@Test public void test_toMap_6() { Map<Boolean, List<Integer>> map = Flow.of(1, 2, 3) .toMap(new Supplier<Map<Boolean, FlowGroup<Boolean, Integer>>>() { @Override public Map<Boolean, FlowGroup<Boolean, Integer>> supply() { return new TreeMap<Boolean, FlowGroup<Boolean, Integer>>(); } }, new Mapper<Integer, Boolean>() { @Override public Boolean map(Integer integer) { return integer % 2 == 0; } }) .get(); Assert.assertEquals(2, map.size()); Assert.assertEquals(1, map.get(true).size()); Assert.assertEquals(Integer.valueOf(2), map.get(true).get(0)); Assert.assertEquals(2, map.get(false).size()); Assert.assertEquals(Integer.valueOf(1), map.get(false).get(0)); Assert.assertEquals(Integer.valueOf(3), map.get(false).get(1)); }
@Test public void test_toMap() { Map<Boolean, List<Integer>> map = Flow.of(1, 2, 3) .toMap(new Mapper<Integer, Boolean>() { @Override public Boolean map(Integer integer) { return integer % 2 == 0; } }, Flow.<Boolean, Integer>flowGroupListMapper()) .get(); Assert.assertEquals(2, map.size()); Assert.assertEquals(1, map.get(true).size()); Assert.assertEquals(Integer.valueOf(2), map.get(true).get(0)); Assert.assertEquals(2, map.get(false).size()); Assert.assertEquals(Integer.valueOf(1), map.get(false).get(0)); Assert.assertEquals(Integer.valueOf(3), map.get(false).get(1)); }
@Test public void test_toMap_2() { Map<Boolean, List<Integer>> map = Flow.of(1, 2, 3) .groupBy(new Mapper<Integer, Boolean>() { @Override public Boolean map(Integer integer) { return integer % 2 == 0; } }) .toMap() .get(); Assert.assertEquals(2, map.size()); Assert.assertEquals(1, map.get(true).size()); Assert.assertEquals(Integer.valueOf(2), map.get(true).get(0)); Assert.assertEquals(2, map.get(false).size()); Assert.assertEquals(Integer.valueOf(1), map.get(false).get(0)); Assert.assertEquals(Integer.valueOf(3), map.get(false).get(1)); }
@Test public void test_toMap_4() { Map<Boolean, List<String>> map = Flow.of(1, 2, 3) .toMap(new Mapper<Integer, Boolean>() { @Override public Boolean map(Integer integer) { return integer % 2 == 0; } }, new Mapper<FlowGroup<Boolean, Integer>, List<String>>() { @Override public List<String> map(FlowGroup<Boolean, Integer> group) { return group.map(new Mapper<Integer, String>() { @Override public String map(Integer integer) { return integer.toString(); } }).toList().get(); } }) .get(); Assert.assertEquals(2, map.size()); Assert.assertEquals(1, map.get(true).size()); Assert.assertEquals("2", map.get(true).get(0)); Assert.assertEquals(2, map.get(false).size()); Assert.assertEquals("1", map.get(false).get(0)); Assert.assertEquals("3", map.get(false).get(1)); }
.get(); }).get();
@Test public void test_limit_3() { Assert.assertEquals("{1=[1], 2=[2], 3=[3]}", Flow.of(1, 2, 3, 4, 5) .groupBy(new Mapper<Integer, Integer>() { @Override public Integer map(Integer integer) { return integer; } }) .limit(3) .toMap() .get() .toString() ); }
@Test public void test_toMap_3() { Map<Boolean, List<Integer>> map = Flow.of(1, 2, 3) .groupBy(new Mapper<Integer, Boolean>() { @Override public Boolean map(Integer integer) { return integer % 2 == 0; } }) .filter(new Filter<FlowGroup<Boolean, Integer>>() { @Override public boolean allow(FlowGroup<Boolean, Integer> group) { return group.getKey(); } }) .toMap() .get(); Assert.assertEquals(1, map.size()); Assert.assertEquals(1, map.get(true).size()); Assert.assertEquals(Integer.valueOf(2), map.get(true).get(0)); }