@Test(expected = RuntimeException.class) public void shouldThrowOnForEach() { Arbitrary.integer() .forEach( i -> { throw new RuntimeException("OK"); }); }
@Test public void shouldNotBeEmpty() { assertThat(Arbitrary.integer().isEmpty()).isFalse(); }
@Test public void shouldPeekArbitrary() { final int[] actual = new int[] {Integer.MIN_VALUE}; final int expected = Arbitrary.integer().peek(i -> actual[0] = i).apply(10).apply(new Random()); assertThat(actual[0]).isEqualTo(expected); }
@Test public void shouldThrowOnForAll() { Arbitrary.integer().forAll(i -> false); }
@Test public void shouldThrowOnExists() { Arbitrary.integer().exists(i -> true); }
@Test public void shouldFlatteningArbitraryIntegerUsingFunction() { final Arbitrary<Arbitrary<Integer>> testee = size -> random -> Arbitrary.integer(); assertThat(testee.flatten().apply(1).apply(new Random())).isNotNull(); }
@Test public void shouldFilterArbitrary() { final Arbitrary<Integer> ints = Arbitrary.integer(); final Arbitrary<Integer> evenInts = ints.filter(i -> i % 2 == 0); assertThat(evenInts.apply(10).apply(new Random())).isNotNull(); }
@Test public void shouldCreateArbitraryStream() { final Arbitrary<Stream<Integer>> arbitrary = Arbitrary.stream(Arbitrary.integer()); final Stream<Integer> actual = arbitrary.apply(10).apply(new Random()); assertThat(actual).isNotNull(); }
@Test public void shouldCreateArbitraryList() { final Arbitrary<List<Integer>> arbitrary = Arbitrary.list(Arbitrary.integer()); final List<Integer> actual = arbitrary.apply(10).apply(new Random()); assertThat(actual).isNotNull(); }