@Test
public void testParseCommonEncryptionSinfFromParentIgnoresUnknownSchemeType() {

  byte[] cencSinf = new byte[] {
      0, 0, 0, 24, 115, 105, 110, 102, // size (4), 'sinf' (4)
      0, 0, 0, 16, 115, 99, 104, 109, // size (4), 'schm' (4)
      0, 0, 0, 0, 88, 88, 88, 88}; // version (1), flags (3), 'xxxx' (4)
  assertThat(AtomParsers.parseCommonEncryptionSinfFromParent(
      new ParsableByteArray(cencSinf), 0, cencSinf.length)).isNull();
}