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| author | Dmitry Vyukov <dvyukov@google.com> | 2022-06-03 09:18:26 +0200 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2022-06-03 17:26:50 +0200 |
| commit | 56250633ec0a1d1a77a9f35dd6fe7175142d43d9 (patch) | |
| tree | 37001a6ede86bae6e2a0db92568bff446e711e48 | |
| parent | eee80d3cd37ea7ebd6aab85c117564a4bae5bc4e (diff) | |
prog: allow to use fixed test seed w/o rebuilding tests
Currently reproducing crashed with a particular seed requires
changing sources and rebuilding the test.
Make it possible to provide seed via env var.
| -rw-r--r-- | prog/export_test.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/prog/export_test.go b/prog/export_test.go index 415b03047..4a116dc49 100644 --- a/prog/export_test.go +++ b/prog/export_test.go @@ -7,6 +7,7 @@ import ( "fmt" "math/rand" "os" + "strconv" "testing" "time" @@ -27,6 +28,9 @@ var ( func randSource(t *testing.T) rand.Source { seed := time.Now().UnixNano() + if fixed := os.Getenv("SYZ_SEED"); fixed != "" { + seed, _ = strconv.ParseInt(fixed, 0, 64) + } if os.Getenv("CI") != "" { seed = 0 // required for deterministic coverage reports } |