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| author | Dmitry Vyukov <dvyukov@google.com> | 2020-05-21 13:35:22 +0200 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2020-05-21 13:56:29 +0200 |
| commit | d06aafeef69b6ffb906d7015fe5b24432766a579 (patch) | |
| tree | 5a3496ad974c1f4f43f79dd96b843869d6516edb | |
| parent | 1f30020f856c65ba64fd0e7a663b1fb39c27c990 (diff) | |
prog: fix determinism in resource creation
We chosen a non-deterministic resource in createResource
due to map iteration order.
This is caught by existing TestDeterminism,
but just very infrequently.
| -rw-r--r-- | prog/rand.go | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/prog/rand.go b/prog/rand.go index b3d10cf42..8ade1780f 100644 --- a/prog/rand.go +++ b/prog/rand.go @@ -401,6 +401,9 @@ func (r *randGen) createResource(s *state, res *ResourceType, dir Dir) (arg Arg, allres = append(allres, res1...) } } + sort.SliceStable(allres, func(i, j int) bool { + return allres[i].Type().Name() < allres[j].Type().Name() + }) if len(allres) != 0 { // Bingo! arg := MakeResultArg(res, dir, allres[r.Intn(len(allres))], 0) |