internal/fuzztest: factor out common fuzzer tests
All the fuzzers have the same test, which runs the fuzzer against every
entry in the corpus. Move the test logic into a separate package.
Change-Id: I3a7e2ca75d20a5ff6d51ed9e6151629e6667684b
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/212258
Reviewed-by: Joe Tsai <joetsai@google.com>
diff --git a/internal/fuzz/jsonfuzz/fuzz.go b/internal/fuzz/jsonfuzz/fuzz.go
index 969ad6d..b990346 100644
--- a/internal/fuzz/jsonfuzz/fuzz.go
+++ b/internal/fuzz/jsonfuzz/fuzz.go
@@ -2,8 +2,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// Package textfuzz includes a fuzzer for the text marshaler and unmarshaler.
-package textfuzz
+// Package jsonfuzz includes fuzzers for protojson.Marshal and protojson.Unmarshal.
+package jsonfuzz
import (
"google.golang.org/protobuf/encoding/protojson"