public void testDelete()
{
// create the ConditionalIndex to be tested
IValueExtractor extractor = new IdentityExtractor();
IFilter filter = new LessFilter(extractor, 15);
var mapIndex = new ConditionalIndex(filter, extractor, true, null, true);
// define the keys and values
const string oKey = "key";
Object oValue = 1;
Object oExtracted = 1;
ICacheEntry entry = new CacheEntry(oKey, oValue, oValue);
// begin test
// verify that the index does not contain a value for the tested keys
Assert.AreEqual(ObjectUtils.NO_VALUE, mapIndex.Get(oKey));
// insert into the index
mapIndex.Insert(entry);
object extractedValue = mapIndex.Get(oKey);
Assert.AreEqual(oExtracted, extractedValue,
"The index should contain the extracted value for key.");
mapIndex.Delete(entry);
Assert.AreEqual(ObjectUtils.NO_VALUE, mapIndex.Get(oKey));
}
public void testDelete_forwardIndexFalse()
{
// create the ConditionalIndex to be tested
IValueExtractor extractor = new IdentityExtractor();
IFilter filter = new LessFilter(extractor, 15);
var mapIndex = new ConditionalIndex(filter, extractor, true, null, false);
// define the keys and values for the mock entries
const string oKey = "key";
Object oValue = 1;
Object oExtracted = 1;
ICacheEntry entry = new CacheEntry(oKey, oValue);
ICacheEntry delEntry = new CacheEntry(oKey, oValue, oValue);
// begin test
// assert the the inverse map does not contain an entry for the extracted value
Assert.IsFalse(mapIndex.IndexContents.Contains(oExtracted));
// insert into the index
mapIndex.Insert(entry);
// assert the the inverse map does contain an entry for the extracted value
Assert.IsTrue(mapIndex.IndexContents.Contains(oExtracted));
mapIndex.Delete(delEntry);
// get the inverse map
var mapInverse = (SynchronizedDictionary)mapIndex.IndexContents;
// get the set of keys from the inverse map keyed by the extracted
// value for key
var set = (HashSet)mapInverse[oExtracted];
// verify that the set of keys does not contain key
Assert.IsTrue(set == null || !set.Contains(oKey),
"The index's inverse map should not contain the key for the extracted value.");
}
