public virtual void TestSingleCollector()
{
// Tests that if a single Collector is input, it is returned (and not MultiCollector).
DummyCollector dc = new DummyCollector();
Assert.AreSame(dc, MultiCollector.Wrap(dc));
Assert.AreSame(dc, MultiCollector.Wrap(dc, null));
}
public virtual void TestCollector()
{
// Tests that the collector delegates calls to input collectors properly.
// Tests that the collector handles some null collectors well. If it
// doesn't, an NPE would be thrown.
DummyCollector[] dcs = new DummyCollector[] { new DummyCollector(), new DummyCollector() };
ICollector c = MultiCollector.Wrap(dcs);
Assert.IsTrue(c.AcceptsDocsOutOfOrder);
c.Collect(1);
c.SetNextReader(null);
c.SetScorer(null);
foreach (DummyCollector dc in dcs)
{
Assert.IsTrue(dc.AcceptsDocsOutOfOrderCalled);
Assert.IsTrue(dc.CollectCalled);
Assert.IsTrue(dc.SetNextReaderCalled);
Assert.IsTrue(dc.SetScorerCalled);
}
}
public virtual void TestNullCollectors()
{
// Tests that the collector rejects all null collectors.
try
{
MultiCollector.Wrap(null, null);
Assert.Fail("only null collectors should not be supported");
}
catch (Exception e) when(e.IsIllegalArgumentException())
{
// expected
}
// Tests that the collector handles some null collectors well. If it
// doesn't, an NPE would be thrown.
ICollector c = MultiCollector.Wrap(new DummyCollector(), null, new DummyCollector());
Assert.IsTrue(c is MultiCollector);
Assert.IsTrue(c.AcceptsDocsOutOfOrder);
c.Collect(1);
c.SetNextReader(null);
c.SetScorer(null);
}