public void DynamicMapNullAssignmentFiresAddAndDelete()
{
var three = new MyIntItem(3);
var four = new MyIntItem(4);
DynamicMap <MyIntItem> dm = new DynamicMap <MyIntItem> {
{ "fromnull", null }, { "tonull", three }
};
DynamicMap <MyIntItem> dm2 = new DynamicMap <MyIntItem> {
{ "fromnull", four }, { "tonull", null }
};
bool added = false;
dm.ItemAdded += (sender, args) => {
Assert.False(added);
added = true;
Assert.Equal("fromnull", args.Key);
Assert.Same(four, args.NewItem);
};
dm.ItemUpdated += (sender, args) => Assert.False(true);
bool deleted = false;
dm.ItemDeleted += (sender, args) => {
Assert.False(deleted);
deleted = true;
Assert.Equal("tonull", args.Key);
Assert.Same(three, args.OldItem);
};
dm.Assign(dm2);
Assert.True(added);
Assert.True(deleted);
}
public void DynamicMapAssignKeepsReferences()
{
var three = new MyIntItem(3);
var four = new MyIntItem(4);
var newFive = new MyIntItem(5);
DynamicMap <MyIntItem> dm = new DynamicMap <MyIntItem> {
{ "a", three }, { "b", four }
};
DynamicMap <MyIntItem> dm2 = new DynamicMap <MyIntItem> {
{ "a", new MyIntItem(3) }, { "b", four }, { "c", newFive }
};
dm.Assign(dm2);
Assert.Same(three, dm["a"]);
Assert.Same(four, dm["b"]);
Assert.Same(newFive, dm["c"]);
}
