t.Fatalf("Expected: %v, Got: %v, Body: %s, err: %v", exp, rec.Code, string(b), err)
		}
	}

	if !asMultipart {
		srcData := NewDummyDataGen(partSizes[0], 0)
		req, err := newTestSignedRequestV4(http.MethodPut, getPutObjectURL("", bucketName, objectName),
			partSizes[0], srcData, creds.AccessKey, creds.SecretKey, metadata)
		if err != nil {
			t.Fatalf("Unexpected err: %#v", err)
		}