SimpleCrlCache implements CrlCache { @Override public CrlDao get(String url) { return storage.get(url); }  @Override CrlDao get(String url); @Override void set(String url, X509CRL crl); @Override Set<String> getAvailableUrls();  }
@Test @DisplayName("returns null when the CRL is not in the cache") void crlCacheReturnsNullWhenCRLNotCached() { SimpleCrlCache simpleCrlCache = new SimpleCrlCache(); CrlDao x509CRL = simpleCrlCache.get(HTTP_TEST_URL); Assertions.assertNull(x509CRL); }