// countWaiting is the number of fuzzing executions the coordinator is
	// waiting on workers to complete.
	countWaiting int64

	// corpus is a set of interesting values, including the seed corpus and
	// generated values that workers reported as interesting.
	corpus corpus

	// minimizationAllowed is true if one or more of the types of fuzz
	// function's parameters can be minimized.
	minimizationAllowed bool

	testContext *testContext

	// inFuzzFn is true when the fuzz function is running. Most F methods cannot
	// be called when inFuzzFn is true.
	inFuzzFn bool

	// corpus is a set of seed corpus entries, added with F.Add and loaded
	// from testdata.
	corpus []corpusEntry

	result     fuzzResult
	fuzzCalled bool
}

var _ TB = (*F)(nil)

// corpusEntry is an alias to the same type as internal/fuzz.CorpusEntry.

stdout FAIL
stdout 'failed some precondition'

# Test success with seed corpus in f.Fuzz
go test -run FuzzPass fuzz_add_test.go
stdout ok
! stdout FAIL
! stdout 'off by one error'

# Test fatal with seed corpus in f.Fuzz
! go test -run FuzzFatal fuzz_add_test.go
! stdout ^ok
stdout FAIL
stdout 'fatal here'

# Test panic with seed corpus in f.Fuzz
! go test -run FuzzPanic fuzz_add_test.go
! stdout ^ok

)

// encVersion1 will be the first line of a file with version 1 encoding.
var encVersion1 = "go test fuzz v1"

// marshalCorpusFile encodes an arbitrary number of arguments into the file format for the
// corpus.
func marshalCorpusFile(vals ...any) []byte {
	if len(vals) == 0 {
		panic("must have at least one value to marshal")
	}
	b := bytes.NewBuffer([]byte(encVersion1 + "\n"))

			Parent:     entryIn.Path,
			Path:       name,
			Data:       dataOut,
			Generation: entryIn.Generation + 1,
		}
		if args.Warmup {
			// The bytes weren't mutated, so if entryIn was a seed corpus value,
			// then entryOut is too.
			entryOut.IsSeed = entryIn.IsSeed
		}
	}

	return entryOut, resp, false, callErr
}