public void GetOrAddTaskWhenNothingIsCached_IntegerKey()
{
// arrange
var cacheSize = 10;
var cache = new TaskCache(cacheSize);
var key = new TaskCacheKey("a", 1);
// act
Task <string> resolved = cache.GetOrAddTask(key, () => Task.FromResult("Quox"));
// assert
Assert.Equal("Quox", resolved.Result);
}
public void TryAddValueNull()
{
// arrange
var cacheSize = 10;
var cache = new TaskCache(cacheSize);
var key = new TaskCacheKey("a", "Foo");
// act
void Verify() => cache.TryAdd(key, default(Task <string>) !);
// assert
Assert.Throws <ArgumentNullException>("value", Verify);
}
public void TryAddNewCacheEntryWithFactory()
{
// arrange
var cacheSize = 10;
var cache = new TaskCache(cacheSize);
var key = new TaskCacheKey("a", "Foo");
var expected = Task.FromResult("Bar");
// act
var added = cache.TryAdd(key, () => expected);
// assert
Task <string> resolved = cache.GetOrAddTask(key, () => Task.FromResult("Baz"));
Assert.True(added);
Assert.Same(expected, resolved);
}
public void RemoveEntry()
{
// arrange
var cacheSize = 10;
var cache = new TaskCache(cacheSize);
var key = new TaskCacheKey("a", "Foo");
var value = Task.FromResult("Bar");
cache.TryAdd(key, value);
// act
cache.TryRemove(key);
// assert
Task <string> retrieved = cache.GetOrAddTask(key, () => Task.FromResult("Baz"));
Assert.NotSame(value, retrieved);
}
public void TryAddTwice()
{
// arrange
var cacheSize = 10;
var cache = new TaskCache(cacheSize);
var key = new TaskCacheKey("a", "Foo");
var expected = Task.FromResult("Bar");
var another = Task.FromResult("Baz");
// act
var addedFirst = cache.TryAdd(key, expected);
var addedSecond = cache.TryAdd(key, another);
// assert
Task <string> resolved = cache.GetOrAddTask(key, () => Task.FromResult("Quox"));
Assert.True(addedFirst);
Assert.False(addedSecond);
Assert.Same(expected, resolved);
}
/// <inheritdoc />
public virtual void ResolvedTaskFromCache(
IDataLoader dataLoader,
TaskCacheKey cacheKey,
Task task)
{
}