check(t, "TestBasicOperations (5)", &buf, "ab")

		n, err = buf.Write(testBytes[2:26])
		if want := 24; err != nil || n != want {
			t.Errorf("Write: got (%d, %v), want (%d, %v)", n, err, want, nil)
		}
		check(t, "TestBasicOperations (6)", &buf, testString[0:26])

		buf.Truncate(26)
		check(t, "TestBasicOperations (7)", &buf, testString[0:26])

		buf.Truncate(20)
		check(t, "TestBasicOperations (8)", &buf, testString[0:20])

const _Op_name = "ConnectConnectResponsePingPongConnectMuxMuxConnectErrorDisconnectClientMuxDisconnectServerMuxMuxClientMsgMuxServerMsgUnblockSrvMuxUnblockClMuxAckMuxRequestResponseDisconnectMerged"

var _Op_index = [...]uint8{0, 7, 22, 26, 30, 40, 55, 74, 93, 105, 117, 130, 142, 148, 155, 163, 173, 179}

func (i Op) String() string {
	i -= 1
	if i >= Op(len(_Op_index)-1) {
		return "Op(" + strconv.FormatInt(int64(i+1), 10) + ")"
	}

	},
	{ // 5
		ETag:   ETag{32, 0, 15, 0, 219, 45, 144, 167, 180, 7, 130, 212, 207, 242, 180, 26, 119, 153, 252, 30, 126, 173, 37, 151, 45, 182, 81, 80, 17, 141, 251, 226, 186, 118, 163, 192, 2, 218, 40, 248, 92, 132, 12, 210, 0, 26, 40, 169},
		String: "20000f00db2d90a7b40782d4cff2b41a7799fc1e7ead25972db65150118dfbe2ba76a3c002da28f85c840cd2001a28a9",
	},
}

func TestString(t *testing.T) {

		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/file.txt",
		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/33/file.txt",
		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/333/file.txt",
		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/33/34/35/36/37/38/39/40/file.txt",

	return

		t.Errorf("unexpected method and flags: %v", b[6:10])
	}

	if !bytes.Equal(b[14:26], make([]byte, 12)) { // FileHeader.{CRC32,CompressSize,UncompressedSize} all zero.
		t.Errorf("unexpected crc, compress and uncompressed size to be 0 was: %v", b[14:26])
	}

	binary.LittleEndian.PutUint32(sig[:], uint32(dataDescriptorSignature))
	if bytes.Contains(b, sig[:]) {

			wantTenFields: `3389224,2,2014-03-26 00:26:15,2014-03-26 00:28:38,N,1,-73.950431823730469,40.792251586914063,-73.938949584960937,40.794425964355469,1,0.84,4.5,0.5,0.5,1,0,,,6.5,...

			r:            strings.NewReader("abcdefghijklmnopqrstuvwxyz"),
			n:            26,
			want:         26,
			wantBuffered: 0,
		},
		{
			name:         "discard more than end",
			r:            strings.NewReader("abcdefghijklmnopqrstuvwxyz"),
			n:            27,
			want:         26,
			wantErr:      io.EOF,
			wantBuffered: 0,
		},

	_ = x[storageMetricReadVersion-21]
	_ = x[storageMetricReadXL-22]
	_ = x[storageMetricReadAll-23]
	_ = x[storageMetricStatInfoFile-24]
	_ = x[storageMetricReadMultiple-25]
	_ = x[storageMetricDeleteAbandonedParts-26]
	_ = x[storageMetricDiskInfo-27]
	_ = x[storageMetricLast-28]
}

		t.Fatalf("Number of logs want %v, got %v logs: %v", want, got, gotLogs)
	}

	for i, l := range gotLogs {
		// For each line, there should be two level string, e.g.
		// "2021-07-09T03:26:08.984951Z	debug	debug log"
		if got, want := strings.Count(l, wantLevels[i]), 2; want != got {
			t.Errorf("Number of log level string want %v, got %v", want, got)
		}
	}