*/
  private static void assertCrc(int expectedCrc, byte[] data) {
    int actualCrc = Hashing.crc32c().hashBytes(data).asInt();
    assertEquals(
        String.format("expected: %08x, actual: %08x", expectedCrc, actualCrc),
        expectedCrc,
        actualCrc);
    int actualCrcHasher = Hashing.crc32c().newHasher().putBytes(data).hash().asInt();
    assertEquals(

		name     string
		checksum ChecksumType
		fullobj  bool
		wantErr  bool
	}{
		{"CRC32-composite", ChecksumCRC32, false, false},
		{"CRC32-full-object", ChecksumCRC32, true, false},
		{"CRC32C-composite", ChecksumCRC32C, false, false},
		{"CRC32C-full-object", ChecksumCRC32C, true, false},
		{"CRC64NVME-full-object", ChecksumCRC64NVME, false, false}, // CRC64NVME is always full object
		{"ChecksumSHA1-composite", ChecksumSHA1, false, false},

			fv:      defaultFormVals.Clone().Set(http.CanonicalHeaderKey(xhttp.AmzChecksumCRC32C), "crc32c-val"),
			wantErr: `Each form field that you specify in a form must appear in the list of policy conditions. "X-Amz-Checksum-Crc32c" not specified in the policy.`,
		},
		{
			name:    "unknown key XAmzChecksumSHA1 is error as it does not appear in policy",

}

// ChecksumStringToType is like NewChecksumType but without the `mode`
func ChecksumStringToType(alg string) ChecksumType {
	switch strings.ToUpper(alg) {
	case "CRC32":
		return ChecksumCRC32
	case "CRC32C":
		return ChecksumCRC32C
	case "SHA1":
		return ChecksumSHA1
	case "SHA256":
		return ChecksumSHA256
	case "CRC64NVME":
		// AWS seems to ignore full value, and just assume it.
		return ChecksumCRC64NVME

		LastModified:      partInfo.ModTime,
		Size:              partInfo.Size,
		ActualSize:        partInfo.ActualSize,
		ChecksumCRC32:     partInfo.Checksums["CRC32"],
		ChecksumCRC32C:    partInfo.Checksums["CRC32C"],
		ChecksumSHA1:      partInfo.Checksums["SHA1"],
		ChecksumSHA256:    partInfo.Checksums["SHA256"],
		ChecksumCRC64NVME: partInfo.Checksums["CRC64NVME"],
	}, nil
}

			expectedRespStatus: http.StatusOK,
			wantHeaders:        map[string]string{"x-amz-checksum-crc32c": checksumData(bytesData, crc32.New(crc32.MakeTable(crc32.Castagnoli)))},
		},
		// CRC32 as CRC32C
		11: {
			bucketName:         bucketName,
			objectName:         objectName,
			headers:            map[string]string{"x-amz-checksum-crc32c": checksumData(bytesData, crc32.New(crc32.IEEETable))},
			data:               bytesData,

		if len(chkSums) > 0 {
			OA.Checksum = &objectAttributesChecksum{
				ChecksumCRC32:     strings.Split(chkSums["CRC32"], "-")[0],
				ChecksumCRC32C:    strings.Split(chkSums["CRC32C"], "-")[0],
				ChecksumSHA1:      strings.Split(chkSums["SHA1"], "-")[0],
				ChecksumSHA256:    strings.Split(chkSums["SHA256"], "-")[0],
				ChecksumCRC64NVME: strings.Split(chkSums["CRC64NVME"], "-")[0],