*       feed values to it as you get them, then call {@link StatsAccumulator#snapshot}.
 * </ul>
 *
 * <p>Static convenience methods called {@code meanOf} are also provided for users who wish to
 * calculate <i>only</i> the mean.
 *
 * <p><b>Java 8+ users:</b> If you are not using any of the variance statistics, you may wish to use
 * built-in JDK libraries instead of this class.
 *
 * @author Pete Gillin

            result = null;
        } else if (!Files.exists(src.getPath())) {
            Files.deleteIfExists(target);
            result = "";
        } else {
            String current = ChecksumAlgorithmHelper.calculate(
                            src.getPath(), List.of(new Sha1ChecksumAlgorithmFactory()))
                    .get(Sha1ChecksumAlgorithmFactory.NAME);
            String existing = sourceState.get();

	stringToSign += scope + "\n"
	canonicalRequestBytes := sha256.Sum256([]byte(canonicalRequest))
	stringToSign += hex.EncodeToString(canonicalRequestBytes[:])
	return stringToSign
}

// getSigningKey hmac seed to calculate final signature.
func getSigningKey(secretKey string, t time.Time, region string, stype serviceType) []byte {
	date := sumHMAC([]byte("AWS4"+secretKey), []byte(t.Format(yyyymmdd)))
	regionBytes := sumHMAC(date, []byte(region))

package cmd

import (
	"fmt"
	"sync"
	"sync/atomic"
	"time"

	"github.com/rcrowley/go-metrics"
)

//go:generate msgp -file $GOFILE

const (
	// beta is the weight used to calculate exponential moving average
	beta = 0.1 // Number of averages considered = 1/(1-beta)
)

// rateMeasurement captures the transfer details for one bucket/target
//msgp:ignore rateMeasurement

            assertEquals(0, context.getSalt().length);
        }

        @ParameterizedTest
        @ValueSource(ints = { 0, 1, 3, 5, 10 })
        @DisplayName("Should calculate size correctly for different hash algo counts")
        void testSizeCalculation(int hashAlgoCount) {
            // Arrange
            int[] hashAlgos = new int[hashAlgoCount];
            byte[] salt = new byte[16];

                    validCount++;
                }
            }

            assertEquals(3, validCount);
            assertTrue(offset > 0);
        }

        @Test
        @DisplayName("Should calculate combined size for multiple contexts")
        void testCombinedSizeCalculation() {
            CreateContextRequest[] contexts = new CreateContextRequest[5];
            int[] expectedSizes = { 16, 24, 32, 40, 48 };

|               16 |              13 |                 3 |                1.23 |
|               16 |              14 |                 2 |                1.14 |

You can calculate _approximate_ storage usage ratio using the formula - total drives (N) / data drives (D).

### Allowed values for STANDARD storage class

            // When & Then
            assertEquals(Long.MIN_VALUE, allocInfo.getCapacity());
            assertEquals(Long.MIN_VALUE, allocInfo.getFree());
        }

        @Test
        @DisplayName("Should calculate used space correctly")
        void shouldCalculateUsedSpaceCorrectly() {
            // Given
            long capacity = 1024L * 1024L * 1024L * 100L; // 100GB
            long free = 1024L * 1024L * 1024L * 40L; // 40GB

				info.Name = devName
				qst, err := bfs.SysBlockDeviceQueueStats(devName)
				if err != nil { // Mostly not found error
					// Check if there is a parent device:
					//   e.g. if the mount is based on /dev/nvme0n1p1, let's calculate the
					//        real device name (nvme0n1) to get its sysfs information
					parentDevPath, e := os.Readlink("/sys/class/block/" + devName)
					if e == nil {
						parentDev := filepath.Base(filepath.Dir(parentDevPath))

        // Then
        assertNotNull(response);
        assertTrue(response instanceof Smb2TreeConnectResponse);
        verify(mockContext, times(1)).getConfig();
    }

    @Test
    @DisplayName("Should calculate correct message size for different paths")
    void testSize() {
        // Given
        String shortPath = "\\\\a\\b";
        String longPath = "\\\\server.domain.com\\very_long_share_name_here";