diff options
Diffstat (limited to 'src/testing/quick/quick.go')
| -rw-r--r-- | src/testing/quick/quick.go | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/testing/quick/quick.go b/src/testing/quick/quick.go index 35b7b636b4..0e36810eb6 100644 --- a/src/testing/quick/quick.go +++ b/src/testing/quick/quick.go @@ -102,12 +102,16 @@ func Value(t reflect.Type, rand *rand.Rand) (value reflect.Value, ok bool) { v.SetMapIndex(key, value) } case reflect.Ptr: - elem, ok := Value(concrete.Elem(), rand) - if !ok { - return reflect.Value{}, false + if rand.Intn(complexSize) == 0 { + v.Set(reflect.Zero(concrete)) // Generate nil pointer. + } else { + elem, ok := Value(concrete.Elem(), rand) + if !ok { + return reflect.Value{}, false + } + v.Set(reflect.New(concrete.Elem())) + v.Elem().Set(elem) } - v.Set(reflect.New(concrete.Elem())) - v.Elem().Set(elem) case reflect.Slice: numElems := rand.Intn(complexSize) v.Set(reflect.MakeSlice(concrete, numElems, numElems)) |