}

	// function type for creating signed requests - used to repeat
	// requests with V2 and V4 signing.
	type testSignedReqFn func(method, urlStr string, contentLength int64,
		body io.ReadSeeker, accessKey, secretKey string, metamap map[string]string) (*http.Request,
		error)

	mkGetReq := func(oi ObjectInput, byteRange string, i int, mkSignedReq testSignedReqFn) {
		object := oi.objectName

pkg io, type ReadCloser interface, Close() error
pkg io, type ReadCloser interface, Read([]uint8) (int, error)
pkg io, type ReadSeeker interface { Read, Seek }
pkg io, type ReadSeeker interface, Read([]uint8) (int, error)
pkg io, type ReadSeeker interface, Seek(int64, int) (int64, error)
pkg io, type ReadWriteCloser interface { Close, Read, Write }
pkg io, type ReadWriteCloser interface, Close() error

		{"PipeReader", Type, 0},
		{"PipeWriter", Type, 0},
		{"ReadAll", Func, 16},
		{"ReadAtLeast", Func, 0},
		{"ReadCloser", Type, 0},
		{"ReadFull", Func, 0},
		{"ReadSeekCloser", Type, 16},
		{"ReadSeeker", Type, 0},
		{"ReadWriteCloser", Type, 0},
		{"ReadWriteSeeker", Type, 0},
		{"ReadWriter", Type, 0},
		{"Reader", Type, 0},
		{"ReaderAt", Type, 0},
		{"ReaderFrom", Type, 0},