public void testBase64UrlInvalidDecodings() {
    assertFailsToDecode(base64Url(), "+zzz", "Unrecognized character: +");
    assertFailsToDecode(base64Url(), "/zzz", "Unrecognized character: /");
  }

  public void testBase32() {
    // The following test vectors are specified in RFC 4648 itself
    testEncodingWithCasing(base32(), "", "");
    testEncodingWithCasing(base32(), "f", "MY======");

		if rec.Code != testCase.expectedRespStatus {
			t.Errorf("Test %d: %s: Expected the response status to be `%d`, but instead found `%d`", i+1, instanceType, testCase.expectedRespStatus, rec.Code)
		}
	}

	testCases2 := []struct {
		objectName          string
		data                []byte
		expectedRespStatus  int
		accessKey           string
		secretKey           string
		malformedBody       bool