public void ItemListAssignmentWithDuplicateValues()
{
{
ItemList <int> il = new ItemList <int> {
100, 3, 3, 5, 1
};
ItemList <int> il2 = new ItemList <int> {
1, 5, 5, 3, 100
};
il.Assign(il2);
Assert.Equal(5, il.Count);
Assert.Equal(1, il[0]);
Assert.Equal(5, il[1]);
Assert.Equal(5, il[2]);
Assert.Equal(3, il[3]);
Assert.Equal(100, il[4]);
}
{
ItemList <int> il = new ItemList <int> {
3, 4, 5
};
ItemList <int> il2 = new ItemList <int> {
2, 4, 6
};
il.Assign(il2);
Assert.Equal(3, il.Count);
Assert.Equal(2, il[0]);
Assert.Equal(4, il[1]);
Assert.Equal(6, il[2]);
}
}
public void ItemListInvalidAssignmentThrows()
{
ItemList <int> i1 = new ItemList <int>();
MyFalseEquatableItem i2 = new MyFalseEquatableItem();
Assert.Throws <ConfigItem.InvalidTypeAssignmentException>(() => i1.Assign(i2));
}
public void ItemListEventsWithDuplicateValues()
{
ItemList <int> il = new ItemList <int> {
100, 3, 2, 3, 3, 5, 8, 4, 5, 1
};
ItemList <int> il2 = new ItemList <int> {
1, 6, 3, 4, 5, 9, 4, 2, 4, 9, 100
};
void increment <T>(Dictionary <T, int> dict, T key)
{
dict.TryGetValue(key, out int value); dict[key] = value + 1;
}
var adds = new Dictionary <int, int>();
var dels = new Dictionary <int, int>();
void deleteHandler(object sender, ItemList <int> .ItemDeletedArgs args)
{
increment(dels, args.OldItem);
}
void addHandler(object sender, ItemList <int> .ItemAddedArgs args)
{
increment(adds, args.NewItem);
}
il.ItemDeleted += deleteHandler;
il.ItemAdded += addHandler;
bool updateCalled = false;
void updateHandler(object sender, ItemList <int> .UpdatedArgs args)
{
Assert.False(updateCalled);
updateCalled = true;
Assert.Same(il, sender);
Assert.Equal(il2, args.NewList);
Assert.Equal(new[] { 3, 3, 8, 5 }, args.DeletedItems);
Assert.Equal(new[] { 6, 9, 4, 4, 9 }, args.AddedItems);
}
il.Updated += updateHandler;
il.Assign(il2);
Assert.Equal(new Dictionary <int, int> {
{ 3, 2 }, { 8, 1 }, { 5, 1 }
}, dels);
Assert.Equal(new Dictionary <int, int> {
{ 6, 1 }, { 9, 2 }, { 4, 2 }
}, adds);
Assert.True(updateCalled);
}
public void ItemListEventsWithOnlyDifferentOrder()
{
ItemList <string> il = new ItemList <string> {
"foo", "bar"
};
ItemList <string> il2 = new ItemList <string> {
"bar", "foo"
};
bool deleteCalled = false;
void deleteHandler(object sender, ItemList <string> .ItemDeletedArgs args)
{
deleteCalled = true;
}
il.ItemDeleted += deleteHandler;
bool addCalled = false;
void addHandler(object sender, ItemList <string> .ItemAddedArgs args)
{
addCalled = true;
}
il.ItemAdded += addHandler;
bool updateCalled = false;
void updateHandler(object sender, ItemList <string> .UpdatedArgs args)
{
Assert.False(updateCalled);
updateCalled = true;
Assert.Empty(args.AddedItems);
Assert.Empty(args.DeletedItems);
}
il.Updated += updateHandler;
il.Assign(il2);
Assert.False(deleteCalled);
Assert.False(addCalled);
Assert.True(updateCalled);
}
public void ItemListAssignKeepsReferences()
{
var firstThree = new MyInt(3);
var firstFour = new MyInt(4);
var secondThree = new MyInt(3);
var newFive = new MyInt(5);
ItemList <MyInt> il = new ItemList <MyInt> {
firstFour, firstThree, secondThree, new MyInt(3), new MyInt(4)
}; // 4 3 3 3 4
ItemList <MyInt> il2 = new ItemList <MyInt> {
newFive, new MyInt(3), new MyInt(4), new MyInt(3)
}; // 5 3 4 3
il.Assign(il2);
Assert.Same(il[0], newFive);
Assert.Same(il[1], firstThree);
Assert.Same(il[2], firstFour);
Assert.Same(il[3], secondThree);
}
public void ItemListEventsAreCalled()
{
ItemList <SingleValue <int> > il = new ItemList <SingleValue <int> > {
3, 4
};
ItemList <SingleValue <int> > il2 = new ItemList <SingleValue <int> > {
4, 6
};
bool itemUpdatesCalled = false;
void itemUpdateHandler(object sender, SingleValue <int> .UpdatedArgs args)
{
itemUpdatesCalled = true;
}
il[0].Updated += itemUpdateHandler;
il[1].Updated += itemUpdateHandler;
il2[0].Updated += itemUpdateHandler;
il2[1].Updated += itemUpdateHandler;
bool threeDeleted = false;
bool othersDeleted = false;
void deleteHandler(object sender, ItemList <SingleValue <int> > .ItemDeletedArgs args)
{
Assert.Same(il, sender);
Assert.False(threeDeleted);
Assert.False(othersDeleted);
if (args.OldItem == 3)
{
threeDeleted = true;
}
else
{
othersDeleted = true;
}
}
il.ItemDeleted += deleteHandler;
bool sixAdded = false;
bool othersAdded = false;
void addHandler(object sender, ItemList <SingleValue <int> > .ItemAddedArgs args)
{
Assert.Same(il, sender);
Assert.False(sixAdded);
Assert.False(othersAdded);
if (args.NewItem == 6)
{
sixAdded = true;
}
else
{
othersAdded = true;
}
}
il.ItemAdded += addHandler;
bool updateCalled = false;
void updateHandler(object sender, ItemList <SingleValue <int> > .UpdatedArgs args)
{
Assert.False(updateCalled);
updateCalled = true;
Assert.Same(il, sender);
Assert.Equal(il2, args.NewList);
}
il.Updated += updateHandler;
il.Assign(il2);
Assert.True(threeDeleted);
Assert.False(othersDeleted);
Assert.True(sixAdded);
Assert.False(othersAdded);
Assert.True(updateCalled);
Assert.False(itemUpdatesCalled);
}