/** @throws Exception If failed. */ public void testRangeSplit() throws Exception { IgniteUuid affKey = IgniteUuid.randomUuid(); IgfsFileAffinityRange range = new IgfsFileAffinityRange(0, 9999, affKey); Collection<IgfsFileAffinityRange> split = range.split(10000); assertEquals(1, split.size()); assertTrue(range.regionEqual(F.first(split))); split = range.split(5000); assertEquals(2, split.size()); Iterator<IgfsFileAffinityRange> it = split.iterator(); IgfsFileAffinityRange part = it.next(); assertTrue(part.regionEqual(new IgfsFileAffinityRange(0, 4999, affKey))); part = it.next(); assertTrue(part.regionEqual(new IgfsFileAffinityRange(5000, 9999, affKey))); split = range.split(3000); assertEquals(4, split.size()); it = split.iterator(); part = it.next(); assertTrue(part.regionEqual(new IgfsFileAffinityRange(0, 2999, affKey))); part = it.next(); assertTrue(part.regionEqual(new IgfsFileAffinityRange(3000, 5999, affKey))); part = it.next(); assertTrue(part.regionEqual(new IgfsFileAffinityRange(6000, 8999, affKey))); part = it.next(); assertTrue(part.regionEqual(new IgfsFileAffinityRange(9000, 9999, affKey))); }
/** * Returns counters iterator for specified group. * * @param grpName Name of the group to iterate. * @return Counters iterator. */ public Iterator<Counter> iterateGroup(String grpName) { Collection<Counter> grpCounters = new ArrayList<>(); for (HadoopLongCounter counter : cntrs.values()) { if (grpName.equals(counter.group())) grpCounters.add(new HadoopV2Counter(counter)); } return grpCounters.iterator(); }
/** @throws Exception Thrown if test failed. */ public void testA() throws Exception { Collection<Integer> set = new GridConcurrentWeakHashSet<>(); Integer i = 1; assert set.add(i); assert !set.add(i); assert set.contains(i); assert set.size() == 1; Collection<Integer> c = F.asList(2, 3, 4, 5); assert set.addAll(c); assert !set.addAll(c); assert set.containsAll(c); assert set.size() == 1 + c.size(); assert set.remove(i); assert !set.remove(i); assert !set.contains(i); assert set.size() == c.size(); assert set.removeAll(c); assert !set.removeAll(c); assert !set.containsAll(c); assert set.isEmpty(); Collection<Integer> c1 = Arrays.asList(1, 3, 5, 7, 9); int cnt = 0; for (Iterator<Integer> iter = set.iterator(); iter.hasNext(); cnt++) c1.contains(iter.next()); assert set.size() == cnt; assert set.size() == set.toArray().length; assert set.addAll(c1); assert set.retainAll(c); assert !set.retainAll(c); Collection<Integer> c2 = F.retain(c1, true, c); assert set.containsAll(c2); assert !set.containsAll(c1); assert !set.containsAll(c); assert set.size() == c2.size(); set.clear(); assert set.isEmpty(); try { set.iterator().next(); assert false; } catch (NoSuchElementException ignored) { assert true; } try { set.add(null); assert false; } catch (NullPointerException ignored) { assert true; } }
/** @throws Exception Thrown if test failed. */ @SuppressWarnings({"UnusedAssignment"}) public void testB() throws Exception { Collection<SampleBean> set = new GridConcurrentWeakHashSet<>(); SampleBean bean1 = new SampleBean(1); assert set.add(bean1); assert !set.add(bean1); assert set.size() == 1; assert set.contains(bean1); bean1 = null; gc(); assert set.isEmpty(); Collection<SampleBean> c = F.asList(new SampleBean(1), new SampleBean(2), new SampleBean(3), new SampleBean(4)); assert set.addAll(c); assert !set.addAll(c); assert set.size() == c.size(); assert set.containsAll(c); c = null; gc(); assert set.isEmpty(); SampleBean b1 = new SampleBean(1); SampleBean b2 = new SampleBean(2); SampleBean b3 = new SampleBean(3); SampleBean b4 = new SampleBean(4); SampleBean b5 = new SampleBean(5); set.add(b1); set.add(b2); set.add(b3); set.add(b4); set.add(b5); Iterator iter = set.iterator(); assert iter.hasNext(); b2 = null; b3 = null; b4 = null; gc(); int cnt = 0; while (iter.hasNext()) { info(iter.next().toString()); cnt++; } assert set.size() == cnt; }