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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/storage/distributor/ownership_transfer_safe_time_point_calculator.h>
#include <vespa/vespalib/gtest/gtest.h>
namespace std::chrono {
template <typename Clock, typename Duration>
std::ostream& operator<<(std::ostream& os,
std::chrono::time_point<Clock, Duration> t)
{
os << std::chrono::duration_cast<std::chrono::milliseconds>(
t.time_since_epoch()).count() << "ms";
return os;
}
}
namespace storage::distributor {
using CalcType = OwnershipTransferSafeTimePointCalculator;
using Clock = CalcType::Clock;
using TimePoint = CalcType::TimePoint;
using namespace std::literals::chrono_literals;
TEST(OwnershipTransferSafeTimePointCalculatorTest, generated_safe_time_point_rounds_up_to_nearest_second) {
EXPECT_EQ(TimePoint(6s), CalcType(1s).safeTimePoint(TimePoint(4001ms)));
EXPECT_EQ(TimePoint(6s), CalcType(1s).safeTimePoint(TimePoint(4999ms)));
EXPECT_EQ(TimePoint(6s), CalcType(1s).safeTimePoint(TimePoint(4000ms)));
EXPECT_EQ(TimePoint(7s), CalcType(2s).safeTimePoint(TimePoint(4001ms)));
EXPECT_EQ(TimePoint(7s), CalcType(2s).safeTimePoint(TimePoint(4999ms)));
}
TEST(OwnershipTransferSafeTimePointCalculatorTest, zero_clock_skew_returns_epoch) {
EXPECT_EQ(TimePoint(0s), CalcType(0s).safeTimePoint(TimePoint(4001ms)));
}
}
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