public void GivenLazyResolverWhenResolveAndParameterNullShouldThrow()
{
var resolver = new ExpressionLazyLoadResolver <string>((_) => Task.FromResult(string.Empty));
Func <object> action = () => resolver.Resolve(null);
action.Should().Throw <ArgumentNullException>();
}
public async Task GivenLazyLoadWhenResolveInParallelTasksShouldReturnSameInstance()
{
var resolver = new ExpressionLazyLoadResolver <Stub>((_) => Task.FromResult(new Stub()));
var tasks = new List <Task <Stub> >();
for (var i = 0; i < 10000; i++)
{
tasks.Add(resolver.ResolveAsync(1));
}
await Task.WhenAll(tasks);
tasks.Select(x => x.GetAwaiter().GetResult()).Distinct().Should().HaveCount(1);
}
