c.RLock()
	defer c.RUnlock()
	return fmt.Errorf("[%s] %w", c.lastErrTime.Format(time.RFC3339), c.lastErr)
}

// computes the exponential backoff duration according to
// https://www.awsarchitectureblog.com/2015/03/backoff.html
func exponentialBackoffWait(r *rand.Rand, unit, maxSleep time.Duration) func(uint) time.Duration {
	if unit > time.Hour {
		// Protect against integer overflow
		panic("unit cannot exceed one hour")
	}

        assertVersionOlder("2.0.0", "2.0-1");
        assertVersionOlder("2.0-1", "2.0.1");

        assertVersionOlder("2.0.1-klm", "2.0.1-lmn");
        assertVersionOlder("2.0.1", "2.0.1-xyz");
        assertVersionOlder("2.0.1-xyz-1", "2.0.1-1-xyz");

        assertVersionOlder("2.0.1", "2.0.1-123");
        assertVersionOlder("2.0.1-xyz", "2.0.1-123");

        assertVersionOlder("1.2.3-10000000000", "1.2.3-10000000001");

			query:      `SELECT date_diff(year, '2010-01-01T', '2011-01-01T') FROM S3Object LIMIT 1`,
			wantResult: `{"_1":1}`,
		},
		{
			name:       "date_diff_year",
			query:      `SELECT date_diff(month, '2010-01-01T', '2010-05T') FROM S3Object LIMIT 1`,
			wantResult: `{"_1":4}`,
		},
		{
			name:       "date_diff_month_oney",
			query:      `SELECT date_diff(month, '2010T', '2011T') FROM S3Object LIMIT 1`,

   * with as many copies of {@code padChar} as are necessary to reach that length. For example,
   *
   * <ul>
   *   <li>{@code padEnd("4.", 5, '0')} returns {@code "4.000"}
   *   <li>{@code padEnd("2010", 3, '!')} returns {@code "2010"}
   * </ul>
   *
   * <p>See {@link java.util.Formatter} for a richer set of formatting capabilities.
   *
   * @param string the string which should appear at the beginning of the result

        pass

    model = ModelWithCustomEncoder(dt_field=datetime(2019, 1, 1, 8))
    assert jsonable_encoder(model) == {"dt_field": "2019-01-01T08:00:00+00:00"}
    subclass_model = ModelWithCustomEncoderSubclass(dt_field=datetime(2019, 1, 1, 8))
    assert jsonable_encoder(subclass_model) == {"dt_field": "2019-01-01T08:00:00+00:00"}


def test_json_encoder_error_with_pydanticv1():
    with warnings.catch_warnings():

// Copyright (c) 2015-2023 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

// Copyright (c) 2015-2023 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

##### Credentials
{
 "accessKey": "IRBLVDGN5QGMDCMO1X8V",
 "secretKey": "KzS3UZKE7xqNdtRbKyfcWgxBS6P1G4kwZn4DXKuY",
 "expiration": "2018-08-21T15:49:38-07:00",

			header: http.Header{
				xhttp.AmzObjectLockRetainUntilDate: []string{"2017-01-02T15:04:05Z"},
				xhttp.AmzObjectLockMode:            []string{"governance"},
			},
			expectedErr: ErrPastObjectLockRetainDate,
		},
		{
			header: http.Header{
				xhttp.AmzObjectLockMode:            []string{"governance"},
				xhttp.AmzObjectLockRetainUntilDate: []string{"2017-01-02T15:04:05Z"},
			},
			expectedErr: ErrPastObjectLockRetainDate,

// Copyright (c) 2015-2023 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful