success: true,
		},
	}

	for _, testCase := range testCases {
		t.Run("", func(t *testing.T) {
			_, err := parsePostPolicyForm(strings.NewReader(testCase.policy))
			if testCase.success && err != nil {
				t.Errorf("Expected success but failed with %s", err)
			}
			if !testCase.success && err == nil {

					}
					sset.Add(kv.Key)
				}
			}
			e.Encode(kvs)
		}
	}
	return &buf, d.Err()
}

// parsePostPolicyForm - Parse JSON policy string into typed PostPolicyForm structure.
func parsePostPolicyForm(r io.Reader) (PostPolicyForm, error) {
	reader, err := sanitizePolicy(r)
	if err != nil {
		return PostPolicyForm{}, err
	}

	d := json.NewDecoder(reader)