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doc: mention testing/quick RNG seeding change in Go 1.9 notes

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Also reword the testing/quick.Config field docs to conform to the
normal subject-first style. Without that style, godoc links
/pkg/testing/quick/#Config.Rand to the wrong line, since it doesn't
recognize the preceding comment as necessarily being attached.

Fixes #20809

Change-Id: I9aebbf763eed9b1ab1a153fa11850d88a65571c6
Reviewed-on: https://go-review.googlesource.com/46910
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Brad Fitzpatrick 2017-06-27 22:17:21 +00:00
parent 33b3cc1568
commit e25fdb968c
2 changed files with 23 additions and 14 deletions
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21
src/testing/quick/quick.go
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@ -175,19 +175,20 @@ func sizedValue(t reflect.Type, rand *rand.Rand, size int) (value reflect.Value,
// A Config structure contains options for running a test.
type Config struct {
// MaxCount sets the maximum number of iterations. If zero,
// MaxCountScale is used.
// MaxCount sets the maximum number of iterations.
// If zero, MaxCountScale is used.
MaxCount int
// MaxCountScale is a non-negative scale factor applied to the default
// maximum. If zero, the default is unchanged.
// MaxCountScale is a non-negative scale factor applied to the
// default maximum.
// If zero, the default is unchanged.
MaxCountScale float64
// If non-nil, rand is a source of random numbers. Otherwise a default
// pseudo-random source will be used.
// Rand specifies a source of random numbers.
// If nil, a default pseudo-random source will be used.
Rand *rand.Rand
// If non-nil, the Values function generates a slice of arbitrary
// reflect.Values that are congruent with the arguments to the function
// being tested. Otherwise, the top-level Value function is used
// to generate them.
// Values specifies a function to generate a slice of
// arbitrary reflect.Values that are congruent with the
// arguments to the function being tested.
// If nil, the top-level Value function is used to generate them.
Values func([]reflect.Value, *rand.Rand)
}