public async Task GetMatching_FiltersKeys()
{
var goodItems1 = GenerateItems(4);
var goodItems2 = GenerateItems(4);
var expected = goodItems1.Union(goodItems2).ToList();
var badItems = GenerateItems(4);
var dictionary = new WeakMultiValueDictionary <string, Item>();
foreach (var item in goodItems1)
{
await dictionary.AddAsync("good1", item);
}
foreach (var item in goodItems2)
{
await dictionary.AddAsync("good2", item);
}
foreach (var item in badItems)
{
await dictionary.AddAsync("bad", item);
}
var result = await dictionary.GetMatchingAsync(k => k.StartsWith("good"));
TestHelper.AssertEquivalent(expected, result);
}
public async Task Add_SingleItem_KeepsItem()
{
var key = "good";
var item = new Item();
var dictionary = new WeakMultiValueDictionary <string, Item>();
await dictionary.AddAsync(key, item);
var result = await dictionary.GetAsync(key);
Assert.Single(result, item);
}
public async Task Add_SingleItem_GarbageCollected_RemovesItem()
{
var key = "good";
var dictionary = new WeakMultiValueDictionary <string, Item>();
await dictionary.AddAsync(key, new Item());
await TestHelper.ForceGarbageCollectionAsync();
var result = await dictionary.GetAsync(key);
Assert.Empty(result);
}
public async Task Add_RemoveItem_DoesntKeepItem()
{
var key = "good";
var item = new Item();
var dictionary = new WeakMultiValueDictionary <string, Item>();
await dictionary.AddAsync(key, item);
await dictionary.RemoveAsync(key, item);
var result = await dictionary.GetAsync(key);
Assert.Empty(result);
}
public async Task Add_MultipleItems_KeepsItems()
{
var key = "good";
var expected = GenerateItems(4);
var dictionary = new WeakMultiValueDictionary <string, Item>();
foreach (var item in expected)
{
await dictionary.AddAsync(key, item);
}
var actual = await dictionary.GetAsync(key);
TestHelper.AssertEquivalent(expected, actual);
}
public async Task Add_MultipleItems_GarbageCollected_RemovesItems()
{
var key = "good";
var expected = GenerateItems(4);
var collected = GenerateItems(4);
var dictionary = new WeakMultiValueDictionary <string, Item>();
foreach (var item in expected.Union(collected))
{
await dictionary.AddAsync(key, item);
}
collected = null;
await TestHelper.ForceGarbageCollectionAsync();
var actual = await dictionary.GetAsync(key);
TestHelper.AssertEquivalent(expected, actual);
}