public void two_arg_factory_result_is_created_only_once()
{
Foo.InstantiationCount = 0;
CachingFactory<int, int, Foo> fooFactory = new CachingFactory<int, int, Foo>(
(num1, num2) => new Foo(num1)
);
var foo1 = fooFactory.Get(1, 2);
for (int i = 0; i < 10; i++)
foo1 = fooFactory.Get(1,2);
Assert.AreEqual(Foo.InstantiationCount, 1);
var foo2 = fooFactory.Get(3, 4);
for (int i = 0; i < 10; i++)
foo1 = fooFactory.Get(3, 4);
Assert.AreEqual(Foo.InstantiationCount, 2);
fooFactory.Evict(1, 2);
foo1 = fooFactory.Get(1, 2);
Assert.AreEqual(Foo.InstantiationCount, 3);
}
public void result_is_created_only_once()
{
Foo.InstantiationCount = 0;
CachingFactory<int, Foo> fooFactory = new CachingFactory<int, Foo>(
(num) => new Foo(num)
);
var foo1 = fooFactory[1];
for (int i = 0; i < 10; i++)
foo1 = fooFactory[1];
Assert.AreEqual(Foo.InstantiationCount, 1);
var foo2 = fooFactory[2];
for (int i = 0; i < 10; i++)
foo1 = fooFactory[2];
Assert.AreEqual(Foo.InstantiationCount, 2);
fooFactory.Evict(1);
foo1 = fooFactory[1];
Assert.AreEqual(Foo.InstantiationCount, 3);
}