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c3c/test/unit/stdlib/time/time.c3
2025-05-07 10:49:30 +02:00

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module nanoduration_test @test;
import std::io;
import std::time;
fn void time_diff()
{
Time t = time::now();
Time t2 = t + time::SEC;
test::eq(t2 - t, time::SEC);
test::ne(t, t2);
test::eq(t, t);
t2 = t2 - time::SEC;
test::eq(t, t2);
}
fn void clock_diff()
{
Clock c = clock::now();
Clock c2 = c + time::SEC.to_nano();
test::eq(c2 - c, time::SEC.to_nano());
c2 = c + time::DAY;
test::eq(c2 - c, time::DAY.to_nano());
c2 = c2 - time::DAY;
test::eq(c2, c);
}
fn void to_format()
{
char[32] buffer;
char[] buf;
buf = io::bprintf(buffer[..], "%s", (NanoDuration)123)!!;
assert(buf == "123ns", "got %s; want 123ns", buf);
buf = io::bprintf(buffer[..], "%s", (NanoDuration)123_000)!!;
assert(buf == "123µs", "got %s; want 123µs", buf);
buf = io::bprintf(buffer[..], "%s", (NanoDuration)123_000_000)!!;
assert(buf == "123ms", "got %s; want 123ms", buf);
buf = io::bprintf(buffer[..], "%s", (NanoDuration)13_000_000_000)!!;
assert(buf == "13s", "got %s; want 13s", buf);
buf = io::bprintf(buffer[..], "%s", (NanoDuration)123_000_000_000)!!;
assert(buf == "2m3s", "got %s; want 2m3s", buf);
buf = io::bprintf(buffer[..], "%s", (NanoDuration)12345_000_000_000)!!;
assert(buf == "3h25m45s", "got %s; want 3h25m45s", buf);
buf = io::bprintf(buffer[..], "%s", (NanoDuration)12_100_000_000)!!;
assert(buf == "12.1s", "got %s; want 12.1s", buf);
}