Examples with ParserFailure com.nike.riposte.util.text.parsercombinator.Parser.ParserFailure used on opensource projects

Example 16 with ParserFailure

use of com.nike.riposte.util.text.parsercombinator.Parser.ParserFailure in project riposte by Nike-Inc.

the class ParserTest method test_test2_works.

@Test
public void test_test2_works() throws ParserFailure {
    final Pattern numberPattern = Pattern.compile("([0-9])");
    final Parser<Integer> number = regex(numberPattern).map(m -> new Integer(m.group(1)));
    Parser<Number> parser;
    Optional<Number> oResult;
    parser = number.thenParse(number).filter(test((one, two) -> false)).map(match((one, two) -> 0));
    oResult = parser.tryParse("12");
    assertThat(oResult.isPresent()).isFalse();
    parser = number.thenParse(number).filter(test((one, two) -> true)).map(match((one, two) -> one + two));
    oResult = parser.tryParse("12");
    assertThat(oResult.isPresent()).isTrue();
    assertThat(oResult.get()).isNotNull();
    assertThat(oResult.get()).isEqualTo(3);
    oResult = parser.tryParse("1");
    assertThat(oResult.isPresent()).isFalse();
}