| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include <google/protobuf/util/time_util.h> |
| |
| #include <ctime> |
| |
| #include <google/protobuf/timestamp.pb.h> |
| #include <google/protobuf/duration.pb.h> |
| #include <google/protobuf/testing/googletest.h> |
| #include <gtest/gtest.h> |
| |
| namespace google { |
| namespace protobuf { |
| namespace util { |
| |
| using google::protobuf::Timestamp; |
| using google::protobuf::Duration; |
| |
| namespace { |
| |
| TEST(TimeUtilTest, TimestampStringFormat) { |
| Timestamp begin, end; |
| EXPECT_TRUE(TimeUtil::FromString("0001-01-01T00:00:00Z", &begin)); |
| EXPECT_EQ(TimeUtil::kTimestampMinSeconds, begin.seconds()); |
| EXPECT_EQ(0, begin.nanos()); |
| EXPECT_TRUE(TimeUtil::FromString("9999-12-31T23:59:59.999999999Z", &end)); |
| EXPECT_EQ(TimeUtil::kTimestampMaxSeconds, end.seconds()); |
| EXPECT_EQ(999999999, end.nanos()); |
| EXPECT_EQ("0001-01-01T00:00:00Z", TimeUtil::ToString(begin)); |
| EXPECT_EQ("9999-12-31T23:59:59.999999999Z", TimeUtil::ToString(end)); |
| |
| // Test negative timestamps. |
| Timestamp time = TimeUtil::NanosecondsToTimestamp(-1); |
| EXPECT_EQ(-1, time.seconds()); |
| // Timestamp's nano part is always non-negative. |
| EXPECT_EQ(999999999, time.nanos()); |
| EXPECT_EQ("1969-12-31T23:59:59.999999999Z", TimeUtil::ToString(time)); |
| |
| // Generated output should contain 3, 6, or 9 fractional digits. |
| EXPECT_EQ("1970-01-01T00:00:00Z", |
| TimeUtil::ToString(TimeUtil::NanosecondsToTimestamp(0))); |
| EXPECT_EQ("1970-01-01T00:00:00.010Z", |
| TimeUtil::ToString(TimeUtil::NanosecondsToTimestamp(10000000))); |
| EXPECT_EQ("1970-01-01T00:00:00.000010Z", |
| TimeUtil::ToString(TimeUtil::NanosecondsToTimestamp(10000))); |
| EXPECT_EQ("1970-01-01T00:00:00.000000010Z", |
| TimeUtil::ToString(TimeUtil::NanosecondsToTimestamp(10))); |
| |
| // Parsing accepts an fractional digits as long as they fit into nano |
| // precision. |
| EXPECT_TRUE(TimeUtil::FromString("1970-01-01T00:00:00.1Z", &time)); |
| EXPECT_EQ(100000000, TimeUtil::TimestampToNanoseconds(time)); |
| EXPECT_TRUE(TimeUtil::FromString("1970-01-01T00:00:00.0001Z", &time)); |
| EXPECT_EQ(100000, TimeUtil::TimestampToNanoseconds(time)); |
| EXPECT_TRUE(TimeUtil::FromString("1970-01-01T00:00:00.0000001Z", &time)); |
| EXPECT_EQ(100, TimeUtil::TimestampToNanoseconds(time)); |
| |
| // Also accpets offsets. |
| EXPECT_TRUE(TimeUtil::FromString("1970-01-01T00:00:00-08:00", &time)); |
| EXPECT_EQ(8 * 3600, TimeUtil::TimestampToSeconds(time)); |
| } |
| |
| TEST(TimeUtilTest, DurationStringFormat) { |
| Timestamp begin, end; |
| EXPECT_TRUE(TimeUtil::FromString("0001-01-01T00:00:00Z", &begin)); |
| EXPECT_TRUE(TimeUtil::FromString("9999-12-31T23:59:59.999999999Z", &end)); |
| |
| EXPECT_EQ("315537897599.999999999s", TimeUtil::ToString(end - begin)); |
| EXPECT_EQ(999999999, (end - begin).nanos()); |
| EXPECT_EQ("-315537897599.999999999s", TimeUtil::ToString(begin - end)); |
| EXPECT_EQ(-999999999, (begin - end).nanos()); |
| |
| // Generated output should contain 3, 6, or 9 fractional digits. |
| EXPECT_EQ("1s", TimeUtil::ToString(TimeUtil::SecondsToDuration(1))); |
| EXPECT_EQ("0.010s", TimeUtil::ToString(TimeUtil::MillisecondsToDuration(10))); |
| EXPECT_EQ("0.000010s", |
| TimeUtil::ToString(TimeUtil::MicrosecondsToDuration(10))); |
| EXPECT_EQ("0.000000010s", |
| TimeUtil::ToString(TimeUtil::NanosecondsToDuration(10))); |
| |
| // Parsing accepts an fractional digits as long as they fit into nano |
| // precision. |
| Duration d; |
| EXPECT_TRUE(TimeUtil::FromString("0.1s", &d)); |
| EXPECT_EQ(100, TimeUtil::DurationToMilliseconds(d)); |
| EXPECT_TRUE(TimeUtil::FromString("0.0001s", &d)); |
| EXPECT_EQ(100, TimeUtil::DurationToMicroseconds(d)); |
| EXPECT_TRUE(TimeUtil::FromString("0.0000001s", &d)); |
| EXPECT_EQ(100, TimeUtil::DurationToNanoseconds(d)); |
| |
| // Duration must support range from -315,576,000,000s to +315576000000s |
| // which includes negative values. |
| EXPECT_TRUE(TimeUtil::FromString("315576000000.999999999s", &d)); |
| EXPECT_EQ(315576000000LL, d.seconds()); |
| EXPECT_EQ(999999999, d.nanos()); |
| EXPECT_TRUE(TimeUtil::FromString("-315576000000.999999999s", &d)); |
| EXPECT_EQ(-315576000000LL, d.seconds()); |
| EXPECT_EQ(-999999999, d.nanos()); |
| } |
| |
| TEST(TimeUtilTest, GetEpoch) { |
| EXPECT_EQ(0, TimeUtil::TimestampToNanoseconds(TimeUtil::GetEpoch())); |
| } |
| |
| TEST(TimeUtilTest, DurationIntegerConversion) { |
| EXPECT_EQ("0.000000001s", |
| TimeUtil::ToString(TimeUtil::NanosecondsToDuration(1))); |
| EXPECT_EQ("-0.000000001s", |
| TimeUtil::ToString(TimeUtil::NanosecondsToDuration(-1))); |
| EXPECT_EQ("0.000001s", |
| TimeUtil::ToString(TimeUtil::MicrosecondsToDuration(1))); |
| EXPECT_EQ("-0.000001s", |
| TimeUtil::ToString(TimeUtil::MicrosecondsToDuration(-1))); |
| EXPECT_EQ("0.001s", TimeUtil::ToString(TimeUtil::MillisecondsToDuration(1))); |
| EXPECT_EQ("-0.001s", |
| TimeUtil::ToString(TimeUtil::MillisecondsToDuration(-1))); |
| EXPECT_EQ("1s", TimeUtil::ToString(TimeUtil::SecondsToDuration(1))); |
| EXPECT_EQ("-1s", TimeUtil::ToString(TimeUtil::SecondsToDuration(-1))); |
| EXPECT_EQ("60s", TimeUtil::ToString(TimeUtil::MinutesToDuration(1))); |
| EXPECT_EQ("-60s", TimeUtil::ToString(TimeUtil::MinutesToDuration(-1))); |
| EXPECT_EQ("3600s", TimeUtil::ToString(TimeUtil::HoursToDuration(1))); |
| EXPECT_EQ("-3600s", TimeUtil::ToString(TimeUtil::HoursToDuration(-1))); |
| |
| EXPECT_EQ( |
| 1, TimeUtil::DurationToNanoseconds(TimeUtil::NanosecondsToDuration(1))); |
| EXPECT_EQ( |
| -1, TimeUtil::DurationToNanoseconds(TimeUtil::NanosecondsToDuration(-1))); |
| EXPECT_EQ( |
| 1, TimeUtil::DurationToMicroseconds(TimeUtil::MicrosecondsToDuration(1))); |
| EXPECT_EQ(-1, TimeUtil::DurationToMicroseconds( |
| TimeUtil::MicrosecondsToDuration(-1))); |
| EXPECT_EQ( |
| 1, TimeUtil::DurationToMilliseconds(TimeUtil::MillisecondsToDuration(1))); |
| EXPECT_EQ(-1, TimeUtil::DurationToMilliseconds( |
| TimeUtil::MillisecondsToDuration(-1))); |
| EXPECT_EQ(1, TimeUtil::DurationToSeconds(TimeUtil::SecondsToDuration(1))); |
| EXPECT_EQ(-1, TimeUtil::DurationToSeconds(TimeUtil::SecondsToDuration(-1))); |
| EXPECT_EQ(1, TimeUtil::DurationToMinutes(TimeUtil::MinutesToDuration(1))); |
| EXPECT_EQ(-1, TimeUtil::DurationToMinutes(TimeUtil::MinutesToDuration(-1))); |
| EXPECT_EQ(1, TimeUtil::DurationToHours(TimeUtil::HoursToDuration(1))); |
| EXPECT_EQ(-1, TimeUtil::DurationToHours(TimeUtil::HoursToDuration(-1))); |
| |
| // Test truncation behavior. |
| EXPECT_EQ(1, TimeUtil::DurationToMicroseconds( |
| TimeUtil::NanosecondsToDuration(1999))); |
| // For negative values, Duration will be rounded towards 0. |
| EXPECT_EQ(-1, TimeUtil::DurationToMicroseconds( |
| TimeUtil::NanosecondsToDuration(-1999))); |
| } |
| |
| TEST(TestUtilTest, TimestampIntegerConversion) { |
| EXPECT_EQ("1970-01-01T00:00:00.000000001Z", |
| TimeUtil::ToString(TimeUtil::NanosecondsToTimestamp(1))); |
| EXPECT_EQ("1969-12-31T23:59:59.999999999Z", |
| TimeUtil::ToString(TimeUtil::NanosecondsToTimestamp(-1))); |
| EXPECT_EQ("1970-01-01T00:00:00.000001Z", |
| TimeUtil::ToString(TimeUtil::MicrosecondsToTimestamp(1))); |
| EXPECT_EQ("1969-12-31T23:59:59.999999Z", |
| TimeUtil::ToString(TimeUtil::MicrosecondsToTimestamp(-1))); |
| EXPECT_EQ("1970-01-01T00:00:00.001Z", |
| TimeUtil::ToString(TimeUtil::MillisecondsToTimestamp(1))); |
| EXPECT_EQ("1969-12-31T23:59:59.999Z", |
| TimeUtil::ToString(TimeUtil::MillisecondsToTimestamp(-1))); |
| EXPECT_EQ("1970-01-01T00:00:01Z", |
| TimeUtil::ToString(TimeUtil::SecondsToTimestamp(1))); |
| EXPECT_EQ("1969-12-31T23:59:59Z", |
| TimeUtil::ToString(TimeUtil::SecondsToTimestamp(-1))); |
| |
| EXPECT_EQ( |
| 1, TimeUtil::TimestampToNanoseconds(TimeUtil::NanosecondsToTimestamp(1))); |
| EXPECT_EQ(-1, TimeUtil::TimestampToNanoseconds( |
| TimeUtil::NanosecondsToTimestamp(-1))); |
| EXPECT_EQ(1, TimeUtil::TimestampToMicroseconds( |
| TimeUtil::MicrosecondsToTimestamp(1))); |
| EXPECT_EQ(-1, TimeUtil::TimestampToMicroseconds( |
| TimeUtil::MicrosecondsToTimestamp(-1))); |
| EXPECT_EQ(1, TimeUtil::TimestampToMilliseconds( |
| TimeUtil::MillisecondsToTimestamp(1))); |
| EXPECT_EQ(-1, TimeUtil::TimestampToMilliseconds( |
| TimeUtil::MillisecondsToTimestamp(-1))); |
| EXPECT_EQ(1, TimeUtil::TimestampToSeconds(TimeUtil::SecondsToTimestamp(1))); |
| EXPECT_EQ(-1, TimeUtil::TimestampToSeconds(TimeUtil::SecondsToTimestamp(-1))); |
| |
| // Test truncation behavior. |
| EXPECT_EQ(1, TimeUtil::TimestampToMicroseconds( |
| TimeUtil::NanosecondsToTimestamp(1999))); |
| // For negative values, Timestamp will be rounded down. |
| // For example, "1969-12-31T23:59:59.5Z" (i.e., -0.5s) rounded to seconds |
| // will be "1969-12-31T23:59:59Z" (i.e., -1s) rather than |
| // "1970-01-01T00:00:00Z" (i.e., 0s). |
| EXPECT_EQ(-2, TimeUtil::TimestampToMicroseconds( |
| TimeUtil::NanosecondsToTimestamp(-1999))); |
| } |
| |
| TEST(TimeUtilTest, TimeTConversion) { |
| time_t value = time(NULL); |
| EXPECT_EQ(value, |
| TimeUtil::TimestampToTimeT(TimeUtil::TimeTToTimestamp(value))); |
| EXPECT_EQ( |
| 1, TimeUtil::TimestampToTimeT(TimeUtil::MillisecondsToTimestamp(1999))); |
| } |
| |
| TEST(TimeUtilTest, TimevalConversion) { |
| timeval value = TimeUtil::TimestampToTimeval( |
| TimeUtil::NanosecondsToTimestamp(1999999999)); |
| EXPECT_EQ(1, value.tv_sec); |
| EXPECT_EQ(999999, value.tv_usec); |
| value = TimeUtil::TimestampToTimeval( |
| TimeUtil::NanosecondsToTimestamp(-1999999999)); |
| EXPECT_EQ(-2, value.tv_sec); |
| EXPECT_EQ(0, value.tv_usec); |
| |
| value = |
| TimeUtil::DurationToTimeval(TimeUtil::NanosecondsToDuration(1999999999)); |
| EXPECT_EQ(1, value.tv_sec); |
| EXPECT_EQ(999999, value.tv_usec); |
| value = |
| TimeUtil::DurationToTimeval(TimeUtil::NanosecondsToDuration(-1999999999)); |
| EXPECT_EQ(-2, value.tv_sec); |
| EXPECT_EQ(1, value.tv_usec); |
| } |
| |
| TEST(TimeUtilTest, DurationOperators) { |
| Duration one_second = TimeUtil::SecondsToDuration(1); |
| Duration one_nano = TimeUtil::NanosecondsToDuration(1); |
| |
| // Test +/- |
| Duration a = one_second; |
| a += one_second; |
| a -= one_nano; |
| EXPECT_EQ("1.999999999s", TimeUtil::ToString(a)); |
| Duration b = -a; |
| EXPECT_EQ("-1.999999999s", TimeUtil::ToString(b)); |
| EXPECT_EQ("3.999999998s", TimeUtil::ToString(a + a)); |
| EXPECT_EQ("0s", TimeUtil::ToString(a + b)); |
| EXPECT_EQ("0s", TimeUtil::ToString(b + a)); |
| EXPECT_EQ("-3.999999998s", TimeUtil::ToString(b + b)); |
| EXPECT_EQ("3.999999998s", TimeUtil::ToString(a - b)); |
| EXPECT_EQ("0s", TimeUtil::ToString(a - a)); |
| EXPECT_EQ("0s", TimeUtil::ToString(b - b)); |
| EXPECT_EQ("-3.999999998s", TimeUtil::ToString(b - a)); |
| |
| // Test * |
| EXPECT_EQ(a + a, a * 2); |
| EXPECT_EQ(b + b, a * (-2)); |
| EXPECT_EQ(b + b, b * 2); |
| EXPECT_EQ(a + a, b * (-2)); |
| EXPECT_EQ("0.999999999s", TimeUtil::ToString(a * 0.5)); |
| EXPECT_EQ("-0.999999999s", TimeUtil::ToString(b * 0.5)); |
| // Multiplication should not overflow if the result fits into the supported |
| // range of Duration (intermediate result may be larger than int64). |
| EXPECT_EQ("315575999684.424s", |
| TimeUtil::ToString((one_second - one_nano) * 315576000000LL)); |
| EXPECT_EQ("-315575999684.424s", |
| TimeUtil::ToString((one_nano - one_second) * 315576000000LL)); |
| EXPECT_EQ("-315575999684.424s", |
| TimeUtil::ToString((one_second - one_nano) * (-315576000000LL))); |
| |
| // Test / and % |
| EXPECT_EQ("0.999999999s", TimeUtil::ToString(a / 2)); |
| EXPECT_EQ("-0.999999999s", TimeUtil::ToString(b / 2)); |
| Duration large = TimeUtil::SecondsToDuration(315576000000LL) - one_nano; |
| // We have to handle division with values beyond 64 bits. |
| EXPECT_EQ("0.999999999s", TimeUtil::ToString(large / 315576000000LL)); |
| EXPECT_EQ("-0.999999999s", TimeUtil::ToString((-large) / 315576000000LL)); |
| EXPECT_EQ("-0.999999999s", TimeUtil::ToString(large / (-315576000000LL))); |
| Duration large2 = large + one_nano; |
| EXPECT_EQ(large, large % large2); |
| EXPECT_EQ(-large, (-large) % large2); |
| EXPECT_EQ(large, large % (-large2)); |
| EXPECT_EQ(one_nano, large2 % large); |
| EXPECT_EQ(-one_nano, (-large2) % large); |
| EXPECT_EQ(one_nano, large2 % (-large)); |
| // Some corner cases about negative values. |
| // |
| // (-5) / 2 = -2, remainder = -1 |
| // (-5) / (-2) = 2, remainder = -1 |
| a = TimeUtil::NanosecondsToDuration(-5); |
| EXPECT_EQ(TimeUtil::NanosecondsToDuration(-2), a / 2); |
| EXPECT_EQ(TimeUtil::NanosecondsToDuration(2), a / (-2)); |
| b = TimeUtil::NanosecondsToDuration(2); |
| EXPECT_EQ(-2, a / b); |
| EXPECT_EQ(TimeUtil::NanosecondsToDuration(-1), a % b); |
| EXPECT_EQ(2, a / (-b)); |
| EXPECT_EQ(TimeUtil::NanosecondsToDuration(-1), a % (-b)); |
| |
| // Test relational operators. |
| EXPECT_TRUE(one_nano < one_second); |
| EXPECT_FALSE(one_second < one_second); |
| EXPECT_FALSE(one_second < one_nano); |
| EXPECT_FALSE(-one_nano < -one_second); |
| EXPECT_FALSE(-one_second < -one_second); |
| EXPECT_TRUE(-one_second < -one_nano); |
| EXPECT_TRUE(-one_nano < one_nano); |
| EXPECT_FALSE(one_nano < -one_nano); |
| |
| EXPECT_FALSE(one_nano > one_second); |
| EXPECT_FALSE(one_nano > one_nano); |
| EXPECT_TRUE(one_second > one_nano); |
| |
| EXPECT_FALSE(one_nano >= one_second); |
| EXPECT_TRUE(one_nano >= one_nano); |
| EXPECT_TRUE(one_second >= one_nano); |
| |
| EXPECT_TRUE(one_nano <= one_second); |
| EXPECT_TRUE(one_nano <= one_nano); |
| EXPECT_FALSE(one_second <= one_nano); |
| |
| EXPECT_TRUE(one_nano == one_nano); |
| EXPECT_FALSE(one_nano == one_second); |
| |
| EXPECT_FALSE(one_nano != one_nano); |
| EXPECT_TRUE(one_nano != one_second); |
| } |
| |
| TEST(TimeUtilTest, TimestampOperators) { |
| Timestamp begin, end; |
| EXPECT_TRUE(TimeUtil::FromString("0001-01-01T00:00:00Z", &begin)); |
| EXPECT_TRUE(TimeUtil::FromString("9999-12-31T23:59:59.999999999Z", &end)); |
| Duration d = end - begin; |
| EXPECT_TRUE(end == begin + d); |
| EXPECT_TRUE(end == d + begin); |
| EXPECT_TRUE(begin == end - d); |
| |
| // Test relational operators |
| Timestamp t1 = begin + d / 4; |
| Timestamp t2 = end - d / 4; |
| EXPECT_TRUE(t1 < t2); |
| EXPECT_FALSE(t1 < t1); |
| EXPECT_FALSE(t2 < t1); |
| EXPECT_FALSE(t1 > t2); |
| EXPECT_FALSE(t1 > t1); |
| EXPECT_TRUE(t2 > t1); |
| EXPECT_FALSE(t1 >= t2); |
| EXPECT_TRUE(t1 >= t1); |
| EXPECT_TRUE(t2 >= t1); |
| EXPECT_TRUE(t1 <= t2); |
| EXPECT_TRUE(t1 <= t1); |
| EXPECT_FALSE(t2 <= t1); |
| |
| EXPECT_FALSE(t1 == t2); |
| EXPECT_TRUE(t1 == t1); |
| EXPECT_FALSE(t2 == t1); |
| EXPECT_TRUE(t1 != t2); |
| EXPECT_FALSE(t1 != t1); |
| EXPECT_TRUE(t2 != t1); |
| } |
| |
| } // namespace |
| } // namespace util |
| } // namespace protobuf |
| } // namespace google |