public virtual void TestReferenceCountingMultiReader()
{
for (int mode = 0; mode <= 1; mode++)
{
Directory dir1 = new MockRAMDirectory();
CreateIndex(dir1, false);
Directory dir2 = new MockRAMDirectory();
CreateIndex(dir2, true);
IndexReader reader1 = IndexReader.Open(dir1);
AssertRefCountEquals(1, reader1);
IndexReader initReader2 = IndexReader.Open(dir2);
IndexReader multiReader1 = new MultiReader(new IndexReader[]{reader1, initReader2}, (mode == 0));
ModifyIndex(0, dir2);
AssertRefCountEquals(1 + mode, reader1);
IndexReader multiReader2 = multiReader1.Reopen();
// index1 hasn't changed, so multiReader2 should share reader1 now with multiReader1
AssertRefCountEquals(2 + mode, reader1);
ModifyIndex(0, dir1);
IndexReader reader2 = reader1.Reopen();
AssertRefCountEquals(2 + mode, reader1);
if (mode == 1)
{
initReader2.Close();
}
ModifyIndex(1, dir1);
IndexReader reader3 = reader2.Reopen();
AssertRefCountEquals(2 + mode, reader1);
AssertRefCountEquals(1, reader2);
multiReader1.Close();
AssertRefCountEquals(1 + mode, reader1);
multiReader1.Close();
AssertRefCountEquals(1 + mode, reader1);
if (mode == 1)
{
initReader2.Close();
}
reader1.Close();
AssertRefCountEquals(1, reader1);
multiReader2.Close();
AssertRefCountEquals(0, reader1);
multiReader2.Close();
AssertRefCountEquals(0, reader1);
reader3.Close();
AssertRefCountEquals(0, reader1);
AssertReaderClosed(reader1, true, false);
reader2.Close();
AssertRefCountEquals(0, reader1);
AssertReaderClosed(reader1, true, false);
reader2.Close();
AssertRefCountEquals(0, reader1);
reader3.Close();
AssertRefCountEquals(0, reader1);
AssertReaderClosed(reader1, true, true);
dir1.Close();
dir2.Close();
}
}
