absl::ZeroDuration(); \ |
| const absl::Duration inf = absl::InfiniteDuration(); \ |
| const double dbl_inf = std::numeric_limits<double>::infinity(); \ |
| EXPECT_EQ(kint64min, absl::ToInt64##UNIT(-inf)); \ |
| EXPECT_EQ(-1, absl::ToInt64##UNIT(-d)); \ |
| EXPECT_EQ(0, absl::ToInt64##UNIT(z)); \ |
| EXPECT_EQ(1, absl::ToInt64##UNIT(d)); \ |
| EXPECT_EQ(kint64max, absl::ToInt64##UNIT(inf)); \ |
| EXPECT_EQ(-dbl_inf, absl::ToDouble##UNIT(-inf)); \ |
| EXPECT_EQ(-1.5, absl::ToDouble##UNIT(-d)); \ |
| EXPECT_EQ(0, absl::ToDouble##UNIT(z)); \ |
| EXPECT_EQ(1.5, absl::ToDouble##UNIT(d)); \ |
| EXPECT_EQ(dbl_inf, absl::ToDouble##UNIT(inf)); \ |
| } while (0) |
| |
| TEST_DURATION_CONVERSION(Nanoseconds); |
| TEST_DURATION_CONVERSION(Microseconds); |
| TEST_DURATION_CONVERSION(Milliseconds); |
| TEST_DURATION_CONVERSION(Seconds); |
| TEST_DURATION_CONVERSION(Minutes); |
| TEST_DURATION_CONVERSION(Hours); |
| |
| #undef TEST_DURATION_CONVERSION |
| } |
| |
| template <int64_t N> |
| void TestToConversion() { |
| constexpr absl::Duration nano = absl::Nanoseconds(N); |
| EXPECT_EQ(N, absl::ToInt64Nanoseconds(nano)); |
| EXPECT_EQ(0, absl::ToInt64Microseconds(nano)); |
| EXPECT_EQ(0, absl::ToInt64Milliseconds(nano)); |
| EXPECT_EQ(0, absl::ToInt64Seconds(nano)); |
| EXPECT_EQ(0, absl::ToInt64Minutes(nano)); |
| EXPECT_EQ(0, absl::ToInt64Hours(nano)); |
| const absl::Duration micro = absl::Microseconds(N); |
| EXPECT_EQ(N * 1000, absl::ToInt64Nanoseconds(micro)); |
| EXPECT_EQ(N, absl::ToInt64Microseconds(micro)); |
| EXPECT_EQ(0, absl::ToInt64Milliseconds(micro)); |
| EXPECT_EQ(0, absl::ToInt64Seconds(micro)); |
| EXPECT_EQ(0, absl::ToInt64Minutes(micro)); |
| EXPECT_EQ(0, absl::ToInt64Hours(micro)); |
| const absl::Duration milli = absl::Milliseconds(N); |
| EXPECT_EQ(N * 1000 * 1000, absl::ToInt64Nanoseconds(milli)); |
| EXPECT_EQ(N * 1000, absl::ToInt64Microseconds(milli)); |
| EXPECT_EQ(N, absl::ToInt64Milliseconds(milli)); |
| EXPECT_EQ(0, absl::ToInt64Seconds(milli)); |
| EXPECT_EQ(0, absl::ToInt64Minutes(milli)); |
| EXPECT_EQ(0, absl::ToInt64Hours(milli)); |
| const absl::Duration sec = absl::Seconds(N); |
| EXPECT_EQ(N * 1000 * 1000 * 1000, absl::ToInt64Nanoseconds(sec)); |
| EXPECT_EQ(N * 1000 * 1000, absl::ToInt64Microseconds(sec)); |
| EXPECT_EQ(N * 1000, absl::ToInt64Milliseconds(sec)); |
| EXPECT_EQ(N, absl::ToInt64Seconds(sec)); |
| EXPECT_EQ(0, absl::ToInt64Minutes(sec)); |
| EXPECT_EQ(0, absl::ToInt64Hours(sec)); |
| const absl::Duration min = absl::Minutes(N); |
| EXPECT_EQ(N * 60 * 1000 * 1000 * 1000, absl::ToInt64Nanoseconds(min)); |
| EXPECT_EQ(N * 60 * 1000 * 1000, absl::ToInt64Microseconds(min)); |
| EXPECT_EQ(N * 60 * 1000, absl::ToInt64Milliseconds(min)); |
| EXPECT_EQ(N * 60, absl::ToInt64Seconds(min)); |
| EXPECT_EQ(N, absl::ToInt64Minutes(min)); |
| EXPECT_EQ(0, absl::ToInt64Hours(min)); |
| const absl::Duration hour = absl::Hours(N); |
| EXPECT_EQ(N * 60 * 60 * 1000 * 1000 * 1000, absl::ToInt64Nanoseconds(hour)); |
| EXPECT_EQ(N * 60 * 60 * 1000 * 1000, absl::ToInt64Microseconds(hour)); |
| EXPECT_EQ(N * 60 * 60 * 1000, absl::ToInt64Milliseconds(hour)); |
| EXPECT_EQ(N * 60 * 60, absl::ToInt64Seconds(hour)); |
| EXPECT_EQ(N * 60, absl::ToInt64Minutes(hour)); |
| EXPECT_EQ(N, absl::ToInt64Hours(hour)); |
| } |
| |
| TEST(Duration, ToConversionDeprecated) { |
| TestToConversion<43>(); |
| TestToConversion<1>(); |
| TestToConversion<0>(); |
| TestToConversion<-1>(); |
| TestToConversion<-43>(); |
| } |
| |
| template <int64_t N> |
| void TestFromChronoBasicEquality() { |
| using std::chrono::nanoseconds; |
| using std::chrono::microseconds; |
| using std::chrono::milliseconds; |
| using std::chrono::seconds; |
| using std::chrono::minutes; |
| using std::chrono::hours; |
| |
| static_assert(absl::Nanoseconds(N) == absl::FromChrono(nanoseconds(N)), ""); |
| static_assert(absl::Microseconds(N) == absl::FromChrono(microseconds(N)), ""); |
| static_assert(absl::Milliseconds(N) == absl::FromChrono(milliseconds(N)), ""); |
| static_assert(absl::Seconds(N) == absl::FromChrono(seconds(N)), ""); |
| static_assert(absl::Minutes(N) == absl::FromChrono(minutes(N)), ""); |
| static_assert(absl::Hours(N) == absl::FromChrono(hours(N)), ""); |
| } |
| |
| TEST(Duration, FromChrono) { |
| TestFromChronoBasicEquality<-123>(); |
| TestFromChronoBasicEquality<-1>(); |
| TestFromChronoBasicEquality<0>(); |
| TestFromChronoBasicEquality<1>(); |
| TestFromChronoBasicEquality<123>(); |
| |
| // Minutes (might, depending on the platform) saturate at +inf. |
| const auto chrono_minutes_max = std::chrono::minutes::max(); |
| const auto minutes_max = absl::FromChrono(chrono_minutes_max); |
| const int64_t minutes_max_count = chrono_minutes_max.count(); |
| if (minutes_max_count > kint64max / 60) { |
| EXPECT_EQ(absl::InfiniteDuration(), minutes_max); |
| } else { |
| EXPECT_EQ(absl::Minutes(minutes_max_count), minutes_max); |
| } |
| |
| // Minutes (might, depending on the platform) saturate at -inf. |
| const auto chrono_minutes_min = std::chrono::minutes::min(); |
| const auto minutes_min = absl::FromChrono(chrono_minutes_min); |
| const int64_t minutes_min_count = chrono_minutes_min.count(); |
| if (minutes_min_count < kint64min / 60) { |
| EXPECT_EQ(-absl::InfiniteDuration(), minutes_min); |
| } else { |
| EXPECT_EQ(absl::Minutes(minutes_min_count), minutes_min); |
| } |
| |
| // Hours (might, depending on the platform) saturate at +inf. |
| const auto chrono_hours_max = std::chrono::hours::max(); |
| const auto hours_max = absl::FromChrono(chrono_hours_max); |
| const int64_t hours_max_count = chrono_hours_max.count(); |
| if (hours_max_count > kint64max / 3600) { |
| EXPECT_EQ(absl::InfiniteDuration(), hours_max); |
| } else { |
| EXPECT_EQ(absl::Hours(hours_max_count), hours_max); |
| } |
| |
| // Hours (might, depending on the platform) saturate at -inf. |
| const auto chrono_hours_min = std::chrono::hours::min(); |
| const auto hours_min = absl::FromChrono(chrono_hours_min); |
| const int64_t hours_min_count = chrono_hours_min.count(); |
| if (hours_min_count < kint64min / 3600) { |
| EXPECT_EQ(-absl::InfiniteDuration(), hours_min); |
| } else { |
| EXPECT_EQ(absl::Hours(hours_min_count), hours_min); |
| } |
| } |
| |
| template <int64_t N> |
| void TestToChrono() { |
| using std::chrono::nanoseconds; |
| using std::chrono::microseconds; |
| using std::chrono::milliseconds; |
| using std::chrono::seconds; |
| using std::chrono::minutes; |
| using std::chrono::hours; |
| |
| EXPECT_EQ(nanoseconds(N), absl::ToChronoNanoseconds(absl::Nanoseconds(N))); |
| EXPECT_EQ(microseconds(N), absl::ToChronoMicroseconds(absl::Microseconds(N))); |
| EXPECT_EQ(milliseconds(N), absl::ToChronoMilliseconds(absl::Milliseconds(N))); |
| EXPECT_EQ(seconds(N), absl::ToChronoSeconds(absl::Seconds(N))); |
| |
| constexpr auto absl_minutes = absl::Minutes(N); |
| auto chrono_minutes = minutes(N); |
| if (absl_minutes == -absl::InfiniteDuration()) { |
| chrono_minutes = minutes::min(); |
| } else if (absl_minutes == absl::InfiniteDuration()) { |
| chrono_minutes = minutes::max(); |
| } |
| EXPECT_EQ(chrono_minutes, absl::ToChronoMinutes(absl_minutes)); |
| |
| constexpr auto absl_hours = absl::Hours(N); |
| auto chrono_hours = hours(N); |
| if (absl_hours == -absl::InfiniteDuration()) { |
| chrono_hours = hours::min(); |
| } else if (absl_hours == absl::InfiniteDuration()) { |
| chrono_hours = hours::max(); |
| } |
| EXPECT_EQ(chrono_hours, absl::ToChronoHours(absl_hours)); |
| } |
| |
| TEST(Duration, ToChrono) { |
| using std::chrono::nanoseconds; |
| using std::chrono::microseconds; |
| using std::chrono::milliseconds; |
| using std::chrono::seconds; |
| using std::chrono::minutes; |
| using std::chrono::hours; |
| |
| TestToChrono<kint64min>(); |
| TestToChrono<-1>(); |
| TestToChrono<0>(); |
| TestToChrono<1>(); |
| TestToChrono<kint64max>(); |
| |
| // Verify truncation toward zero. |
| const auto tick = absl::Nanoseconds(1) / 4; |
| EXPECT_EQ(nanoseconds(0), absl::ToChronoNanoseconds(tick)); |
| EXPECT_EQ(nanoseconds(0), absl::ToChronoNanoseconds(-tick)); |
| EXPECT_EQ(microseconds(0), absl::ToChronoMicroseconds(tick)); |
| EXPECT_EQ(microseconds(0), absl::ToChronoMicroseconds(-tick)); |
| EXPECT_EQ(milliseconds(0), absl::ToChronoMilliseconds(tick)); |
| EXPECT_EQ(milliseconds(0), absl::ToChronoMilliseconds(-tick)); |
| EXPECT_EQ(seconds(0), absl::ToChronoSeconds(tick)); |
| EXPECT_EQ(seconds(0), absl::ToChronoSeconds(-tick)); |
| EXPECT_EQ(minutes(0), absl::ToChronoMinutes(tick)); |
| EXPECT_EQ(minutes(0), absl::ToChronoMinutes(-tick)); |
| EXPECT_EQ(hours(0), absl::ToChronoHours(tick)); |
| EXPECT_EQ(hours(0), absl::ToChronoHours(-tick)); |
| |
| // Verifies +/- infinity saturation at max/min. |
| constexpr auto inf = absl::InfiniteDuration(); |
| EXPECT_EQ(nanoseconds::min(), absl::ToChronoNanoseconds(-inf)); |
| EXPECT_EQ(nanoseconds::max(), absl::ToChronoNanoseconds(inf)); |
| EXPECT_EQ(microseconds::min(), absl::ToChronoMicroseconds(-inf)); |
| EXPECT_EQ(microseconds::max(), absl::ToChronoMicroseconds(inf)); |
| EXPECT_EQ(milliseconds::min(), absl::ToChronoMilliseconds(-inf)); |
| EXPECT_EQ(milliseconds::max(), absl::ToChronoMilliseconds(inf)); |
| EXPECT_EQ(seconds::min(), absl::ToChronoSeconds(-inf)); |
| EXPECT_EQ(seconds::max(), absl::ToChronoSeconds(inf)); |
| EXPECT_EQ(minutes::min(), absl::ToChronoMinutes(-inf)); |
| EXPECT_EQ(minutes::max(), absl::ToChronoMinutes(inf)); |
| EXPECT_EQ(hours::min(), absl::ToChronoHours(-inf)); |
| EXPECT_EQ(hours::max(), absl::ToChronoHours(inf)); |
| } |
| |
| TEST(Duration, FactoryOverloads) { |
| enum E { kOne = 1 }; |
| #define TEST_FACTORY_OVERLOADS(NAME) \ |
| EXPECT_EQ(1, NAME(kOne) / NAME(kOne)); \ |
| EXPECT_EQ(1, NAME(static_cast<int8_t>(1)) / NAME(1)); \ |
| EXPECT_EQ(1, NAME(static_cast<int16_t>(1)) / NAME(1)); \ |
| EXPECT_EQ(1, NAME(static_cast<int32_t>(1)) / NAME(1)); \ |
| EXPECT_EQ(1, NAME(static_cast<int64_t>(1)) / NAME(1)); \ |
| EXPECT_EQ(1, NAME(static_cast<uint8_t>(1)) / NAME(1)); \ |
| EXPECT_EQ(1, NAME(static_cast<uint16_t>(1)) / NAME(1)); \ |
| EXPECT_EQ(1, NAME(static_cast<uint32_t>(1)) / NAME(1)); \ |
| EXPECT_EQ(1, NAME(static_cast<uint64_t>(1)) / NAME(1)); \ |
| EXPECT_EQ(NAME(1) / 2, NAME(static_cast<float>(0.5))); \ |
| EXPECT_EQ(NAME(1) / 2, NAME(static_cast<double>(0.5))); \ |
| EXPECT_EQ(1.5, absl::FDivDuration(NAME(static_cast<float>(1.5)), NAME(1))); \ |
| EXPECT_EQ(1.5, absl::FDivDuration(NAME(static_cast<double>(1.5)), NAME(1))); |
| |
| TEST_FACTORY_OVERLOADS(absl::Nanoseconds); |
| TEST_FACTORY_OVERLOADS(absl::Microseconds); |
| TEST_FACTORY_OVERLOADS(absl::Milliseconds); |
| TEST_FACTORY_OVERLOADS(absl::Seconds); |
| TEST_FACTORY_OVERLOADS(absl::Minutes); |
| TEST_FACTORY_OVERLOADS(absl::Hours); |
| |
| #undef TEST_FACTORY_OVERLOADS |
| |
| EXPECT_EQ(absl::Milliseconds(1500), absl::Seconds(1.5)); |
| EXPECT_LT(absl::Nanoseconds(1), absl::Nanoseconds(1.5)); |
| EXPECT_GT(absl::Nanoseconds(2), absl::Nanoseconds(1.5)); |
| |
| const double dbl_inf = std::numeric_limits<double>::infinity(); |
| EXPECT_EQ(absl::InfiniteDuration(), absl::Nanoseconds(dbl_inf)); |
| EXPECT_EQ(absl::InfiniteDuration(), absl::Microseconds(dbl_inf)); |
| EXPECT_EQ(absl::InfiniteDuration(), absl::Milliseconds(dbl_inf)); |
| EXPECT_EQ(absl::InfiniteDuration(), absl::Seconds(dbl_inf)); |
| EXPECT_EQ(absl::InfiniteDuration(), absl::Minutes(dbl_inf)); |
| EXPECT_EQ(absl::InfiniteDuration(), absl::Hours(dbl_inf)); |
| EXPECT_EQ(-absl::InfiniteDuration(), absl::Nanoseconds(-dbl_inf)); |
| EXPECT_EQ(-absl::InfiniteDuration(), absl::Microseconds(-dbl_inf)); |
| EXPECT_EQ(-absl::InfiniteDuration(), absl::Milliseconds(-dbl_inf)); |
| EXPECT_EQ(-absl::InfiniteDuration(), absl::Seconds(-dbl_inf)); |
| EXPECT_EQ(-absl::InfiniteDuration(), absl::Minutes(-dbl_inf)); |
| EXPECT_EQ(-absl::InfiniteDuration(), absl::Hours(-dbl_inf)); |
| } |
| |
| TEST(Duration, InfinityExamples) { |
| // These examples are used in the documentation in time.h. They are |
| // written so that they can be copy-n-pasted easily. |
| |
| constexpr absl::Duration inf = absl::InfiniteDuration(); |
| constexpr absl::Duration d = absl::Seconds(1); // Any finite duration |
| |
| EXPECT_TRUE(inf == inf + inf); |
| EXPECT_TRUE(inf == inf + d); |
| EXPECT_TRUE(inf == inf - inf); |
| EXPECT_TRUE(-inf == d - inf); |
| |
| EXPECT_TRUE(inf == d * 1e100); |
| EXPECT_TRUE(0 == d / inf); // NOLINT(readability/check) |
| |
| // Division by zero returns infinity, or kint64min/MAX where necessary. |
| EXPECT_TRUE(inf == d / 0); |
| EXPECT_TRUE(kint64max == d / absl::ZeroDuration()); |
| } |
| |
| TEST(Duration, InfinityComparison) { |
| const absl::Duration inf = absl::InfiniteDuration(); |
| const absl::Duration any_dur = absl::Seconds(1); |
| |
| // Equality |
| EXPECT_EQ(inf, inf); |
| EXPECT_EQ(-inf, -inf); |
| EXPECT_NE(inf, -inf); |
| EXPECT_NE(any_dur, inf); |
| EXPECT_NE(any_dur, -inf); |
| |
| // Relational |
| EXPECT_GT(inf, any_dur); |
| EXPECT_LT(-inf, any_dur); |
| EXPECT_LT(-inf, inf); |
| EXPECT_GT(inf, -inf); |
| } |
| |
| TEST(Duration, InfinityAddition) { |
| const absl::Duration sec_max = absl::Seconds(kint64max); |
| const absl::Duration sec_min = absl::Seconds(kint64min); |
| const absl::Duration any_dur = absl::Seconds(1); |
| const absl::Duration inf = absl::InfiniteDuration(); |
| |
| // Addition |
| EXPECT_EQ(inf, inf + inf); |
| EXPECT_EQ(inf, inf + -inf); |
| EXPECT_EQ(-inf, -inf + inf); |
| EXPECT_EQ(-inf, -inf + -inf); |
| |
| EXPECT_EQ(inf, inf + any_dur); |
| EXPECT_EQ(inf, any_dur + inf); |
| EXPECT_EQ(-inf, -inf + any_dur); |
| EXPECT_EQ(-inf, any_dur + -inf); |
| |
| // Interesting case |
| absl::Duration almost_inf = sec_max + absl::Nanoseconds(999999999); |
| EXPECT_GT(inf, almost_inf); |
| almost_inf += -absl::Nanoseconds(999999999); |
| EXPECT_GT(inf, almost_inf); |
| |
| // Addition overflow/underflow |
| EXPECT_EQ(inf, sec_max + absl::Seconds(1)); |
| EXPECT_EQ(inf, sec_max + sec_max); |
| EXPECT_EQ(-inf, sec_min + -absl::Seconds(1)); |
| EXPECT_EQ(-inf, sec_min + -sec_max); |
| |
| // For reference: IEEE 754 behavior |
| const double dbl_inf = std::numeric_limits<double>::infinity(); |
| EXPECT_TRUE(std::isinf(dbl_inf + dbl_inf)); |
| EXPECT_TRUE(std::isnan(dbl_inf + -dbl_inf)); // We return inf |
| EXPECT_TRUE(std::isnan(-dbl_inf + dbl_inf)); // We return inf |
| EXPECT_TRUE(std::isinf(-dbl_inf + -dbl_inf)); |
| } |
| |
| TEST(Duration, InfinitySubtraction) { |
| const absl::Duration sec_max = absl::Seconds(kint64max); |
| const absl::Duration sec_min = absl::Seconds(kint64min); |
| const absl::Duration any_dur = absl::Seconds(1); |
| const absl::Duration inf = absl::InfiniteDuration(); |
| |
| // Subtraction |
| EXPECT_EQ(inf, inf - inf); |
| EXPECT_EQ(inf, inf - -inf); |
| EXPECT_EQ(-inf, -inf - inf); |
| EXPECT_EQ(-inf, -inf - -inf); |
| |
| EXPECT_EQ(inf, inf - any_dur); |
| EXPECT_EQ(-inf, any_dur - inf); |
| EXPECT_EQ(-inf, -inf - any_dur); |
| EXPECT_EQ(inf, any_dur - -inf); |
| |
| // Subtraction overflow/underflow |
| EXPECT_EQ(inf, sec_max - -absl::Seconds(1)); |
| EXPECT_EQ(inf, sec_max - -sec_max); |
| EXPECT_EQ(-inf, sec_min - absl::Seconds(1)); |
| EXPECT_EQ(-inf, sec_min - sec_max); |
| |
| // Interesting case |
| absl::Duration almost_neg_inf = sec_min; |
| EXPECT_LT(-inf, almost_neg_inf); |
| almost_neg_inf -= -absl::Nanoseconds(1); |
| EXPECT_LT(-inf, almost_neg_inf); |
| |
| // For reference: IEEE 754 behavior |
| const double dbl_inf = std::numeric_limits<double>::infinity(); |
| EXPECT_TRUE(std::isnan(dbl_inf - dbl_inf)); // We return inf |
| EXPECT_TRUE(std::isinf(dbl_inf - -dbl_inf)); |
| EXPECT_TRUE(std::isinf(-dbl_inf - dbl_inf)); |
| EXPECT_TRUE(std::isnan(-dbl_inf - -dbl_inf)); // We return inf |
| } |
| |
| TEST(Duration, InfinityMultiplication) { |
| const absl::Duration sec_max = absl::Seconds(kint64max); |
| const absl::Duration sec_min = absl::Seconds(kint64min); |
| const absl::Duration inf = absl::InfiniteDuration(); |
| |
| #define TEST_INF_MUL_WITH_TYPE(T) \ |
| EXPECT_EQ(inf, inf * static_cast<T>(2)); \ |
| EXPECT_EQ(-inf, inf * static_cast<T>(-2)); \ |
| EXPECT_EQ(-inf, -inf * static_cast<T>(2)); \ |
| EXPECT_EQ(inf, -inf * static_cast<T>(-2)); \ |
| EXPECT_EQ(inf, inf * static_cast<T>(0)); \ |
| EXPECT_EQ(-inf, -inf * static_cast<T>(0)); \ |
| EXPECT_EQ(inf, sec_max * static_cast<T>(2)); \ |
| EXPECT_EQ(inf, sec_min * static_cast<T>(-2)); \ |
| EXPECT_EQ(inf, (sec_max / static_cast<T>(2)) * static_cast<T>(3)); \ |
| EXPECT_EQ(-inf, sec_max * static_cast<T>(-2)); \ |
| EXPECT_EQ(-inf, sec_min * static_cast<T>(2)); \ |
| EXPECT_EQ(-inf, (sec_min / static_cast<T>(2)) * static_cast<T>(3)); |
| |
| TEST_INF_MUL_WITH_TYPE(int64_t); // NOLINT(readability/function) |
| TEST_INF_MUL_WITH_TYPE(double); // NOLINT(readability/function) |
| |
| #undef TEST_INF_MUL_WITH_TYPE |
| |
| const double dbl_inf = std::numeric_limits<double>::infinity(); |
| EXPECT_EQ(inf, inf * dbl_inf); |
| EXPECT_EQ(-inf, -inf * dbl_inf); |
| EXPECT_EQ(-inf, inf * -dbl_inf); |
| EXPECT_EQ(inf, -inf * -dbl_inf); |
| |
| const absl::Duration any_dur = absl::Seconds(1); |
| EXPECT_EQ(inf, any_dur * dbl_inf); |
| EXPECT_EQ(-inf, -any_dur * dbl_inf); |
| EXPECT_EQ(-inf, any_dur * -dbl_inf); |
| EXPECT_EQ(inf, -any_dur * -dbl_inf); |
| |
| // Fixed-point multiplication will produce a finite value, whereas floating |
| // point fuzziness will overflow to inf. |
| EXPECT_NE(absl::InfiniteDuration(), absl::Seconds(1) * kint64max); |
| EXPECT_EQ(inf, absl::Seconds(1) * static_cast<double>(kint64max)); |
| EXPECT_NE(-absl::InfiniteDuration(), absl::Seconds(1) * kint64min); |
| EXPECT_EQ(-inf, absl::Seconds(1) * static_cast<double>(kint64min)); |
| |
| // Note that sec_max * or / by 1.0 overflows to inf due to the 53-bit |
| // limitations of double. |
| EXPECT_NE(inf, sec_max); |
| EXPECT_NE(inf, sec_max / 1); |
| EXPECT_EQ(inf, sec_max / 1.0); |
| EXPECT_NE(inf, sec_max * 1); |
| EXPECT_EQ(inf, sec_max * 1.0); |
| } |
| |
| TEST(Duration, InfinityDivision) { |
| const absl::Duration sec_max = absl::Seconds(kint64max); |
| const absl::Duration sec_min = absl::Seconds(kint64min); |
| const absl::Duration inf = absl::InfiniteDuration(); |
| |
| // Division of Duration by a double |
| #define TEST_INF_DIV_WITH_TYPE(T) \ |
| EXPECT_EQ(inf, inf / static_cast<T>(2)); \ |
| EXPECT_EQ(-inf, inf / static_cast<T>(-2)); \ |
| EXPECT_EQ(-inf, -inf / static_cast<T>(2)); \ |
| EXPECT_EQ(inf, -inf / static_cast<T>(-2)); |
| |
| TEST_INF_DIV_WITH_TYPE(int64_t); // NOLINT(readability/function) |
| TEST_INF_DIV_WITH_TYPE(double); // NOLINT(readability/function) |
| |
| #undef TEST_INF_DIV_WITH_TYPE |
| |
| // Division of Duration by a double overflow/underflow |
| EXPECT_EQ(inf, sec_max / 0.5); |
| EXPECT_EQ(inf, sec_min / -0.5); |
| EXPECT_EQ(inf, ((sec_max / 0.5) + absl::Seconds(1)) / 0.5); |
| EXPECT_EQ(-inf, sec_max / -0.5); |
| EXPECT_EQ(-inf, sec_min / 0.5); |
| EXPECT_EQ(-inf, ((sec_min / 0.5) - absl::Seconds(1)) / 0.5); |
| |
| const double dbl_inf = std::numeric_limits<double>::infinity(); |
| EXPECT_EQ(inf, inf / dbl_inf); |
| EXPECT_EQ(-inf, inf / -dbl_inf); |
| EXPECT_EQ(-inf, -inf / dbl_inf); |
| EXPECT_EQ(inf, -inf / -dbl_inf); |
| |
| const absl::Duration any_dur = absl::Seconds(1); |
| EXPECT_EQ(absl::ZeroDuration(), any_dur / dbl_inf); |
| EXPECT_EQ(absl::ZeroDuration(), any_dur / -dbl_inf); |
| EXPECT_EQ(absl::ZeroDuration(), -any_dur / dbl_inf); |
| EXPECT_EQ(absl::ZeroDuration(), -any_dur / -dbl_inf); |
| } |
| |
| TEST(Duration, InfinityModulus) { |
| const absl::Duration sec_max = absl::Seconds(kint64max); |
| const absl::Duration any_dur = absl::Seconds(1); |
| const absl::Duration inf = absl::InfiniteDuration(); |
| |
| EXPECT_EQ(inf, inf % inf); |
| EXPECT_EQ(inf, inf % -inf); |
| EXPECT_EQ(-inf, -inf % -inf); |
| EXPECT_EQ(-inf, -inf % inf); |
| |
| EXPECT_EQ(any_dur, any_dur % inf); |
| EXPECT_EQ(any_dur, any_dur % -inf); |
| EXPECT_EQ(-any_dur, -any_dur % inf); |
| EXPECT_EQ(-any_dur, -any_dur % -inf); |
| |
| EXPECT_EQ(inf, inf % -any_dur); |
| EXPECT_EQ(inf, inf % any_dur); |
| EXPECT_EQ(-inf, -inf % -any_dur); |
| EXPECT_EQ(-inf, -inf % any_dur); |
| |
| // Remainder isn't affected by overflow. |
| EXPECT_EQ(absl::ZeroDuration(), sec_max % absl::Seconds(1)); |
| EXPECT_EQ(absl::ZeroDuration(), sec_max % absl::Milliseconds(1)); |
| EXPECT_EQ(absl::ZeroDuration(), sec_max % absl::Microseconds(1)); |
| EXPECT_EQ(absl::ZeroDuration(), sec_max % absl::Nanoseconds(1)); |
| EXPECT_EQ(absl::ZeroDuration(), sec_max % absl::Nanoseconds(1) / 4); |
| } |
| |
| TEST(Duration, InfinityIDiv) { |
| const absl::Duration sec_max = absl::Seconds(kint64max); |
| const absl::Duration any_dur = absl::Seconds(1); |
| const absl::Duration inf = absl::InfiniteDuration(); |
| const double dbl_inf = std::numeric_limits<double>::infinity(); |
| |
| // IDivDuration (int64_t return value + a remainer) |
| absl::Duration rem = absl::ZeroDuration(); |
| EXPECT_EQ(kint64max, absl::IDivDuration(inf, inf, &rem)); |
| EXPECT_EQ(inf, rem); |
| |
| rem = absl::ZeroDuration(); |
| EXPECT_EQ(kint64max, absl::IDivDuration(-inf, -inf, &rem)); |
| EXPECT_EQ(-inf, rem); |
| |
| rem = absl::ZeroDuration(); |
| EXPECT_EQ(kint64max, absl::IDivDuration(inf, any_dur, &rem)); |
| EXPECT_EQ(inf, rem); |
| |
| rem = absl::ZeroDuration(); |
| EXPECT_EQ(0, absl::IDivDuration(any_dur, inf, &rem)); |
| EXPECT_EQ(any_dur, rem); |
| |
| rem = absl::ZeroDuration(); |
| EXPECT_EQ(kint64max, absl::IDivDuration(-inf, -any_dur, &rem)); |
| EXPECT_EQ(-inf, rem); |
| |
| rem = absl::ZeroDuration(); |
| EXPECT_EQ(0, absl::IDivDuration(-any_dur, -inf, &rem)); |
| EXPECT_EQ(-any_dur, rem); |
| |
| rem = absl::ZeroDuration(); |
| EXPECT_EQ(kint64min, absl::IDivDuration(-inf, inf, &rem)); |
| EXPECT_EQ(-inf, rem); |
| |
| rem = absl::ZeroDuration(); |
| EXPECT_EQ(kint64min, absl::IDivDuration(inf, -inf, &rem)); |
| EXPECT_EQ(inf, rem); |
| |
| rem = absl::ZeroDuration(); |
| EXPECT_EQ(kint64min, absl::IDivDuration(-inf, any_dur, &rem)); |
| EXPECT_EQ(-inf, rem); |
| |
| rem = absl::ZeroDuration(); |
| EXPECT_EQ(0, absl::IDivDuration(-any_dur, inf, &rem)); |
| EXPECT_EQ(-any_dur, rem); |
| |
| rem = absl::ZeroDuration(); |
| EXPECT_EQ(kint64min, absl::IDivDuration(inf, -any_dur, &rem)); |
| EXPECT_EQ(inf, rem); |
| |
| rem = absl::ZeroDuration(); |
| EXPECT_EQ(0, absl::IDivDuration(any_dur, -inf, &rem)); |
| EXPECT_EQ(any_dur, rem); |
| |
| // IDivDuration overflow/underflow |
| rem = any_dur; |
| EXPECT_EQ(kint64max, |
| absl::IDivDuration(sec_max, absl::Nanoseconds(1) / 4, &rem)); |
| EXPECT_EQ(sec_max - absl::Nanoseconds(kint64max) / 4, rem); |
| |
| rem = any_dur; |
| EXPECT_EQ(kint64max, |
| absl::IDivDuration(sec_max, absl::Milliseconds(1), &rem)); |
| EXPECT_EQ(sec_max - absl::Milliseconds(kint64max), rem); |
| |
| rem = any_dur; |
| EXPECT_EQ(kint64max, |
| absl::IDivDuration(-sec_max, -absl::Milliseconds(1), &rem)); |
| EXPECT_EQ(-sec_max + absl::Milliseconds(kint64max), rem); |
| |
| rem = any_dur; |
| EXPECT_EQ(kint64min, |
| absl::IDivDuration(-sec_max, absl::Milliseconds(1), &rem)); |
| EXPECT_EQ(-sec_max - absl::Milliseconds(kint64min), rem); |
| |
| rem = any_dur; |
| EXPECT_EQ(kint64min, |
| absl::IDivDuration(sec_max, -absl::Milliseconds(1), &rem)); |
| EXPECT_EQ(sec_max + absl::Milliseconds(kint64min), rem); |
| |
| // |
| // operator/(Duration, Duration) is a wrapper for IDivDuration(). |
| // |
| |
| // IEEE 754 says inf / inf should be nan, but int64_t doesn't have |
| // nan so we'll return kint64max/kint64min instead. |
| EXPECT_TRUE(std::isnan(dbl_inf / dbl_inf)); |
| EXPECT_EQ(kint64max, inf / inf); |
| EXPECT_EQ(kint64max, -inf / -inf); |
| EXPECT_EQ(kint64min, -inf / inf); |
| EXPECT_EQ(kint64min, inf / -inf); |
| |
| EXPECT_TRUE(std::isinf(dbl_inf / 2.0)); |
| EXPECT_EQ(kint64max, inf / any_dur); |
| EXPECT_EQ(kint64max, -inf / -any_dur); |
| EXPECT_EQ(kint64min, -inf / any_dur); |
| EXPECT_EQ(kint64min, inf / -any_dur); |
| |
| EXPECT_EQ(0.0, 2.0 / dbl_inf); |
| EXPECT_EQ(0, any_dur / inf); |
| EXPECT_EQ(0, any_dur / -inf); |
| EXPECT_EQ(0, -any_dur / inf); |
| EXPECT_EQ(0, -any_dur / -inf); |
| EXPECT_EQ(0, absl::ZeroDuration() / inf); |
| |
| // Division of Duration by a Duration overflow/underflow |
| EXPECT_EQ(kint64max, sec_max / absl::Milliseconds(1)); |
| EXPECT_EQ(kint64max, -sec_max / -absl::Milliseconds(1)); |
| EXPECT_EQ(kint64min, -sec_max / absl::Milliseconds(1)); |
| EXPECT_EQ(kint64min, sec_max / -absl::Milliseconds(1)); |
| } |
| |
| TEST(Duration, InfinityFDiv) { |
| const absl::Duration any_dur = absl::Seconds(1); |
| const absl::Duration inf = absl::InfiniteDuration(); |
| const double dbl_inf = std::numeric_limits<double>::infinity(); |
| |
| EXPECT_EQ(dbl_inf, absl::FDivDuration(inf, inf)); |
| EXPECT_EQ(dbl_inf, absl::FDivDuration(-inf, -inf)); |
| EXPECT_EQ(dbl_inf, absl::FDivDuration(inf, any_dur)); |
| EXPECT_EQ(0.0, absl::FDivDuration(any_dur, inf)); |
| EXPECT_EQ(dbl_inf, absl::FDivDuration(-inf, -any_dur)); |
| EXPECT_EQ(0.0, absl::FDivDuration(-any_dur, -inf)); |
| |
| EXPECT_EQ(-dbl_inf, absl::FDivDuration(-inf, inf)); |
| EXPECT_EQ(-dbl_inf, absl::FDivDuration(inf, -inf)); |
| EXPECT_EQ(-dbl_inf, absl::FDivDuration(-inf, any_dur)); |
| EXPECT_EQ(0.0, absl::FDivDuration(-any_dur, inf)); |
| EXPECT_EQ(-dbl_inf, absl::FDivDuration(inf, -any_dur)); |
| EXPECT_EQ(0.0, absl::FDivDuration(any_dur, -inf)); |
| } |
| |
| TEST(Duration, DivisionByZero) { |
| const absl::Duration zero = absl::ZeroDuration(); |
| const absl::Duration inf = absl::InfiniteDuration(); |
| const absl::Duration any_dur = absl::Seconds(1); |
| const double dbl_inf = std::numeric_limits<double>::infinity(); |
| const double dbl_denorm = std::numeric_limits<double>::denorm_min(); |
| |
| // IEEE 754 behavior |
| double z = 0.0, two = 2.0; |
| EXPECT_TRUE(std::isinf(two / z)); |
| EXPECT_TRUE(std::isnan(z / z)); // We'll return inf |
| |
| // Operator/(Duration, double) |
| EXPECT_EQ(inf, zero / 0.0); |
| EXPECT_EQ(-inf, zero / -0.0); |
| EXPECT_EQ(inf, any_dur / 0.0); |
| EXPECT_EQ(-inf, any_dur / -0.0); |
| EXPECT_EQ(-inf, -any_dur / 0.0); |
| EXPECT_EQ(inf, -any_dur / -0.0); |
| |
| // Tests dividing by a number very close to, but not quite zero. |
| EXPECT_EQ(zero, zero / dbl_denorm); |
| EXPECT_EQ(zero, zero / -dbl_denorm); |
| EXPECT_EQ(inf, any_dur / dbl_denorm); |
| EXPECT_EQ(-inf, any_dur / -dbl_denorm); |
| EXPECT_EQ(-inf, -any_dur / dbl_denorm); |
| EXPECT_EQ(inf, -any_dur / -dbl_denorm); |
| |
| // IDiv |
| absl::Duration rem = zero; |
| EXPECT_EQ(kint64max, absl::IDivDuration(zero, zero, &rem)); |
| EXPECT_EQ(inf, rem); |
| |
| rem = zero; |
| EXPECT_EQ(kint64max, absl::IDivDuration(any_dur, zero, &rem)); |
| EXPECT_EQ(inf, rem); |
| |
| rem = zero; |
| EXPECT_EQ(kint64min, absl::IDivDuration(-any_dur, zero, &rem)); |
| EXPECT_EQ(-inf, rem); |
| |
| // Operator/(Duration, Duration) |
| EXPECT_EQ(kint64max, zero / zero); |
| EXPECT_EQ(kint64max, any_dur / zero); |
| EXPECT_EQ(kint64min, -any_dur / zero); |
| |
| // FDiv |
| EXPECT_EQ(dbl_inf, absl::FDivDuration(zero, zero)); |
| EXPECT_EQ(dbl_inf, absl::FDivDuration(any_dur, zero)); |
| EXPECT_EQ(-dbl_inf, absl::FDivDuration(-any_dur, zero)); |
| } |
| |
| TEST(Duration, Range) { |
| const absl::Duration range = ApproxYears(100 * 1e9); |
| const absl::Duration range_future = range; |
| const absl::Duration range_past = -range; |
| |
| EXPECT_LT(range_future, absl::InfiniteDuration()); |
| EXPECT_GT(range_past, -absl::InfiniteDuration()); |
| |
| const absl::Duration full_range = range_future - range_past; |
| EXPECT_GT(full_range, absl::ZeroDuration()); |
| EXPECT_LT(full_range, absl::InfiniteDuration()); |
| |
| const absl::Duration neg_full_range = range_past - range_future; |
| EXPECT_LT(neg_full_range, absl::ZeroDuration()); |
| EXPECT_GT(neg_full_range, -absl::InfiniteDuration()); |
| |
| EXPECT_LT(neg_full_range, full_range); |
| EXPECT_EQ(neg_full_range, -full_range); |
| } |
| |
| TEST(Duration, RelationalOperators) { |
| #define TEST_REL_OPS(UNIT) \ |
| static_assert(UNIT(2) == UNIT(2), ""); \ |
| static_assert(UNIT(1) != UNIT(2), ""); \ |
| static_assert(UNIT(1) < UNIT(2), ""); \ |
| static_assert(UNIT(3) > UNIT(2), ""); \ |
| static_assert(UNIT(1) <= UNIT(2), ""); \ |
| static_assert(UNIT(2) <= UNIT(2), ""); \ |
| static_assert(UNIT(3) >= UNIT(2), ""); \ |
| static_assert(UNIT(2) >= UNIT(2), ""); |
| |
| TEST_REL_OPS(absl::Nanoseconds); |
| TEST_REL_OPS(absl::Microseconds); |
| TEST_REL_OPS(absl::Milliseconds); |
| TEST_REL_OPS(absl::Seconds); |
| TEST_REL_OPS(absl::Minutes); |
| TEST_REL_OPS(absl::Hours); |
| |
| #undef TEST_REL_OPS |
| } |
| |
| TEST(Duration, Addition) { |
| #define TEST_ADD_OPS(UNIT) \ |
| do { \ |
| EXPECT_EQ(UNIT(2), UNIT(1) + UNIT(1)); \ |
| EXPECT_EQ(UNIT(1), UNIT(2) - UNIT(1)); \ |
| EXPECT_EQ(UNIT(0), UNIT(2) - UNIT(2)); \ |
| EXPECT_EQ(UNIT(-1), UNIT(1) - UNIT(2)); \ |
| EXPECT_EQ(UNIT(-2), UNIT(0) - UNIT(2)); \ |
| EXPECT_EQ(UNIT(-2), UNIT(1) - UNIT(3)); \ |
| absl::Duration a = UNIT(1); \ |
| a += UNIT(1); \ |
| EXPECT_EQ(UNIT(2), a); \ |
| a -= UNIT(1); \ |
| EXPECT_EQ(UNIT(1), a); \ |
| } while (0) |
| |
| TEST_ADD_OPS(absl::Nanoseconds); |
| TEST_ADD_OPS(absl::Microseconds); |
| TEST_ADD_OPS(absl::Milliseconds); |
| TEST_ADD_OPS(absl::Seconds); |
| TEST_ADD_OPS(absl::Minutes); |
| TEST_ADD_OPS(absl::Hours); |
| |
| #undef TEST_ADD_OPS |
| |
| EXPECT_EQ(absl::Seconds(2), absl::Seconds(3) - 2 * absl::Milliseconds(500)); |
| EXPECT_EQ(absl::Seconds(2) + absl::Milliseconds(500), |
| absl::Seconds(3) - absl::Milliseconds(500)); |
| |
| EXPECT_EQ(absl::Seconds(1) + absl::Milliseconds(998), |
| absl::Milliseconds(999) + absl::Milliseconds(999)); |
| |
| EXPECT_EQ(absl::Milliseconds(-1), |
| absl::Milliseconds(998) - absl::Milliseconds(999)); |
| |
| // Tests fractions of a nanoseconds. These are implementation details only. |
| EXPECT_GT(absl::Nanoseconds(1), absl::Nanoseconds(1) / 2); |
| EXPECT_EQ(absl::Nanoseconds(1), |
| absl::Nanoseconds(1) / 2 + absl::Nanoseconds(1) / 2); |
| EXPECT_GT(absl::Nanoseconds(1) / 4, absl::Nanoseconds(0)); |
| EXPECT_EQ(absl::Nanoseconds(1) / 8, absl::Nanoseconds(0)); |
| |
| // Tests subtraction that will cause wrap around of the rep_lo_ bits. |
| absl::Duration d_7_5 = absl::Seconds(7) + absl::Milliseconds(500); |
| absl::Duration d_3_7 = absl::Seconds(3) + absl::Milliseconds(700); |
| absl::Duration ans_3_8 = absl::Seconds(3) + absl::Milliseconds(800); |
| EXPECT_EQ(ans_3_8, d_7_5 - d_3_7); |
| |
| // Subtracting min_duration |
| absl::Duration min_dur = absl::Seconds(kint64min); |
| EXPECT_EQ(absl::Seconds(0), min_dur - min_dur); |
| EXPECT_EQ(absl::Seconds(kint64max), absl::Seconds(-1) - min_dur); |
| } |
| |
| TEST(Duration, Negation) { |
| // By storing negations of various values in constexpr variables we |
| // verify that the initializers are constant expressions. |
| constexpr absl::Duration negated_zero_duration = -absl::ZeroDuration(); |
| EXPECT_EQ(negated_zero_duration, absl::ZeroDuration()); |
| |
| constexpr absl::Duration negated_infinite_duration = |
| -absl::InfiniteDuration(); |
| EXPECT_NE(negated_infinite_duration, absl::InfiniteDuration()); |
| EXPECT_EQ(-negated_infinite_duration, absl::InfiniteDuration()); |
| |
| // The public APIs to check if a duration is infinite depend on using |
| // -InfiniteDuration(), but we're trying to test operator- here, so we |
| // need to use the lower-level internal query IsInfiniteDuration. |
| EXPECT_TRUE( |
| absl::time_internal::IsInfiniteDuration(negated_infinite_duration)); |
| |
| // The largest Duration is kint64max seconds and kTicksPerSecond - 1 ticks. |
| // Using the absl::time_internal::MakeDuration API is the cleanest way to |
| // construct that Duration. |
| constexpr absl::Duration max_duration = absl::time_internal::MakeDuration( |
| kint64max, absl::time_internal::kTicksPerSecond - 1); |
| constexpr absl::Duration negated_max_duration = -max_duration; |
| // The largest negatable value is one tick above the minimum representable; |
| // it's the negation of max_duration. |
| constexpr absl::Duration nearly_min_duration = |
| absl::time_internal::MakeDuration(kint64min, int64_t{1}); |
| constexpr absl::Duration negated_nearly_min_duration = -nearly_min_duration; |
| |
| EXPECT_EQ(negated_max_duration, nearly_min_duration); |
| EXPECT_EQ(negated_nearly_min_duration, max_duration); |
| EXPECT_EQ(-(-max_duration), max_duration); |
| |
| constexpr absl::Duration min_duration = |
| absl::time_internal::MakeDuration(kint64min); |
| constexpr absl::Duration negated_min_duration = -min_duration; |
| EXPECT_EQ(negated_min_duration, absl::InfiniteDuration()); |
| } |
| |
| TEST(Duration, AbsoluteValue) { |
| EXPECT_EQ(absl::ZeroDuration(), AbsDuration(absl::ZeroDuration())); |
| EXPECT_EQ(absl::Seconds(1), AbsDuration(absl::Seconds(1))); |
| EXPECT_EQ(absl::Seconds(1), AbsDuration(absl::Seconds(-1))); |
| |
| EXPECT_EQ(absl::InfiniteDuration(), AbsDuration(absl::InfiniteDuration())); |
| EXPECT_EQ(absl::InfiniteDuration(), AbsDuration(-absl::InfiniteDuration())); |
| |
| absl::Duration max_dur = |
| absl::Seconds(kint64max) + (absl::Seconds(1) - absl::Nanoseconds(1) / 4); |
| EXPECT_EQ(max_dur, AbsDuration(max_dur)); |
| |
| absl::Duration min_dur = absl::Seconds(kint64min); |
| EXPECT_EQ(absl::InfiniteDuration(), AbsDuration(min_dur)); |
| EXPECT_EQ(max_dur, AbsDuration(min_dur + absl::Nanoseconds(1) / 4)); |
| } |
| |
| TEST(Duration, Multiplication) { |
| #define TEST_MUL_OPS(UNIT) \ |
| do { \ |
| EXPECT_EQ(UNIT(5), UNIT(2) * 2.5); \ |
| EXPECT_EQ(UNIT(2), UNIT(5) / 2.5); \ |
| EXPECT_EQ(UNIT(-5), UNIT(-2) * 2.5); \ |
| EXPECT_EQ(UNIT(-5), -UNIT(2) * 2.5); \ |
| EXPECT_EQ(UNIT(-5), UNIT(2) * -2.5); \ |
| EXPECT_EQ(UNIT(-2), UNIT(-5) / 2.5); \ |
| EXPECT_EQ(UNIT(-2), -UNIT(5) / 2.5); \ |
| EXPECT_EQ(UNIT(-2), UNIT(5) / -2.5); \ |
| EXPECT_EQ(UNIT(2), UNIT(11) % UNIT(3)); \ |
| absl::Duration a = UNIT(2); \ |
| a *= 2.5; \ |
| EXPECT_EQ(UNIT(5), a); \ |
| a /= 2.5; \ |
| EXPECT_EQ(UNIT(2), a); \ |
| a %= UNIT(1); \ |
| EXPECT_EQ(UNIT(0), a); \ |
| absl::Duration big = UNIT(1000000000); \ |
| big *= 3; \ |
| big /= 3; \ |
| EXPECT_EQ(UNIT(1000000000), big); \ |
| EXPECT_EQ(-UNIT(2), -UNIT(2)); \ |
| EXPECT_EQ(-UNIT(2), UNIT(2) * -1); \ |
| EXPECT_EQ(-UNIT(2), -1 * UNIT(2)); \ |
| EXPECT_EQ(-UNIT(-2), UNIT(2)); \ |
| EXPECT_EQ(2, UNIT(2) / UNIT(1)); \ |
| absl::Duration rem; \ |
| EXPECT_EQ(2, absl::IDivDuration(UNIT(2), UNIT(1), &rem)); \ |
| EXPECT_EQ(2.0, absl::FDivDuration(UNIT(2), UNIT(1))); \ |
| } while (0) |
| |
| TEST_MUL_OPS(absl::Nanoseconds); |
| TEST_MUL_OPS(absl::Microseconds); |
| TEST_MUL_OPS(absl::Milliseconds); |
| TEST_MUL_OPS(absl::Seconds); |
| TEST_MUL_OPS(absl::Minutes); |
| TEST_MUL_OPS(absl::Hours); |
| |
| #undef TEST_MUL_OPS |
| |
| // Ensures that multiplication and division by 1 with a maxed-out durations |
| // doesn't lose precision. |
| absl::Duration max_dur = |
| absl::Seconds(kint64max) + (absl::Seconds(1) - absl::Nanoseconds(1) / 4); |
| absl::Duration min_dur = absl::Seconds(kint64min); |
| EXPECT_EQ(max_dur, max_dur * 1); |
| EXPECT_EQ(max_dur, max_dur / 1); |
| EXPECT_EQ(min_dur, min_dur * 1); |
| EXPECT_EQ(min_dur, min_dur / 1); |
| |
| // Tests division on a Duration with a large number of significant digits. |
| // Tests when the digits span hi and lo as well as only in hi. |
| absl::Duration sigfigs = absl::Seconds(2000000000) + absl::Nanoseconds(3); |
| EXPECT_EQ(absl::Seconds(666666666) + absl::Nanoseconds(666666667) + |
| absl::Nanoseconds(1) / 2, |
| sigfigs / 3); |
| sigfigs = absl::Seconds(7000000000LL); |
| EXPECT_EQ(absl::Seconds(2333333333) + absl::Nanoseconds(333333333) + |
| absl::Nanoseconds(1) / 4, |
| sigfigs / 3); |
| |
| EXPECT_EQ(absl::Seconds(7) + absl::Milliseconds(500), absl::Seconds(3) * 2.5); |
| EXPECT_EQ(absl::Seconds(8) * -1 + absl::Milliseconds(300), |
| (absl::Seconds(2) + absl::Milliseconds(200)) * -3.5); |
| EXPECT_EQ(-absl::Seconds(8) + absl::Milliseconds(300), |
| (absl::Seconds(2) + absl::Milliseconds(200)) * -3.5); |
| EXPECT_EQ(absl::Seconds(1) + absl::Milliseconds(875), |
| (absl::Seconds(7) + absl::Milliseconds(500)) / 4); |
| EXPECT_EQ(absl::Seconds(30), |
| (absl::Seconds(7) + absl::Milliseconds(500)) / 0.25); |
| EXPECT_EQ(absl::Seconds(3), |
| (absl::Seconds(7) + absl::Milliseconds(500)) / 2.5); |
| |
| // Tests division remainder. |
| EXPECT_EQ(absl::Nanoseconds(0), absl::Nanoseconds(7) % absl::Nanoseconds(1)); |
| EXPECT_EQ(absl::Nanoseconds(0), absl::Nanoseconds(0) % absl::Nanoseconds(10)); |
| EXPECT_EQ(absl::Nanoseconds(2), absl::Nanoseconds(7) % absl::Nanoseconds(5)); |
| EXPECT_EQ(absl::Nanoseconds(2), absl::Nanoseconds(2) % absl::Nanoseconds(5)); |
| |
| EXPECT_EQ(absl::Nanoseconds(1), absl::Nanoseconds(10) % absl::Nanoseconds(3)); |
| EXPECT_EQ(absl::Nanoseconds(1), |
| absl::Nanoseconds(10) % absl::Nanoseconds(-3)); |
| EXPECT_EQ(absl::Nanoseconds(-1), |
| absl::Nanoseconds(-10) % absl::Nanoseconds(3)); |
| EXPECT_EQ(absl::Nanoseconds(-1), |
| absl::Nanoseconds(-10) % absl::Nanoseconds(-3)); |
| |
| EXPECT_EQ(absl::Milliseconds(100), |
| absl::Seconds(1) % absl::Milliseconds(300)); |
| EXPECT_EQ( |
| absl::Milliseconds(300), |
| (absl::Seconds(3) + absl::Milliseconds(800)) % absl::Milliseconds(500)); |
| |
| EXPECT_EQ(absl::Nanoseconds(1), absl::Nanoseconds(1) % absl::Seconds(1)); |
| EXPECT_EQ(absl::Nanoseconds(-1), absl::Nanoseconds(-1) % absl::Seconds(1)); |
| EXPECT_EQ(0, absl::Nanoseconds(-1) / absl::Seconds(1)); // Actual -1e-9 |
| |
| // Tests identity a = (a/b)*b + a%b |
| #define TEST_MOD_IDENTITY(a, b) \ |
| EXPECT_EQ((a), ((a) / (b))*(b) + ((a)%(b))) |
| |
| TEST_MOD_IDENTITY(absl::Seconds(0), absl::Seconds(2)); |
| TEST_MOD_IDENTITY(absl::Seconds(1), absl::Seconds(1)); |
| TEST_MOD_IDENTITY(absl::Seconds(1), absl::Seconds(2)); |
| TEST_MOD_IDENTITY(absl::Seconds(2), absl::Seconds(1)); |
| |
| TEST_MOD_IDENTITY(absl::Seconds(-2), absl::Seconds(1)); |
| TEST_MOD_IDENTITY(absl::Seconds(2), absl::Seconds(-1)); |
| TEST_MOD_IDENTITY(absl::Seconds(-2), absl::Seconds(-1)); |
| |
| TEST_MOD_IDENTITY(absl::Nanoseconds(0), absl::Nanoseconds(2)); |
| TEST_MOD_IDENTITY(absl::Nanoseconds(1), absl::Nanoseconds(1)); |
| TEST_MOD_IDENTITY(absl::Nanoseconds(1), absl::Nanoseconds(2)); |
| TEST_MOD_IDENTITY(absl::Nanoseconds(2), absl::Nanoseconds(1)); |
| |
| TEST_MOD_IDENTITY(absl::Nanoseconds(-2), absl::Nanoseconds(1)); |
| TEST_MOD_IDENTITY(absl::Nanoseconds(2), absl::Nanoseconds(-1)); |
| TEST_MOD_IDENTITY(absl::Nanoseconds(-2), absl::Nanoseconds(-1)); |
| |
| // Mixed seconds + subseconds |
| absl::Duration mixed_a = absl::Seconds(1) + absl::Nanoseconds(2); |
| absl::Duration mixed_b = absl::Seconds(1) + absl::Nanoseconds(3); |
| |
| TEST_MOD_IDENTITY(absl::Seconds(0), mixed_a); |
| TEST_MOD_IDENTITY(mixed_a, mixed_a); |
| TEST_MOD_IDENTITY(mixed_a, mixed_b); |
| TEST_MOD_IDENTITY(mixed_b, mixed_a); |
| |
| TEST_MOD_IDENTITY(-mixed_a, mixed_b); |
| TEST_MOD_IDENTITY(mixed_a, -mixed_b); |
| TEST_MOD_IDENTITY(-mixed_a, -mixed_b); |
| |
| #undef TEST_MOD_IDENTITY |
| } |
| |
| TEST(Duration, Truncation) { |
| const absl::Duration d = absl::Nanoseconds(1234567890); |
| const absl::Duration inf = absl::InfiniteDuration(); |
| for (int unit_sign : {1, -1}) { // sign shouldn't matter |
| EXPECT_EQ(absl::Nanoseconds(1234567890), |
| Trunc(d, unit_sign * absl::Nanoseconds(1))); |
| EXPECT_EQ(absl::Microseconds(1234567), |
| Trunc(d, unit_sign * absl::Microseconds(1))); |
| EXPECT_EQ(absl::Milliseconds(1234), |
| Trunc(d, unit_sign * absl::Milliseconds(1))); |
| EXPECT_EQ(absl::Seconds(1), Trunc(d, unit_sign * absl::Seconds(1))); |
| EXPECT_EQ(inf, Trunc(inf, unit_sign * absl::Seconds(1))); |
| |
| EXPECT_EQ(absl::Nanoseconds(-1234567890), |
| Trunc(-d, unit_sign * absl::Nanoseconds(1))); |
| EXPECT_EQ(absl::Microseconds(-1234567), |
| Trunc(-d, unit_sign * absl::Microseconds(1))); |
| EXPECT_EQ(absl::Milliseconds(-1234), |
| Trunc(-d, unit_sign * absl::Milliseconds(1))); |
| EXPECT_EQ(absl::Seconds(-1), Trunc(-d, unit_sign * absl::Seconds(1))); |
| EXPECT_EQ(-inf, Trunc(-inf, unit_sign * absl::Seconds(1))); |
| } |
| } |
| |
| TEST(Duration, Flooring) { |
| const absl::Duration d = absl::Nanoseconds(1234567890); |
| const absl::Duration inf = absl::InfiniteDuration(); |
| for (int unit_sign : {1, -1}) { // sign shouldn't matter |
| EXPECT_EQ(absl::Nanoseconds(1234567890), |
| absl::Floor(d, unit_sign * absl::Nanoseconds(1))); |
| EXPECT_EQ(absl::Microseconds(1234567), |
| absl::Floor(d, unit_sign * absl::Microseconds(1))); |
| EXPECT_EQ(absl::Milliseconds(1234), |
| absl::Floor(d, unit_sign * absl::Milliseconds(1))); |
| EXPECT_EQ(absl::Seconds(1), absl::Floor(d, unit_sign * absl::Seconds(1))); |
| EXPECT_EQ(inf, absl::Floor(inf, unit_sign * absl::Seconds(1))); |
| |
| EXPECT_EQ(absl::Nanoseconds(-1234567890), |
| absl::Floor(-d, unit_sign * absl::Nanoseconds(1))); |
| EXPECT_EQ(absl::Microseconds(-1234568), |
| absl::Floor(-d, unit_sign * absl::Microseconds(1))); |
| EXPECT_EQ(absl::Milliseconds(-1235), |
| absl::Floor(-d, unit_sign * absl::Milliseconds(1))); |
| EXPECT_EQ(absl::Seconds(-2), absl::Floor(-d, unit_sign * absl::Seconds(1))); |
| EXPECT_EQ(-inf, absl::Floor(-inf, unit_sign * absl::Seconds(1))); |
| } |
| } |
| |
| TEST(Duration, Ceiling) { |
| const absl::Duration d = absl::Nanoseconds(1234567890); |
| const absl::Duration inf = absl::InfiniteDuration(); |
| for (int unit_sign : {1, -1}) { // // sign shouldn't matter |
| EXPECT_EQ(absl::Nanoseconds(1234567890), |
| absl::Ceil(d, unit_sign * absl::Nanoseconds(1))); |
| EXPECT_EQ(absl::Microseconds(1234568), |
| absl::Ceil(d, unit_sign * absl::Microseconds(1))); |
| EXPECT_EQ(absl::Milliseconds(1235), |
| absl::Ceil(d, unit_sign * absl::Milliseconds(1))); |
| EXPECT_EQ(absl::Seconds(2), absl::Ceil(d, unit_sign * absl::Seconds(1))); |
| EXPECT_EQ(inf, absl::Ceil(inf, unit_sign * absl::Seconds(1))); |
| |
| EXPECT_EQ(absl::Nanoseconds(-1234567890), |
| absl::Ceil(-d, unit_sign * absl::Nanoseconds(1))); |
| EXPECT_EQ(absl::Microseconds(-1234567), |
| absl::Ceil(-d, unit_sign * absl::Microseconds(1))); |
| EXPECT_EQ(absl::Milliseconds(-1234), |
| absl::Ceil(-d, unit_sign * absl::Milliseconds(1))); |
| EXPECT_EQ(absl::Seconds(-1), absl::Ceil(-d, unit_sign * absl::Seconds(1))); |
| EXPECT_EQ(-inf, absl::Ceil(-inf, unit_sign * absl::Seconds(1))); |
| } |
| } |
| |
| TEST(Duration, RoundTripUnits) { |
| const int kRange = 100000; |
| |
| #define ROUND_TRIP_UNIT(U, LOW, HIGH) \ |
| do { \ |
| for (int64_t i = LOW; i < HIGH; ++i) { \ |
| absl::Duration d = absl::U(i); \ |
| if (d == absl::InfiniteDuration()) \ |
| EXPECT_EQ(kint64max, d / absl::U(1)); \ |
| else if (d == -absl::InfiniteDuration()) \ |
| EXPECT_EQ(kint64min, d / absl::U(1)); \ |
| else \ |
| EXPECT_EQ(i, absl::U(i) / absl::U(1)); \ |
| } \ |
| } while (0) |
| |
| ROUND_TRIP_UNIT(Nanoseconds, kint64min, kint64min + kRange); |
| ROUND_TRIP_UNIT(Nanoseconds, -kRange, kRange); |
| ROUND_TRIP_UNIT(Nanoseconds, kint64max - kRange, kint64max); |
| |
| ROUND_TRIP_UNIT(Microseconds, kint64min, kint64min + kRange); |
| ROUND_TRIP_UNIT(Microseconds, -kRange, kRange); |
| ROUND_TRIP_UNIT(Microseconds, kint64max - kRange, kint64max); |
| |
| ROUND_TRIP_UNIT(Milliseconds, kint64min, kint64min + kRange); |
| ROUND_TRIP_UNIT(Milliseconds, -kRange, kRange); |
| ROUND_TRIP_UNIT(Milliseconds, kint64max - kRange, kint64max); |
| |
| ROUND_TRIP_UNIT(Seconds, kint64min, kint64min + kRange); |
| ROUND_TRIP_UNIT(Seconds, -kRange, kRange); |
| ROUND_TRIP_UNIT(Seconds, kint64max - kRange, kint64max); |
| |
| ROUND_TRIP_UNIT(Minutes, kint64min / 60, kint64min / 60 + kRange); |
| ROUND_TRIP_UNIT(Minutes, -kRange, kRange); |
| ROUND_TRIP_UNIT(Minutes, kint64max / 60 - kRange, kint64max / 60); |
| |
| ROUND_TRIP_UNIT(Hours, kint64min / 3600, kint64min / 3600 + kRange); |
| ROUND_TRIP_UNIT(Hours, -kRange, kRange); |
| ROUND_TRIP_UNIT(Hours, kint64max / 3600 - kRange, kint64max / 3600); |
| |
| #undef ROUND_TRIP_UNIT |
| } |
| |
| TEST(Duration, TruncConversions) { |
| // Tests ToTimespec()/DurationFromTimespec() |
| const struct { |
| absl::Duration d; |
| timespec ts; |
| } to_ts[] = { |
| {absl::Seconds(1) + absl::Nanoseconds(1), {1, 1}}, |
| {absl::Seconds(1) + absl::Nanoseconds(1) / 2, {1, 0}}, |
| {absl::Seconds(1) + absl::Nanoseconds(0), {1, 0}}, |
| {absl::Seconds(0) + absl::Nanoseconds(0), {0, 0}}, |
| {absl::Seconds(0) - absl::Nanoseconds(1) / 2, {0, 0}}, |
| {absl::Seconds(0) - absl::Nanoseconds(1), {-1, 999999999}}, |
| {absl::Seconds(-1) + absl::Nanoseconds(1), {-1, 1}}, |
| {absl::Seconds(-1) + absl::Nanoseconds(1) / 2, {-1, 1}}, |
| {absl::Seconds(-1) + absl::Nanoseconds(0), {-1, 0}}, |
| {absl::Seconds(-1) - absl::Nanoseconds(1) / 2, {-1, 0}}, |
| }; |
| for (const auto& test : to_ts) { |
| EXPECT_THAT(absl::ToTimespec(test.d), TimespecMatcher(test.ts)); |
| } |
| const struct { |
| timespec ts; |
| absl::Duration d; |
| } from_ts[] = { |
| {{1, 1}, absl::Seconds(1) + absl::Nanoseconds(1)}, |
| {{1, 0}, absl::Seconds(1) + absl::Nanoseconds(0)}, |
| {{0, 0}, absl::Seconds(0) + absl::Nanoseconds(0)}, |
| {{0, -1}, absl::Seconds(0) - absl::Nanoseconds(1)}, |
| {{-1, 999999999}, absl::Seconds(0) - absl::Nanoseconds(1)}, |
| {{-1, 1}, absl::Seconds(-1) + absl::Nanoseconds(1)}, |
| {{-1, 0}, absl::Seconds(-1) + absl::Nanoseconds(0)}, |
| {{-1, -1}, absl::Seconds(-1) - absl::Nanoseconds(1)}, |
| {{-2, 999999999}, absl::Seconds(-1) - absl::Nanoseconds(1)}, |
| }; |
| for (const auto& test : from_ts) { |
| EXPECT_EQ(test.d, absl::DurationFromTimespec(test.ts)); |
| } |
| |
| // Tests ToTimeval()/DurationFromTimeval() (same as timespec above) |
| const struct { |
| absl::Duration d; |
| timeval tv; |
| } to_tv[] = { |
| {absl::Seconds(1) + absl::Microseconds(1), {1, 1}}, |
| {absl::Seconds(1) + absl::Microseconds(1) / 2, {1, 0}}, |
| {absl::Seconds(1) + absl::Microseconds(0), {1, 0}}, |
| {absl::Seconds(0) + absl::Microseconds(0), {0, 0}}, |
| {absl::Seconds(0) - absl::Microseconds(1) / 2, {0, 0}}, |
| {absl::Seconds(0) - absl::Microseconds(1), {-1, 999999}}, |
| {absl::Seconds(-1) + absl::Microseconds(1), {-1, 1}}, |
| {absl::Seconds(-1) + absl::Microseconds(1) / 2, {-1, 1}}, |
| {absl::Seconds(-1) + absl::Microseconds(0), {-1, 0}}, |
| {absl::Seconds(-1) - absl::Microseconds(1) / 2, {-1, 0}}, |
| }; |
| for (const auto& test : to_tv) { |
| EXPECT_THAT(absl::ToTimeval(test.d), TimevalMatcher(test.tv)); |
| } |
| const struct { |
| timeval tv; |
| absl::Duration d; |
| } from_tv[] = { |
| {{1, 1}, absl::Seconds(1) + absl::Microseconds(1)}, |
| {{1, 0}, absl::Seconds(1) + absl::Microseconds(0)}, |
| {{0, 0}, absl::Seconds(0) + absl::Microseconds(0)}, |
| {{0, -1}, absl::Seconds(0) - absl::Microseconds(1)}, |
| {{-1, 999999}, absl::Seconds(0) - absl::Microseconds(1)}, |
| {{-1, 1}, absl::Seconds(-1) + absl::Microseconds(1)}, |
| {{-1, 0}, absl::Seconds(-1) + absl::Microseconds(0)}, |
| {{-1, -1}, absl::Seconds(-1) - absl::Microseconds(1)}, |
| {{-2, 999999}, absl::Seconds(-1) - absl::Microseconds(1)}, |
| }; |
| for (const auto& test : from_tv) { |
| EXPECT_EQ(test.d, absl::DurationFromTimeval(test.tv)); |
| } |
| } |
| |
| TEST(Duration, SmallConversions) { |
| // Special tests for conversions of small durations. |
| |
| EXPECT_EQ(absl::ZeroDuration(), absl::Seconds(0)); |
| // TODO(bww): Is the next one OK? |
| EXPECT_EQ(absl::ZeroDuration(), absl::Seconds(0.124999999e-9)); |
| EXPECT_EQ(absl::Nanoseconds(1) / 4, absl::Seconds(0.125e-9)); |
| EXPECT_EQ(absl::Nanoseconds(1) / 4, absl::Seconds(0.250e-9)); |
| EXPECT_EQ(absl::Nanoseconds(1) / 2, absl::Seconds(0.375e-9)); |
| EXPECT_EQ(absl::Nanoseconds(1) / 2, absl::Seconds(0.500e-9)); |
| EXPECT_EQ(absl::Nanoseconds(3) / 4, absl::Seconds(0.625e-9)); |
| EXPECT_EQ(absl::Nanoseconds(3) / 4, absl::Seconds(0.750e-9)); |
| EXPECT_EQ(absl::Nanoseconds(1), absl::Seconds(0.875e-9)); |
| EXPECT_EQ(absl::Nanoseconds(1), absl::Seconds(1.000e-9)); |
| |
| timespec ts; |
| ts.tv_sec = 0; |
| ts.tv_nsec = 0; |
| EXPECT_THAT(ToTimespec(absl::Nanoseconds(0)), TimespecMatcher(ts)); |
| // TODO(bww): Are the next three OK? |
| EXPECT_THAT(ToTimespec(absl::Nanoseconds(1) / 4), TimespecMatcher(ts)); |
| EXPECT_THAT(ToTimespec(absl::Nanoseconds(2) / 4), TimespecMatcher(ts)); |
| EXPECT_THAT(ToTimespec(absl::Nanoseconds(3) / 4), TimespecMatcher(ts)); |
| ts.tv_nsec = 1; |
| EXPECT_THAT(ToTimespec(absl::Nanoseconds(4) / 4), TimespecMatcher(ts)); |
| EXPECT_THAT(ToTimespec(absl::Nanoseconds(5) / 4), TimespecMatcher(ts)); |
| EXPECT_THAT(ToTimespec(absl::Nanoseconds(6) / 4), TimespecMatcher(ts)); |
| EXPECT_THAT(ToTimespec(absl::Nanoseconds(7) / 4), TimespecMatcher(ts)); |
| ts.tv_nsec = 2; |
| EXPECT_THAT(ToTimespec(absl::Nanoseconds(8) / 4), TimespecMatcher(ts)); |
| |
| timeval tv; |
| tv.tv_sec = 0; |
| tv.tv_usec = 0; |
| EXPECT_THAT(ToTimeval(absl::Nanoseconds(0)), TimevalMatcher(tv)); |
| // TODO(bww): Is the next one OK? |
| EXPECT_THAT(ToTimeval(absl::Nanoseconds(999)), TimevalMatcher(tv)); |
| tv.tv_usec = 1; |
| EXPECT_THAT(ToTimeval(absl::Nanoseconds(1000)), TimevalMatcher(tv)); |
| EXPECT_THAT(ToTimeval(absl::Nanoseconds(1999)), TimevalMatcher(tv)); |
| tv.tv_usec = 2; |
| EXPECT_THAT(ToTimeval(absl::Nanoseconds(2000)), TimevalMatcher(tv)); |
| } |
| |
| TEST(Duration, ConversionSaturation) { |
| absl::Duration d; |
| |
| const auto max_timeval_sec = |
| std::numeric_limits<decltype(timeval::tv_sec)>::max(); |
| const auto min_timeval_sec = |
| std::numeric_limits<decltype(timeval::tv_sec)>::min(); |
| timeval tv; |
| tv.tv_sec = max_timeval_sec; |
| tv.tv_usec = 999998; |
| d = absl::DurationFromTimeval(tv); |
| tv = ToTimeval(d); |
| EXPECT_EQ(max_timeval_sec, tv.tv_sec); |
| EXPECT_EQ(999998, tv.tv_usec); |
| d += absl::Microseconds(1); |
| tv = ToTimeval(d); |
| EXPECT_EQ(max_timeval_sec, tv.tv_sec); |
| EXPECT_EQ(999999, tv.tv_usec); |
| d += absl::Microseconds(1); // no effect |
| tv = ToTimeval(d); |
| EXPECT_EQ(max_timeval_sec, tv.tv_sec); |
| EXPECT_EQ(999999, tv.tv_usec); |
| |
| tv.tv_sec = min_timeval_sec; |
| tv.tv_usec = 1; |
| d = absl::DurationFromTimeval(tv); |
| tv = ToTimeval(d); |
| EXPECT_EQ(min_timeval_sec, tv.tv_sec); |
| EXPECT_EQ(1, tv.tv_usec); |
| d -= absl::Microseconds(1); |
| tv = ToTimeval(d); |
| EXPECT_EQ(min_timeval_sec, tv.tv_sec); |
| EXPECT_EQ(0, tv.tv_usec); |
| d -= absl::Microseconds(1); // no effect |
| tv = ToTimeval(d); |
| EXPECT_EQ(min_timeval_sec, tv.tv_sec); |
| EXPECT_EQ(0, tv.tv_usec); |
| |
| const auto max_timespec_sec = |
| std::numeric_limits<decltype(timespec::tv_sec)>::max(); |
| const auto min_timespec_sec = |
| std::numeric_limits<decltype(timespec::tv_sec)>::min(); |
| timespec ts; |
| ts.tv_sec = max_timespec_sec; |
| ts.tv_nsec = 999999998; |
| d = absl::DurationFromTimespec(ts); |
| ts = absl::ToTimespec(d); |
| EXPECT_EQ(max_timespec_sec, ts.tv_sec); |
| EXPECT_EQ(999999998, ts.tv_nsec); |
| d += absl::Nanoseconds(1); |
| ts = absl::ToTimespec(d); |
| EXPECT_EQ(max_timespec_sec, ts.tv_sec); |
| EXPECT_EQ(999999999, ts.tv_nsec); |
| d += absl::Nanoseconds(1); // no effect |
| ts = absl::ToTimespec(d); |
| EXPECT_EQ(max_timespec_sec, ts.tv_sec); |
| EXPECT_EQ(999999999, ts.tv_nsec); |
| |
| ts.tv_sec = min_timespec_sec; |
| ts.tv_nsec = 1; |
| d = absl::DurationFromTimespec(ts); |
| ts = absl::ToTimespec(d); |
| EXPECT_EQ(min_timespec_sec, ts.tv_sec); |
| EXPECT_EQ(1, ts.tv_nsec); |
| d -= absl::Nanoseconds(1); |
| ts = absl::ToTimespec(d); |
| EXPECT_EQ(min_timespec_sec, ts.tv_sec); |
| EXPECT_EQ(0, ts.tv_nsec); |
| d -= absl::Nanoseconds(1); // no effect |
| ts = absl::ToTimespec(d); |
| EXPECT_EQ(min_timespec_sec, ts.tv_sec); |
| EXPECT_EQ(0, ts.tv_nsec); |
| } |
| |
| TEST(Duration, FormatDuration) { |
| // Example from Go's docs. |
| EXPECT_EQ("72h3m0.5s", |
| absl::FormatDuration(absl::Hours(72) + absl::Minutes(3) + |
| absl::Milliseconds(500))); |
| // Go's largest time: 2540400h10m10.000000000s |
| EXPECT_EQ("2540400h10m10s", |
| absl::FormatDuration(absl::Hours(2540400) + absl::Minutes(10) + |
| absl::Seconds(10))); |
| |
| EXPECT_EQ("0", absl::FormatDuration(absl::ZeroDuration())); |
| EXPECT_EQ("0", absl::FormatDuration(absl::Seconds(0))); |
| EXPECT_EQ("0", absl::FormatDuration(absl::Nanoseconds(0))); |
| |
| EXPECT_EQ("1ns", absl::FormatDuration(absl::Nanoseconds(1))); |
| EXPECT_EQ("1us", absl::FormatDuration(absl::Microseconds(1))); |
| EXPECT_EQ("1ms", absl::FormatDuration(absl::Milliseconds(1))); |
| EXPECT_EQ("1s", absl::FormatDuration(absl::Seconds(1))); |
| EXPECT_EQ("1m", absl::FormatDuration(absl::Minutes(1))); |
| EXPECT_EQ("1h", absl::FormatDuration(absl::Hours(1))); |
| |
| EXPECT_EQ("1h1m", absl::FormatDuration(absl::Hours(1) + absl::Minutes(1))); |
| EXPECT_EQ("1h1s", absl::FormatDuration(absl::Hours(1) + absl::Seconds(1))); |
| EXPECT_EQ("1m1s", absl::FormatDuration(absl::Minutes(1) + absl::Seconds(1))); |
| |
| EXPECT_EQ("1h0.25s", |
| absl::FormatDuration(absl::Hours(1) + absl::Milliseconds(250))); |
| EXPECT_EQ("1m0.25s", |
| absl::FormatDuration(absl::Minutes(1) + absl::Milliseconds(250))); |
| EXPECT_EQ("1h1m0.25s", |
| absl::FormatDuration(absl::Hours(1) + absl::Minutes(1) + |
| absl::Milliseconds(250))); |
| EXPECT_EQ("1h0.0005s", |
| absl::FormatDuration(absl::Hours(1) + absl::Microseconds(500))); |
| EXPECT_EQ("1h0.0000005s", |
| absl::FormatDuration(absl::Hours(1) + absl::Nanoseconds(500))); |
| |
| // Subsecond special case. |
| EXPECT_EQ("1.5ns", absl::FormatDuration(absl::Nanoseconds(1) + |
| absl::Nanoseconds(1) / 2)); |
| EXPECT_EQ("1.25ns", absl::FormatDuration(absl::Nanoseconds(1) + |
| absl::Nanoseconds(1) / 4)); |
| EXPECT_EQ("1ns", absl::FormatDuration(absl::Nanoseconds(1) + |
| absl::Nanoseconds(1) / 9)); |
| EXPECT_EQ("1.2us", absl::FormatDuration(absl::Microseconds(1) + |
| absl::Nanoseconds(200))); |
| EXPECT_EQ("1.2ms", absl::FormatDuration(absl::Milliseconds(1) + |
| absl::Microseconds(200))); |
| EXPECT_EQ("1.0002ms", absl::FormatDuration(absl::Milliseconds(1) + |
| absl::Nanoseconds(200))); |
| EXPECT_EQ("1.00001ms", absl::FormatDuration(absl::Milliseconds(1) + |
| absl::Nanoseconds(10))); |
| EXPECT_EQ("1.000001ms", |
| absl::FormatDuration(absl::Milliseconds(1) + absl::Nanoseconds(1))); |
| |
| // Negative durations. |
| EXPECT_EQ("-1ns", absl::FormatDuration(absl::Nanoseconds(-1))); |
| EXPECT_EQ("-1us", absl::FormatDuration(absl::Microseconds(-1))); |
| EXPECT_EQ("-1ms", absl::FormatDuration(absl::Milliseconds(-1))); |
| EXPECT_EQ("-1s", absl::FormatDuration(absl::Seconds(-1))); |
| EXPECT_EQ("-1m", absl::FormatDuration(absl::Minutes(-1))); |
| EXPECT_EQ("-1h", absl::FormatDuration(absl::Hours(-1))); |
| |
| EXPECT_EQ("-1h1m", |
| absl::FormatDuration(-(absl::Hours(1) + absl::Minutes(1)))); |
| EXPECT_EQ("-1h1s", |
| absl::FormatDuration(-(absl::Hours(1) + absl::Seconds(1)))); |
| EXPECT_EQ("-1m1s", |
| absl::FormatDuration(-(absl::Minutes(1) + absl::Seconds(1)))); |
| |
| EXPECT_EQ("-1ns", absl::FormatDuration(absl::Nanoseconds(-1))); |
| EXPECT_EQ("-1.2us", absl::FormatDuration( |
| -(absl::Microseconds(1) + absl::Nanoseconds(200)))); |
| EXPECT_EQ("-1.2ms", absl::FormatDuration( |
| -(absl::Milliseconds(1) + absl::Microseconds(200)))); |
| EXPECT_EQ("-1.0002ms", absl::FormatDuration(-(absl::Milliseconds(1) + |
| absl::Nanoseconds(200)))); |
| EXPECT_EQ("-1.00001ms", absl::FormatDuration(-(absl::Milliseconds(1) + |
| absl::Nanoseconds(10)))); |
| EXPECT_EQ("-1.000001ms", absl::FormatDuration(-(absl::Milliseconds(1) + |
| absl::Nanoseconds(1)))); |
| |
| // |
| // Interesting corner cases. |
| // |
| |
| const absl::Duration qns = absl::Nanoseconds(1) / 4; |
| const absl::Duration max_dur = |
| absl::Seconds(kint64max) + (absl::Seconds(1) - qns); |
| const absl::Duration min_dur = absl::Seconds(kint64min); |
| |
| EXPECT_EQ("0.25ns", absl::FormatDuration(qns)); |
| EXPECT_EQ("-0.25ns", absl::FormatDuration(-qns)); |
| EXPECT_EQ("2562047788015215h30m7.99999999975s", |
| absl::FormatDuration(max_dur)); |
| EXPECT_EQ("-2562047788015215h30m8s", absl::FormatDuration(min_dur)); |
| |
| // Tests printing full precision from units that print using FDivDuration |
| EXPECT_EQ("55.00000000025s", absl::FormatDuration(absl::Seconds(55) + qns)); |
| EXPECT_EQ("55.00000025ms", |
| absl::FormatDuration(absl::Milliseconds(55) + qns)); |
| EXPECT_EQ("55.00025us", absl::FormatDuration(absl::Microseconds(55) + qns)); |
| EXPECT_EQ("55.25ns", absl::FormatDuration(absl::Nanoseconds(55) + qns)); |
| |
| // Formatting infinity |
| EXPECT_EQ("inf", absl::FormatDuration(absl::InfiniteDuration())); |
| EXPECT_EQ("-inf", absl::FormatDuration(-absl::InfiniteDuration())); |
| |
| // Formatting approximately +/- 100 billion years |
| const absl::Duration huge_range = ApproxYears(100000000000); |
| EXPECT_EQ("876000000000000h", absl::FormatDuration(huge_range)); |
| EXPECT_EQ("-876000000000000h", absl::FormatDuration(-huge_range)); |
| |
| EXPECT_EQ("876000000000000h0.999999999s", |
| absl::FormatDuration(huge_range + |
| (absl::Seconds(1) - absl::Nanoseconds(1)))); |
| EXPECT_EQ("876000000000000h0.9999999995s", |
| absl::FormatDuration( |
| huge_range + (absl::Seconds(1) - absl::Nanoseconds(1) / 2))); |
| EXPECT_EQ("876000000000000h0.99999999975s", |
| absl::FormatDuration( |
| huge_range + (absl::Seconds(1) - absl::Nanoseconds(1) / 4))); |
| |
| EXPECT_EQ("-876000000000000h0.999999999s", |
| absl::FormatDuration(-huge_range - |
| (absl::Seconds(1) - absl::Nanoseconds(1)))); |
| EXPECT_EQ("-876000000000000h0.9999999995s", |
| absl::FormatDuration( |
| -huge_range - (absl::Seconds(1) - absl::Nanoseconds(1) / 2))); |
| EXPECT_EQ("-876000000000000h0.99999999975s", |
| absl::FormatDuration( |
| -huge_range - (absl::Seconds(1) - absl::Nanoseconds(1) / 4))); |
| } |
| |
| TEST(Duration, ParseDuration) { |
| absl::Duration d; |
| |
| // No specified unit. Should only work for zero and infinity. |
| EXPECT_TRUE(absl::ParseDuration("0", &d)); |
| EXPECT_EQ(absl::ZeroDuration(), d); |
| EXPECT_TRUE(absl::ParseDuration("+0", &d)); |
| EXPECT_EQ(absl::ZeroDuration(), d); |
| EXPECT_TRUE(absl::ParseDuration("-0", &d)); |
| EXPECT_EQ(absl::ZeroDuration(), d); |
| |
| EXPECT_TRUE(absl::ParseDuration("inf", &d)); |
| EXPECT_EQ(absl::InfiniteDuration(), d); |
| EXPECT_TRUE(absl::ParseDuration("+inf", &d)); |
| EXPECT_EQ(absl::InfiniteDuration(), d); |
| EXPECT_TRUE(absl::ParseDuration("-inf", &d)); |
| EXPECT_EQ(-absl::InfiniteDuration(), d); |
| EXPECT_FALSE(absl::ParseDuration("infBlah", &d)); |
| |
| // Illegal input forms. |
| EXPECT_FALSE(absl::ParseDuration("", &d)); |
| EXPECT_FALSE(absl::ParseDuration("0.0", &d)); |
| EXPECT_FALSE(absl::ParseDuration(".0", &d)); |
| EXPECT_FALSE(absl::ParseDuration(".", &d)); |
| EXPECT_FALSE(absl::ParseDuration("01", &d)); |
| EXPECT_FALSE(absl::ParseDuration("1", &d)); |
| EXPECT_FALSE(absl::ParseDuration("-1", &d)); |
| EXPECT_FALSE(absl::ParseDuration("2", &d)); |
| EXPECT_FALSE(absl::ParseDuration("2 s", &d)); |
| EXPECT_FALSE(absl::ParseDuration(".s", &d)); |
| EXPECT_FALSE(absl::ParseDuration("-.s", &d)); |
| EXPECT_FALSE(absl::ParseDuration("s", &d)); |
| EXPECT_FALSE(absl::ParseDuration(" 2s", &d)); |
| EXPECT_FALSE(absl::ParseDuration("2s ", &d)); |
| EXPECT_FALSE(absl::ParseDuration(" 2s ", &d)); |
| EXPECT_FALSE(absl::ParseDuration("2mt", &d)); |
| EXPECT_FALSE(absl::ParseDuration("1e3s", &d)); |
| |
| // One unit type. |
| EXPECT_TRUE(absl::ParseDuration("1ns", &d)); |
| EXPECT_EQ(absl::Nanoseconds(1), d); |
| EXPECT_TRUE(absl::ParseDuration("1us", &d)); |
| EXPECT_EQ(absl::Microseconds(1), d); |
| EXPECT_TRUE(absl::ParseDuration("1ms", &d)); |
| EXPECT_EQ(absl::Milliseconds(1), d); |
| EXPECT_TRUE(absl::ParseDuration("1s", &d)); |
| EXPECT_EQ(absl::Seconds(1), d); |
| EXPECT_TRUE(absl::ParseDuration("2m", &d)); |
| EXPECT_EQ(absl::Minutes(2), d); |
| EXPECT_TRUE(absl::ParseDuration("2h", &d)); |
| EXPECT_EQ(absl::Hours(2), d); |
| |
| // Huge counts of a unit. |
| EXPECT_TRUE(absl::ParseDuration("9223372036854775807us", &d)); |
| EXPECT_EQ(absl::Microseconds(9223372036854775807), d); |
| EXPECT_TRUE(absl::ParseDuration("-9223372036854775807us", &d)); |
| EXPECT_EQ(absl::Microseconds(-9223372036854775807), d); |
| |
| // Multiple units. |
| EXPECT_TRUE(absl::ParseDuration("2h3m4s", &d)); |
| EXPECT_EQ(absl::Hours(2) + absl::Minutes(3) + absl::Seconds(4), d); |
| EXPECT_TRUE(absl::ParseDuration("3m4s5us", &d)); |
| EXPECT_EQ(absl::Minutes(3) + absl::Seconds(4) + absl::Microseconds(5), d); |
| EXPECT_TRUE(absl::ParseDuration("2h3m4s5ms6us7ns", &d)); |
| EXPECT_EQ(absl::Hours(2) + absl::Minutes(3) + absl::Seconds(4) + |
| absl::Milliseconds(5) + absl::Microseconds(6) + |
| absl::Nanoseconds(7), |
| d); |
| |
| // Multiple units out of order. |
| EXPECT_TRUE(absl::ParseDuration("2us3m4s5h", &d)); |
| EXPECT_EQ(absl::Hours(5) + absl::Minutes(3) + absl::Seconds(4) + |
| absl::Microseconds(2), |
| d); |
| |
| // Fractional values of units. |
| EXPECT_TRUE(absl::ParseDuration("1.5ns", &d)); |
| EXPECT_EQ(1.5 * absl::Nanoseconds(1), d); |
| EXPECT_TRUE(absl::ParseDuration("1.5us", &d)); |
| EXPECT_EQ(1.5 * absl::Microseconds(1), d); |
| EXPECT_TRUE(absl::ParseDuration("1.5ms", &d)); |
| EXPECT_EQ(1.5 * absl::Milliseconds(1), d); |
| EXPECT_TRUE(absl::ParseDuration("1.5s", &d)); |
| EXPECT_EQ(1.5 * absl::Seconds(1), d); |
| EXPECT_TRUE(absl::ParseDuration("1.5m", &d)); |
| EXPECT_EQ(1.5 * absl::Minutes(1), d); |
| EXPECT_TRUE(absl::ParseDuration("1.5h", &d)); |
| EXPECT_EQ(1.5 * absl::Hours(1), d); |
| |
| // Huge fractional counts of a unit. |
| EXPECT_TRUE(absl::ParseDuration("0.4294967295s", &d)); |
| EXPECT_EQ(absl::Nanoseconds(429496729) + absl::Nanoseconds(1) / 2, d); |
| EXPECT_TRUE(absl::ParseDuration("0.429496729501234567890123456789s", &d)); |
| EXPECT_EQ(absl::Nanoseconds(429496729) + absl::Nanoseconds(1) / 2, d); |
| |
| // Negative durations. |
| EXPECT_TRUE(absl::ParseDuration("-1s", &d)); |
| EXPECT_EQ(absl::Seconds(-1), d); |
| EXPECT_TRUE(absl::ParseDuration("-1m", &d)); |
| EXPECT_EQ(absl::Minutes(-1), d); |
| EXPECT_TRUE(absl::ParseDuration("-1h", &d)); |
| EXPECT_EQ(absl::Hours(-1), d); |
| |
| EXPECT_TRUE(absl::ParseDuration("-1h2s", &d)); |
| EXPECT_EQ(-(absl::Hours(1) + absl::Seconds(2)), d); |
| EXPECT_FALSE(absl::ParseDuration("1h-2s", &d)); |
| EXPECT_FALSE(absl::ParseDuration("-1h-2s", &d)); |
| EXPECT_FALSE(absl::ParseDuration("-1h -2s", &d)); |
| } |
| |
| TEST(Duration, FormatParseRoundTrip) { |
| #define TEST_PARSE_ROUNDTRIP(d) \ |
| do { \ |
| std::string s = absl::FormatDuration(d); \ |
| absl::Duration dur; \ |
| EXPECT_TRUE(absl::ParseDuration(s, &dur)); \ |
| EXPECT_EQ(d, dur); \ |
| } while (0) |
| |
| TEST_PARSE_ROUNDTRIP(absl::Nanoseconds(1)); |
| TEST_PARSE_ROUNDTRIP(absl::Microseconds(1)); |
| TEST_PARSE_ROUNDTRIP(absl::Milliseconds(1)); |
| TEST_PARSE_ROUNDTRIP(absl::Seconds(1)); |
| TEST_PARSE_ROUNDTRIP(absl::Minutes(1)); |
| TEST_PARSE_ROUNDTRIP(absl::Hours(1)); |
| TEST_PARSE_ROUNDTRIP(absl::Hours(1) + absl::Nanoseconds(2)); |
| |
| TEST_PARSE_ROUNDTRIP(absl::Nanoseconds(-1)); |
| TEST_PARSE_ROUNDTRIP(absl::Microseconds(-1)); |
| TEST_PARSE_ROUNDTRIP(absl::Milliseconds(-1)); |
| TEST_PARSE_ROUNDTRIP(absl::Seconds(-1)); |
| TEST_PARSE_ROUNDTRIP(absl::Minutes(-1)); |
| TEST_PARSE_ROUNDTRIP(absl::Hours(-1)); |
| |
| TEST_PARSE_ROUNDTRIP(absl::Hours(-1) + absl::Nanoseconds(2)); |
| TEST_PARSE_ROUNDTRIP(absl::Hours(1) + absl::Nanoseconds(-2)); |
| TEST_PARSE_ROUNDTRIP(absl::Hours(-1) + absl::Nanoseconds(-2)); |
| |
| TEST_PARSE_ROUNDTRIP(absl::Nanoseconds(1) + |
| absl::Nanoseconds(1) / 4); // 1.25ns |
| |
| const absl::Duration huge_range = ApproxYears(100000000000); |
| TEST_PARSE_ROUNDTRIP(huge_range); |
| TEST_PARSE_ROUNDTRIP(huge_range + (absl::Seconds(1) - absl::Nanoseconds(1))); |
| |
| #undef TEST_PARSE_ROUNDTRIP |
| } |
| |
| } // namespace |
