diff options
Diffstat (limited to 'src/time/time_test.go')
| -rw-r--r-- | src/time/time_test.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/time/time_test.go b/src/time/time_test.go index 1701401ab4b..695d48b1b57 100644 --- a/src/time/time_test.go +++ b/src/time/time_test.go @@ -281,6 +281,8 @@ func TestTruncateRound(t *testing.T) { b1e9.SetInt64(1e9) testOne := func(ti, tns, di int64) bool { + t.Helper() + t0 := Unix(ti, int64(tns)).UTC() d := Duration(di) if d < 0 { @@ -367,6 +369,13 @@ func TestTruncateRound(t *testing.T) { for i := 0; i < int(b); i++ { d *= 5 } + + // Make room for unix ↔ internal conversion. + // We don't care about behavior too close to ± 2^63 Unix seconds. + // It is full of wraparounds but will never happen in a reasonable program. + // (Or maybe not? See go.dev/issue/20678. In any event, they're not handled today.) + ti >>= 1 + return testOne(ti, int64(tns), int64(d)) } quick.Check(f1, cfg) @@ -377,6 +386,7 @@ func TestTruncateRound(t *testing.T) { if d < 0 { d = -d } + ti >>= 1 // see comment in f1 return testOne(ti, int64(tns), int64(d)) } quick.Check(f2, cfg) @@ -399,6 +409,7 @@ func TestTruncateRound(t *testing.T) { // full generality f4 := func(ti int64, tns int32, di int64) bool { + ti >>= 1 // see comment in f1 return testOne(ti, int64(tns), di) } quick.Check(f4, cfg) |