Added a stub for a picky version of ioutil.ReadDir.

fusetesting/readdir.go

+// Copyright 2015 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package fusetesting
+
+import (
+	"fmt"
+	"os"
+)
+
+// Read the directory with the given name and return a list of directory
+// entries, sorted by name.
+//
+// Unlike ioutil.ReadDir, this function does not silently ignore "file not
+// found" errors when stat'ing the names read from the directory.
+func ReadDirPicky(dirname string) (entries []os.FileInfo, err error) {
+	err = fmt.Errorf("TODO: ReadDirPicky")
+	return
+}