source: class CryptographyUtilsTest  {
  
  	@Test public void testEncryptEmptyValue() {
  
target: 		// Arrange:
  		final Encrypto mockEncrypto = mock(Encrypto.class);
  		// Act:
  		final String encrypted = CryptographyUtils.encrypt("", mockEncrypto);
  		// Assert:
  		assertThat(encrypted, is(""));
  		verifyZeroInteractions(mockEncrypto);
  	}
  
  }