public void LruCacheStorage_Gauntlet_RemoveByPolicy()
{
var cacheSize = 16;
var uniqueCount = 32;
var rootedCount = 256;
var repeat = 10;
var cache = new Cache <string>(new LruCacheStorage <string>(cacheSize));
var strings = Enumerable.Range(1, uniqueCount).Select(x => "string" + x).ToArray();
var refs = new IDiscardable <string> [rootedCount];
var rand = new Random(17);
var tests = Enumerable.Repeat(strings, rootedCount * repeat).SelectMany(ss => ss).Select(s => Copy(s)).OrderBy(_ => rand.Next());
var count = 0;
Parallel.ForEach(
tests,
test =>
{
var r = cache.Create(test);
refs[Interlocked.Increment(ref count) % rootedCount] = r;
Assert.AreEqual(test, r.Value);
}
);
}
/// <summary>
/// Creates a new quoted value using the specified expression tree.
/// </summary>
/// <param name="value">Value of the quote.</param>
/// <param name="expression">Expression representing the quoted value.</param>
/// <param name="policy">Policy used to evaluate the expression.</param>
public Quoted(T value, Expression expression, IExpressionEvaluationPolicy policy)
{
if (expression == null)
{
throw new ArgumentNullException(nameof(expression));
}
if (policy == null)
{
throw new ArgumentNullException(nameof(policy));
}
if (!typeof(T).IsAssignableFrom(expression.Type))
{
throw new ArgumentException("The specified expression does not have a type compatible with the specified value.", nameof(expression));
}
Value = value;
_expression = policy.InMemoryCache.Create(expression);
}
