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ightened chrono literal usage, unsigned expectations, and added a regression test ensuring nsec overflow is normalized into

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whole seconds.
This commit is contained in:
Rtur2003 2025-12-07 19:47:04 +03:00
parent c9389b27ee
commit 2f99fe45a5
1 changed files with 20 additions and 9 deletions
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29
tests/helpers/TimeDiff.cpp
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@ -3,12 +3,12 @@
TEST(HelpersTime, DiffBorrowsNanoseconds) {
const Time::detail::sec_nsec newer{5, 1};
const Time::detail::sec_nsec older{4, 999999999};
const Time::detail::sec_nsec older{4, 999'999'999};
const auto diff = Time::detail::diff(newer, older);
EXPECT_EQ(diff.first, 0);
EXPECT_EQ(diff.second, 2);
EXPECT_EQ(diff.first, 0u);
EXPECT_EQ(diff.second, 2u);
}
TEST(HelpersTime, DiffWithoutBorrow) {
@ -17,13 +17,23 @@ TEST(HelpersTime, DiffWithoutBorrow) {
const auto diff = Time::detail::diff(newer, older);
EXPECT_EQ(diff.first, 1);
EXPECT_EQ(diff.second, 250);
EXPECT_EQ(diff.first, 1u);
EXPECT_EQ(diff.second, 250u);
}
TEST(HelpersTime, NormalizesTimespecNsecOverflow) {
const Time::detail::sec_nsec raw{1u, 2'000'000'050u};
const auto normalized = Time::detail::normalize(raw);
EXPECT_EQ(normalized.first, 3u);
EXPECT_EQ(normalized.second, 50u);
}
TEST(HelpersTime, SecNsecSteadyFixedPoint) {
using namespace std::chrono;
const Time::steady_tp tp{steady_clock::duration{seconds(1) + nanoseconds(5000)}};
using namespace std::chrono_literals;
const Time::steady_tp tp{steady_clock::duration{1s + 5000ns}};
const auto secNsec = Time::secNsec(tp);
@ -33,11 +43,12 @@ TEST(HelpersTime, SecNsecSteadyFixedPoint) {
TEST(HelpersTime, SecNsecSystemFixedPoint) {
using namespace std::chrono;
using namespace std::chrono_literals;
// 5000ns keeps compatibility with coarser system_clock periods (e.g. microseconds).
const Time::system_tp tp{system_clock::duration{seconds(2) + nanoseconds(5000)}};
const Time::system_tp tp{system_clock::duration{2s + 5000ns}};
const auto secNsec = Time::secNsec(tp);
EXPECT_EQ(secNsec.first, 2);
EXPECT_EQ(secNsec.second, 5000);
EXPECT_EQ(secNsec.first, 2u);
EXPECT_EQ(secNsec.second, 5000u);
}