public void Test_TRexSpatialMemoryCacheContext_MarkForRemovalViaLastElementRemoved()
{
ITRexSpatialMemoryCacheContext context =
new TRexSpatialMemoryCacheContext(new TRexSpatialMemoryCache(100, 1000000, 0.5),
new TRexSpatialMemoryCacheStorage <ITRexMemoryCacheItem>(100, 50));
Assert.False(context.MarkedForRemoval);
var currentDate = DateTime.UtcNow;
var element = new TRexSpatialMemoryCacheContextTests_Element {
SizeInBytes = 1000, CacheOriginX = 2000, CacheOriginY = 3000
};
Assert.True(context.OwnerMemoryCache.Add(context, element, context.InvalidationVersion) == CacheContextAdditionResult.Added, "Result is false on addition of first element");
Assert.True(!context.MarkedForRemoval && context.TokenCount == 1);
context.Remove(element);
Assert.True(context.MarkedForRemoval, "Removing last element in context for removal did not mark for removal");
Assert.True(context.MarkedForRemovalAtUtc >= currentDate, "Removal date not expected");
}
public void Test_TRexSpatialMemoryCacheContext_RemoveOneElement()
{
ITRexSpatialMemoryCacheContext context =
new TRexSpatialMemoryCacheContext(new TRexSpatialMemoryCache(100, 1000000, 0.5),
new TRexSpatialMemoryCacheStorage <ITRexMemoryCacheItem>(100, 50));
var element = new TRexSpatialMemoryCacheContextTests_Element {
SizeInBytes = 1000, CacheOriginX = 2000, CacheOriginY = 3000
};
context.OwnerMemoryCache.Add(context, element, context.InvalidationVersion).Should().Be(CacheContextAdditionResult.Added);;
Assert.True(context.TokenCount == 1, $"Element count incorrect (= {context.TokenCount})");
Assert.True(context.MRUList.TokenCount == 1, $"MRU list count incorrect (= {context.MRUList.TokenCount})");
// Check the newly added element in the context is present in the context map with a 1-based index
Assert.True(context.ContextTokens[element.CacheOriginX >> SubGridTreeConsts.SubGridIndexBitsPerLevel, element.CacheOriginY >> SubGridTreeConsts.SubGridIndexBitsPerLevel] == 1,
"Single newly added element does not have index of 1 present in ContextTokens");
context.Remove(element);
Assert.True(context.ContextTokens[element.CacheOriginX >> SubGridTreeConsts.SubGridIndexBitsPerLevel, element.CacheOriginY >> SubGridTreeConsts.SubGridIndexBitsPerLevel] == 0, "Removed element did not reset ContextTokens index to 0");
}