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author | Dmytro Shynkevych <dmytro@tailscale.com> | 2020-05-05 18:37:54 -0400 |
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committer | David Crawshaw <crawshaw@tailscale.com> | 2020-05-06 16:01:48 +1000 |
commit | f60b3919bec891d37652edc25c48d83345d9885c (patch) | |
tree | eb4156d4891e71dc8f244e059062bc6527057396 /tai64n/tai64n.go | |
parent | da9d300cf8b50d1cf629b7fa4423d122a74a6871 (diff) | |
download | wireguard-go-f60b3919bec891d37652edc25c48d83345d9885c.tar.gz wireguard-go-f60b3919bec891d37652edc25c48d83345d9885c.zip |
tai64n: make the test deterministic
In the presence of preemption, the current test may fail transiently.
This uses static test data instead to ensure consistent behavior.
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
Diffstat (limited to '')
-rw-r--r-- | tai64n/tai64n.go | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/tai64n/tai64n.go b/tai64n/tai64n.go index fb32d0c..2838f4f 100644 --- a/tai64n/tai64n.go +++ b/tai64n/tai64n.go @@ -17,16 +17,19 @@ const whitenerMask = uint32(0x1000000 - 1) type Timestamp [TimestampSize]byte -func Now() Timestamp { +func stamp(t time.Time) Timestamp { var tai64n Timestamp - now := time.Now() - secs := base + uint64(now.Unix()) - nano := uint32(now.Nanosecond()) &^ whitenerMask + secs := base + uint64(t.Unix()) + nano := uint32(t.Nanosecond()) &^ whitenerMask binary.BigEndian.PutUint64(tai64n[:], secs) binary.BigEndian.PutUint32(tai64n[8:], nano) return tai64n } +func Now() Timestamp { + return stamp(time.Now()) +} + func (t1 Timestamp) After(t2 Timestamp) bool { return bytes.Compare(t1[:], t2[:]) > 0 } |