public void When_adding_or_replacing_items()
{
var p1 = new Person("A", 1);
var p2 = new Person("A", 11);
EasyDictionary <string, Person> dic = new EasyDictionary <string, Person>(p => p.Id);
dic.Count.ShouldBe(0);
dic.AddOrReplace(p1).ShouldBeTrue();
dic.Count.ShouldBe(1);
dic["A"].ShouldBe(p1);
dic.AddOrReplace(p1).ShouldBeFalse();
dic.Count.ShouldBe(1);
dic["A"].ShouldBe(p1);
dic.AddOrReplace(p2).ShouldBeTrue();
dic.Count.ShouldBe(1);
dic["A"].ShouldNotBe(p1);
dic["A"].ShouldBe(p2);
}
