{Multipart: false, Metadata: map[string]string{"": ""}},                                    // 3
	{Multipart: false, Metadata: map[string]string{"X-Minio-Internal-EncryptedMultipart": ""}}, // 4
}

func TestIsMultipart(t *testing.T) {
	for i, test := range isMultipartTests {
		if isMultipart := IsMultiPart(test.Metadata); isMultipart != test.Multipart {
			t.Errorf("Test %d: got '%v' - want '%v'", i, isMultipart, test.Multipart)
		}
	}