diff options
Diffstat (limited to 'src/google/protobuf/util/time_util_test.cc')
| -rw-r--r-- | src/google/protobuf/util/time_util_test.cc | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/src/google/protobuf/util/time_util_test.cc b/src/google/protobuf/util/time_util_test.cc new file mode 100644 index 00000000..285740ab --- /dev/null +++ b/src/google/protobuf/util/time_util_test.cc @@ -0,0 +1,380 @@ +// 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 |