public void With6969ElementsAndPageSize100_GetAnElementFromEachPage_NoneDisposed(
PageLoadingBehavior pageLoadingBehavior,
PageRemovalBehavior pageRemovalBehavior,
FetchersKind fetchersKind,
IndexAccessBehavior indexAccessBehavior)
{
// Arrange
var set = new ConcurrentBag <int>();
using var collection = DataVirtualizingCollectionFactory.CreateCollectionWithCustomPageFetchingLogic(
pageLoadingBehavior,
pageRemovalBehavior,
fetchersKind,
indexAccessBehavior,
6969,
100,
(offset, pSize) =>
Enumerable
.Range(offset, pSize)
.Select(i => Disposable.Create(() => set.Add(i)))
.ToArray(),
Disposable.Empty);
// Act
for (var i = 0; i <= 6900; i += 100)
{
var _ = collection[i];
}
// Assert
Assert.Empty(set);
}
public void With69ElementsAndPageSize10_GetAnElementFromEachPageDisposeCollection_AllDisposed(
PageLoadingBehavior pageLoadingBehavior,
PageRemovalBehavior pageRemovalBehavior,
FetchersKind fetchersKind,
IndexAccessBehavior indexAccessBehavior)
{
// Arrange
const int expected = 69;
var set = new ConcurrentBag <int>();
var collection = DataVirtualizingCollectionFactory.CreateCollectionWithCustomPageFetchingLogic(
pageLoadingBehavior,
pageRemovalBehavior,
fetchersKind,
indexAccessBehavior,
expected,
10,
(offset, pSize) =>
Enumerable
.Range(offset, pSize)
.Select(i => Disposable.Create(() => set.Add(i)))
.ToArray(),
Disposable.Empty);
// Act
for (var i = 0; i <= expected; i += 10)
{
var _ = collection[i];
}
collection.Dispose();
Thread.Sleep(500);
// Assert
Assert.Equal(expected, set.Count);
}
public async Task BuildingCollectionWherePageFetcherIgnoresGivenPageSize23_70thEntry_69(
PageLoadingBehavior pageLoadingBehavior,
PageRemovalBehavior pageRemovalBehavior,
FetchersKind fetchersKind,
IndexAccessBehavior indexAccessBehavior)
{
// Arrange
using var collection = DataVirtualizingCollectionFactory.CreateCollectionWithIncrementalIntegerWhereFetchersIgnorePageSize(
pageLoadingBehavior,
pageRemovalBehavior,
fetchersKind,
indexAccessBehavior,
6969,
23);
await collection.InitializationCompleted;
// Act
var placeholder = collection[69];
await Task.Delay(50);
// Assert
Assert.Equal(-1, placeholder);
Assert.Equal(69, collection[69]);
}
public async Task BuildingCollectionWith6969Elements_124thEntry_123(
PageLoadingBehavior pageLoadingBehavior,
PageRemovalBehavior pageRemovalBehavior,
FetchersKind fetchersKind,
IndexAccessBehavior indexAccessBehavior)
{
// Arrange
using var collection = DataVirtualizingCollectionFactory.CreateCollectionWithIncrementalInteger(
pageLoadingBehavior,
pageRemovalBehavior,
fetchersKind,
indexAccessBehavior,
6969,
100);
await collection.InitializationCompleted;
// Act
var placeholder = collection[123];
await Task.Delay(50);
// Assert
Assert.Equal(-1, placeholder);
Assert.Equal(123, collection[123]);
}
public async Task BuildingCollectionWith6969Elements_124thEntry_123(
PageLoadingBehavior pageLoadingBehavior,
PageRemovalBehavior pageRemovalBehavior,
FetchersKind fetchersKind,
IndexAccessBehavior indexAccessBehavior)
{
// Arrange
var scheduler = new TestScheduler();
await using var collection = DataVirtualizingCollectionFactory.CreateCollectionWithIncrementalInteger(
pageLoadingBehavior,
pageRemovalBehavior,
fetchersKind,
indexAccessBehavior,
6969,
100,
scheduler);
scheduler.AdvanceBy(20);
Assert.True(collection.InitializationCompleted.IsCompletedSuccessfully);
// Act
var placeholder = collection[123];
await Task.Delay(TimeSpan.FromMilliseconds(50)).ConfigureAwait(false);
scheduler.AdvanceBy(20);
// Assert
Assert.Equal(-1, placeholder);
Assert.Equal(123, collection[123]);
}
public async Task With69ElementsAndPageSize10_GetAnElementFromEachPageDisposeCollection_AllDisposed(
PageLoadingBehavior pageLoadingBehavior,
PageRemovalBehavior pageRemovalBehavior,
FetchersKind fetchersKind,
IndexAccessBehavior indexAccessBehavior)
{
// Arrange
var scheduler = new TestScheduler();
const int expected = 69;
var set = new ConcurrentBag <int>();
var collection = DataVirtualizingCollectionFactory.CreateCollectionWithCustomPageFetchingLogic(
pageLoadingBehavior,
pageRemovalBehavior,
fetchersKind,
indexAccessBehavior,
expected,
10,
(offset, pSize) =>
Enumerable
.Range(offset, pSize)
.Select(i => Disposable.Create(() => set.Add(i)))
.ToArray(),
Disposable.Empty,
scheduler);
scheduler.AdvanceBy(20);
Assert.True(collection.InitializationCompleted.IsCompletedSuccessfully);
// Act
for (var i = 0; i <= expected; i += 10)
{
var _ = collection[i];
await Task.Delay(TimeSpan.FromMilliseconds(50)).ConfigureAwait(false);
scheduler.AdvanceBy(20);
}
await collection.DisposeAsync();
await Task.Delay(TimeSpan.FromMilliseconds(50)).ConfigureAwait(false);
scheduler.AdvanceBy(20);
// Assert
Assert.Equal(expected, set.Count);
}
public void BuildingCollectionWith6969Elements_6001thEntry_6000(
PageLoadingBehavior pageLoadingBehavior,
PageRemovalBehavior pageRemovalBehavior,
FetchersKind fetchersKind,
IndexAccessBehavior indexAccessBehavior)
{
// Arrange
using var collection = DataVirtualizingCollectionFactory.CreateCollectionWithIncrementalInteger(
pageLoadingBehavior,
pageRemovalBehavior,
fetchersKind,
indexAccessBehavior,
6969,
100);
// Act + Assert
Assert.Equal(6000, collection[6000]);
}
public void BuildingCollectionWherePageFetcherIgnoresGivenPageSize23_70thEntry_69(
PageLoadingBehavior pageLoadingBehavior,
PageRemovalBehavior pageRemovalBehavior,
FetchersKind fetchersKind,
IndexAccessBehavior indexAccessBehavior)
{
// Arrange
using var collection = DataVirtualizingCollectionFactory.CreateCollectionWithIncrementalIntegerWhereFetchersIgnorePageSize(
pageLoadingBehavior,
pageRemovalBehavior,
fetchersKind,
indexAccessBehavior,
6969,
23);
// Act + Assert
Assert.Equal(69, collection[69]);
}
public void BuildingCollectionWith6969Elements_MinusFirstEntry_ThrowsIndexOutOfRangeException(
PageLoadingBehavior pageLoadingBehavior,
PageRemovalBehavior pageRemovalBehavior,
FetchersKind fetchersKind,
IndexAccessBehavior indexAccessBehavior)
{
// Arrange
using var collection = DataVirtualizingCollectionFactory.CreateCollectionWithIncrementalInteger(
pageLoadingBehavior,
pageRemovalBehavior,
fetchersKind,
indexAccessBehavior,
6969,
100);
// Act + Assert
Assert.Throws <IndexOutOfRangeException>(() => collection[-1]);
}
public async Task BuildingCollectionWith6969Elements_6970thEntry_ThrowsIndexOutOfRangeException(
PageLoadingBehavior pageLoadingBehavior,
PageRemovalBehavior pageRemovalBehavior,
FetchersKind fetchersKind,
IndexAccessBehavior indexAccessBehavior)
{
// Arrange
using var collection = DataVirtualizingCollectionFactory.CreateCollectionWithIncrementalInteger(
pageLoadingBehavior,
pageRemovalBehavior,
fetchersKind,
indexAccessBehavior,
6969,
100);
await collection.InitializationCompleted;
// Act + Assert
Assert.Throws <IndexOutOfRangeException>(() => collection[6969]);
}
public async Task BuildingCollectionWith6969Elements_124thEntry_123(
PageLoadingBehavior pageLoadingBehavior,
PageRemovalBehavior pageRemovalBehavior,
FetchersKind fetchersKind,
IndexAccessBehavior indexAccessBehavior)
{
// Arrange
var scheduler = new TestScheduler();
await using var collection = DataVirtualizingCollectionFactory.CreateCollectionWithIncrementalInteger(
pageLoadingBehavior,
pageRemovalBehavior,
fetchersKind,
indexAccessBehavior,
6969,
100,
scheduler);
// Act + Assert
Assert.Equal(123, collection[123]);
}
public async Task BuildingCollectionWith6969Elements_MinusFirstEntry_ThrowsIndexOutOfRangeException(
PageLoadingBehavior pageLoadingBehavior,
PageRemovalBehavior pageRemovalBehavior,
FetchersKind fetchersKind,
IndexAccessBehavior indexAccessBehavior)
{
// Arrange
var scheduler = new TestScheduler();
await using var collection = DataVirtualizingCollectionFactory.CreateCollectionWithIncrementalInteger(
pageLoadingBehavior,
pageRemovalBehavior,
fetchersKind,
indexAccessBehavior,
6969,
100,
scheduler);
scheduler.AdvanceBy(20);
Assert.True(collection.InitializationCompleted.IsCompletedSuccessfully);
// Act + Assert
Assert.Throws <IndexOutOfRangeException>(() => collection[-1]);
}
