@Test
public void iterableStream() {
ReactiveSeq<String> res = For.iterable(new MyIterable()).yield(v -> v + "*").unwrap();
List<String> expected = Arrays.asList("hello*", "world*");
assertThat(expected, equalTo(res.toList()));
}
@Test
public void arrayStream() {
List<String> res =
For.stream(Stream.of("hello world", "hello")).yield(v1 -> v1 + "1").stream().toList();
List<String> expected = Arrays.asList("hello world1", "hello1");
assertThat(expected, equalTo(res));
}
@Test
public void mapStream() {
Map<String, Integer> m = new HashMap<>();
m.put("hello", 10);
List<String> res = For.stream(m.entrySet().stream()).yield(v -> "" + v + "*").stream().toList();
List<String> expected = Arrays.asList("hello=10*");
assertThat(expected, equalTo(res));
}
@Test
public void stringStreamWithNull() {
Stream<String> res =
For.stream("hello world".chars().boxed().map(i -> Character.toChars(i)[0]))
.iterable(i -> (Iterable<String>) null)
.yield(v1 -> v2 -> "" + v1 + v2)
.unwrap();
List<String> expected = Arrays.asList();
assertThat(expected, equalTo(res.collect(Collectors.toList())));
}
@Test
public void stringStream() {
List<String> res =
For.stream("hello world".chars().boxed().map(i -> Character.toChars(i)[0]))
.yield(v -> "" + v + "1")
.<String>stream()
.toList();
List<String> expected =
Arrays.asList("h1", "e1", "l1", "l1", "o1", " 1", "w1", "o1", "r1", "l1", "d1");
assertThat(expected, equalTo(res));
}