public void TestEmpty()
{
InputArrayIterator iterator = new InputArrayIterator(new Input[0]);
IInputIterator wrapper = new SortedInputIterator(iterator, BytesRef.UTF8SortedAsUnicodeComparer);
assertNull(wrapper.Next());
wrapper = new UnsortedInputIterator(iterator);
assertNull(wrapper.Next());
}
public void TestTerms()
{
Random random = Random;
int num = AtLeast(10000);
#pragma warning disable 612, 618
IComparer <BytesRef> comparer = random.nextBoolean() ? BytesRef.UTF8SortedAsUnicodeComparer : BytesRef.UTF8SortedAsUTF16Comparer;
#pragma warning restore 612, 618
IDictionary <BytesRef, KeyValuePair <long, BytesRef> > sorted = new JCG.SortedDictionary <BytesRef, KeyValuePair <long, BytesRef> >(comparer);
IDictionary <BytesRef, long> sortedWithoutPayload = new JCG.SortedDictionary <BytesRef, long>(comparer);
IDictionary <BytesRef, KeyValuePair <long, ISet <BytesRef> > > sortedWithContext = new JCG.SortedDictionary <BytesRef, KeyValuePair <long, ISet <BytesRef> > >(comparer);
IDictionary <BytesRef, KeyValuePair <long, KeyValuePair <BytesRef, ISet <BytesRef> > > > sortedWithPayloadAndContext = new JCG.SortedDictionary <BytesRef, KeyValuePair <long, KeyValuePair <BytesRef, ISet <BytesRef> > > >(comparer);
Input[] unsorted = new Input[num];
Input[] unsortedWithoutPayload = new Input[num];
Input[] unsortedWithContexts = new Input[num];
Input[] unsortedWithPayloadAndContext = new Input[num];
ISet <BytesRef> ctxs;
for (int i = 0; i < num; i++)
{
BytesRef key2;
BytesRef payload;
ctxs = new JCG.HashSet <BytesRef>();
do
{
key2 = new BytesRef(TestUtil.RandomUnicodeString(random));
payload = new BytesRef(TestUtil.RandomUnicodeString(random));
for (int j = 0; j < AtLeast(2); j++)
{
ctxs.add(new BytesRef(TestUtil.RandomUnicodeString(random)));
}
} while (sorted.ContainsKey(key2));
long value = random.Next();
sortedWithoutPayload.Put(key2, value);
sorted.Put(key2, new KeyValuePair <long, BytesRef>(value, payload));
sortedWithContext.Put(key2, new KeyValuePair <long, ISet <BytesRef> >(value, ctxs));
sortedWithPayloadAndContext.Put(key2, new KeyValuePair <long, KeyValuePair <BytesRef, ISet <BytesRef> > >(value, new KeyValuePair <BytesRef, ISet <BytesRef> >(payload, ctxs)));
unsorted[i] = new Input(key2, value, payload);
unsortedWithoutPayload[i] = new Input(key2, value);
unsortedWithContexts[i] = new Input(key2, value, ctxs);
unsortedWithPayloadAndContext[i] = new Input(key2, value, payload, ctxs);
}
// test the sorted iterator wrapper with payloads
IInputIterator wrapper = new SortedInputIterator(new InputArrayIterator(unsorted), comparer);
IEnumerator <KeyValuePair <BytesRef, KeyValuePair <long, BytesRef> > > expected = sorted.GetEnumerator();
while (expected.MoveNext())
{
KeyValuePair <BytesRef, KeyValuePair <long, BytesRef> > entry = expected.Current;
assertEquals(entry.Key, wrapper.Next());
assertEquals(Convert.ToInt64(entry.Value.Key), wrapper.Weight);
assertEquals(entry.Value.Value, wrapper.Payload);
}
assertNull(wrapper.Next());
// test the sorted iterator wrapper with contexts
wrapper = new SortedInputIterator(new InputArrayIterator(unsortedWithContexts), comparer);
IEnumerator <KeyValuePair <BytesRef, KeyValuePair <long, ISet <BytesRef> > > > actualEntries = sortedWithContext.GetEnumerator();
while (actualEntries.MoveNext())
{
KeyValuePair <BytesRef, KeyValuePair <long, ISet <BytesRef> > > entry = actualEntries.Current;
assertEquals(entry.Key, wrapper.Next());
assertEquals(Convert.ToInt64(entry.Value.Key), wrapper.Weight);
ISet <BytesRef> actualCtxs = entry.Value.Value;
assertEquals(actualCtxs, wrapper.Contexts);
}
assertNull(wrapper.Next());
// test the sorted iterator wrapper with contexts and payload
wrapper = new SortedInputIterator(new InputArrayIterator(unsortedWithPayloadAndContext), comparer);
IEnumerator <KeyValuePair <BytesRef, KeyValuePair <long, KeyValuePair <BytesRef, ISet <BytesRef> > > > > expectedPayloadContextEntries = sortedWithPayloadAndContext.GetEnumerator();
while (expectedPayloadContextEntries.MoveNext())
{
KeyValuePair <BytesRef, KeyValuePair <long, KeyValuePair <BytesRef, ISet <BytesRef> > > > entry = expectedPayloadContextEntries.Current;
assertEquals(entry.Key, wrapper.Next());
assertEquals(Convert.ToInt64(entry.Value.Key), wrapper.Weight);
ISet <BytesRef> actualCtxs = entry.Value.Value.Value;
assertEquals(actualCtxs, wrapper.Contexts);
BytesRef actualPayload = entry.Value.Value.Key;
assertEquals(actualPayload, wrapper.Payload);
}
assertNull(wrapper.Next());
// test the unsorted iterator wrapper with payloads
wrapper = new UnsortedInputIterator(new InputArrayIterator(unsorted));
IDictionary <BytesRef, KeyValuePair <long, BytesRef> > actual = new JCG.SortedDictionary <BytesRef, KeyValuePair <long, BytesRef> >();
BytesRef key;
while ((key = wrapper.Next()) != null)
{
long value = wrapper.Weight;
BytesRef payload = wrapper.Payload;
actual.Put(BytesRef.DeepCopyOf(key), new KeyValuePair <long, BytesRef>(value, BytesRef.DeepCopyOf(payload)));
}
assertEquals(sorted, actual);
// test the sorted iterator wrapper without payloads
IInputIterator wrapperWithoutPayload = new SortedInputIterator(new InputArrayIterator(unsortedWithoutPayload), comparer);
IEnumerator <KeyValuePair <BytesRef, long> > expectedWithoutPayload = sortedWithoutPayload.GetEnumerator();
while (expectedWithoutPayload.MoveNext())
{
KeyValuePair <BytesRef, long> entry = expectedWithoutPayload.Current;
assertEquals(entry.Key, wrapperWithoutPayload.Next());
assertEquals(Convert.ToInt64(entry.Value), wrapperWithoutPayload.Weight);
assertNull(wrapperWithoutPayload.Payload);
}
assertNull(wrapperWithoutPayload.Next());
// test the unsorted iterator wrapper without payloads
wrapperWithoutPayload = new UnsortedInputIterator(new InputArrayIterator(unsortedWithoutPayload));
IDictionary <BytesRef, long> actualWithoutPayload = new JCG.SortedDictionary <BytesRef, long>();
while ((key = wrapperWithoutPayload.Next()) != null)
{
long value = wrapperWithoutPayload.Weight;
assertNull(wrapperWithoutPayload.Payload);
actualWithoutPayload.Put(BytesRef.DeepCopyOf(key), value);
}
assertEquals(sortedWithoutPayload, actualWithoutPayload);
}