@Test
public void valuesToArray() {
HazelcastClient hClient = getHazelcastClient();
IMap map = hClient.getMap("valuesToArray");
assertEquals(0, map.size());
map.put("a", "1");
map.put("b", "2");
map.put("c", "3");
assertEquals(3, map.size());
{
final Object[] values = map.values().toArray();
Arrays.sort(values);
assertArrayEquals(new Object[] {"1", "2", "3"}, values);
}
{
final String[] values = (String[]) map.values().toArray(new String[3]);
Arrays.sort(values);
assertArrayEquals(new String[] {"1", "2", "3"}, values);
}
{
final String[] values = (String[]) map.values().toArray(new String[2]);
Arrays.sort(values);
assertArrayEquals(new String[] {"1", "2", "3"}, values);
}
{
final String[] values = (String[]) map.values().toArray(new String[5]);
Arrays.sort(values, 0, 3);
assertArrayEquals(new String[] {"1", "2", "3", null, null}, values);
}
}
@Test
public void testNnclean() throws Exception {
double[] y = HET_DEL_5X_5N;
double[] nonnoise =
new double[] {260.0736, 197.4272, 194.8618, 1217.8588, 1228.2190, 1151.7017};
double[] result = scorer.nnclean(y, scorer.cleanYIndices(y, 30, 2, 5));
Arrays.sort(result);
Arrays.sort(nonnoise);
assertArrayEquals(nonnoise, result, 0.000001);
}
@Test(timeout = TIMEOUT)
public void testRadixSort() {
int[] arrZero = new int[0];
arrZero = Sorting.radixSort(arrZero);
assertEquals(0, arrZero.length);
int[] arrOne = new int[1];
arrOne[0] = 4;
arrOne = Sorting.radixSort(arrOne);
assertEquals(1, arrOne.length);
assertEquals(4, arrOne[0]);
Random rand = new Random();
for (int i = 0; i < 50; i++) {
int arrlen = rand.nextInt(1000) + 2;
int[] arrMany = new int[arrlen];
int[] arrManySorted = new int[arrlen];
for (int j = 0; j < arrlen; j++) {
arrMany[j] = rand.nextInt(200) - 90;
}
System.arraycopy(arrMany, 0, arrManySorted, 0, arrlen);
Arrays.sort(arrManySorted);
arrMany = Sorting.radixSort(arrMany);
assertArrayEquals(arrManySorted, arrMany);
}
}
@Test(timeout = TIMEOUT)
public void testQuickSort() {
DValue[] arrZero = new DValue[0];
Sorting.quickSort(arrZero, new BasicComparator(), new Random());
assertEquals(0, arrZero.length);
DValue[] arrOne = new DValue[1];
arrOne[0] = new DValue(4, 0);
Sorting.quickSort(arrOne, new BasicComparator(), new Random());
assertEquals(1, arrOne.length);
assertEquals(4, arrOne[0].val.intValue());
Random rand = new Random();
HashMap<Integer, Integer> values = new HashMap<Integer, Integer>();
for (int i = 0; i < 50; i++) {
int arrlen = rand.nextInt(1000) + 2;
DValue[] arrMany = new DValue[arrlen];
DValue[] arrManySorted = new DValue[arrlen];
for (int j = 0; j < arrlen; j++) {
arrMany[j] = new DValue(rand.nextInt(200) - 90, 0);
if (values.containsKey(arrMany[j].val)) {
arrMany[j].count = values.get(arrMany[j].val) + 1;
values.put(arrMany[j].val, arrMany[j].count);
} else {
values.put(arrMany[j].val, 0);
}
}
System.arraycopy(arrMany, 0, arrManySorted, 0, arrlen);
Arrays.sort(arrManySorted);
Sorting.quickSort(arrMany, new BasicComparator(), new Random());
assertArrayEquals(arrManySorted, arrMany);
}
}
@SuppressWarnings("unchecked")
@Test
public void mustBeAbleToUseGroupBy() throws Exception {
final Iterable<String> input = Arrays.asList("Aaa", "Abb", "Bcc", "Cdd", "Cee");
final Source<List<String>, NotUsed> source =
Source.from(input)
.groupBy(
3,
new Function<String, String>() {
public String apply(String elem) {
return elem.substring(0, 1);
}
})
.grouped(10)
.mergeSubstreams();
final CompletionStage<List<List<String>>> future =
source.grouped(10).runWith(Sink.<List<List<String>>>head(), materializer);
final Object[] result = future.toCompletableFuture().get(1, TimeUnit.SECONDS).toArray();
Arrays.sort(
result,
(Comparator<Object>)
(Object)
new Comparator<List<String>>() {
@Override
public int compare(List<String> o1, List<String> o2) {
return o1.get(0).charAt(0) - o2.get(0).charAt(0);
}
});
assertArrayEquals(
new Object[] {
Arrays.asList("Aaa", "Abb"), Arrays.asList("Bcc"), Arrays.asList("Cdd", "Cee")
},
result);
}