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feat(time): implement timekeeping utilities (#1)

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* feat(bc): implement timekeeping

* fix(time): Milliseconds and Seconds return storage should be 64-bit

* fix(time): nsec should be explicitly cast to uint32

* test(time): rudimentary tests for timekeeping

* fix(time): check properly for timestamp + nsec overflows in MakeTime and BreakTime

* fix(time): include UNIX time headers on Mac, too

* test(time): test can tolerate system hiccups
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phaneron 2023-08-03 17:15:10 -04:00 • committed by GitHub
parent d31a66b9ca
commit 6b1ba4cdcf
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9 changed files with 567 additions and 1 deletions
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test/Time.cpp Normal file
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#include "bc/Time.hpp"
#include "bc/time/TimeConst.hpp"
#include "bc/Process.hpp"
#include "test/Test.hpp"
TEST_CASE("Blizzard::Time::FromUnixTime", "[time]") {
SECTION("convert zero Blizzard time from UNIX timestamp of Sat Jan 01 2000 00:00:00 GMT") {
auto stamp = Blizzard::Time::FromUnixTime(946684800);
REQUIRE(stamp == 0);
}
}
TEST_CASE("Blizzard::Time::ToUnixTime", "[time]") {
SECTION("convert zero Blizzard timestamp to Unix timestamp of Sat Jan 01 2000 00:00:00 GMT+0000") {
auto stamp = Blizzard::Time::ToUnixTime(0);
REQUIRE(stamp == 946684800);
}
}
TEST_CASE("Blizzard::Time::GetTimestamp", "[time]") {
SECTION("Get timestamp") {
auto now = Blizzard::Time::GetTimestamp();
REQUIRE(now > 0);
}
SECTION("Timestamp increases after 200 ms") {
auto t1 = Blizzard::Time::GetTimestamp();
Blizzard::Process::Sleep(200);
auto t2 = Blizzard::Time::GetTimestamp();
auto delta = t2 - t1;
REQUIRE(t2 > t1);
REQUIRE(delta >= 100000000);
}
}
TEST_CASE("Blizzard::Time::Nanoseconds", "[time]") {
SECTION("Read wall clock") {
auto wctime = Blizzard::Time::Nanoseconds();
REQUIRE(wctime > 0);
}
}