public void ClearFast()
{
var sharedSource = new SharedSource <MySharedItem>();
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
var item1 = sharedSource.AddNew("A");
var item2 = sharedSource.AddNew("B");
var item3 = sharedSource.AddNew("C");
Assert.AreEqual(3, sharedSource.Items.Count);
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item2, sharedSource.Items.ElementAt(1));
Assert.AreEqual(item3, sharedSource.Items.ElementAt(2));
Assert.AreEqual(2, sharedSource.SelectedIndex);
Assert.AreEqual(item3, sharedSource.SelectedItem);
sharedSource.ClearFast();
Assert.AreEqual(false, item1.IsCanDeactivateInvoked);
Assert.AreEqual(false, item1.IsOnNavigatingFromInvoked);
Assert.AreEqual(false, item2.IsCanDeactivateInvoked);
Assert.AreEqual(false, item2.IsOnNavigatingFromInvoked);
Assert.AreEqual(false, item3.IsCanDeactivateInvoked);
Assert.AreEqual(false, item3.IsOnNavigatingFromInvoked);
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
Assert.AreEqual(null, sharedSource.SelectedItem);
}
public void Call_OneTime_SelectionChanged_On_Insertion()
{
var sharedSource = new SharedSource <MySharedItem>();
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
int count = 0;
sharedSource.SelectedItemChanged += (s, e) =>
{
count++;
};
Assert.AreEqual(0, count);
var item1 = sharedSource.AddNew("A");
Assert.AreEqual(1, count);
var item2 = sharedSource.AddNew("B");
Assert.AreEqual(2, count);
var item3 = sharedSource.AddNew("C");
Assert.AreEqual(3, count);
}
public void Selection_With_SelectionHandling()
{
var sharedSource = new SharedSource <MySharedItem>();
sharedSource.SelectionHandling = SelectionHandling.None;
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
var item1 = sharedSource.AddNew("A");
var item2 = sharedSource.AddNew("B");
Assert.AreEqual(2, sharedSource.Items.Count);
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item2, sharedSource.Items.ElementAt(1));
Assert.AreEqual(-1, sharedSource.SelectedIndex);
Assert.AreEqual(null, sharedSource.SelectedItem);
sharedSource.SelectionHandling = SelectionHandling.Select;
var item3 = sharedSource.AddNew("C");
Assert.AreEqual(3, sharedSource.Items.Count);
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item2, sharedSource.Items.ElementAt(1));
Assert.AreEqual(item3, sharedSource.Items.ElementAt(2));
Assert.AreEqual(2, sharedSource.SelectedIndex);
Assert.AreEqual(item3, sharedSource.SelectedItem);
}
public void SelectedIndex_After_Insertion()
{
var sharedSource = new SharedSource <MySharedItem>();
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
var selections = new Dictionary <int, object>();
sharedSource.SelectedItemChanged += (s, e) =>
{
// 0 A => 1 B => 2 C
selections.Add(e.SelectedIndex, e.SelectedItem);
};
var item1 = sharedSource.AddNew("A");
var item2 = sharedSource.AddNew("B");
var item3 = sharedSource.AddNew("C");
Assert.AreEqual(3, sharedSource.Items.Count);
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item2, sharedSource.Items.ElementAt(1));
Assert.AreEqual(item3, sharedSource.Items.ElementAt(2));
Assert.AreEqual(2, sharedSource.SelectedIndex);
Assert.AreEqual(item3, sharedSource.SelectedItem);
Assert.AreEqual(0, selections.ElementAt(0).Key);
Assert.AreEqual(item1, selections.ElementAt(0).Value);
Assert.AreEqual(1, selections.ElementAt(1).Key);
Assert.AreEqual(item2, selections.ElementAt(1).Value);
Assert.AreEqual(2, selections.ElementAt(2).Key);
Assert.AreEqual(item3, selections.ElementAt(2).Value);
Assert.AreEqual(3, selections.Count);
}
public void Remove()
{
var sharedSource = new SharedSource <MySharedItem>();
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
var item1 = sharedSource.AddNew("A");
var item2 = sharedSource.AddNew("B");
var item3 = sharedSource.AddNew("C");
Assert.AreEqual(3, sharedSource.Items.Count);
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item2, sharedSource.Items.ElementAt(1));
Assert.AreEqual(item3, sharedSource.Items.ElementAt(2));
Assert.AreEqual(2, sharedSource.SelectedIndex);
Assert.AreEqual(item3, sharedSource.SelectedItem);
item1.CDeactivate = false;
sharedSource.Remove(item1);
Assert.AreEqual(true, item1.IsCanDeactivateInvoked);
Assert.AreEqual(false, item1.IsOnNavigatingFromInvoked);
item1.CDeactivate = true;
sharedSource.Remove(item1);
Assert.AreEqual(true, item1.IsCanDeactivateInvoked);
Assert.AreEqual(true, item1.IsOnNavigatingFromInvoked);
Assert.AreEqual(2, sharedSource.Items.Count);
Assert.AreEqual(item2, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item3, sharedSource.Items.ElementAt(1));
Assert.AreEqual(1, sharedSource.SelectedIndex);
Assert.AreEqual(item3, sharedSource.SelectedItem);
}
public void AddNewItem()
{
var sharedSource = new SharedSource <MySharedItem>();
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
var item1 = sharedSource.AddNew(2);
Assert.AreEqual(true, item1.IsCanActivateInvoked);
Assert.AreEqual(false, item1.IsOnNavigatingFromInvoked);
Assert.AreEqual(true, item1.IsOnNavigatingToInvoked);
Assert.AreEqual(2, item1.POnNavigatingTo);
Assert.AreEqual(true, item1.IsOnNavigatedToInvoked);
Assert.AreEqual(2, item1.POnNavigatedTo);
Assert.AreEqual(0, sharedSource.SelectedIndex);
Assert.AreEqual(item1, sharedSource.SelectedItem);
Assert.AreEqual(1, sharedSource.Items.Count);
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
var item2 = sharedSource.AddNew(10);
Assert.AreEqual(true, item2.IsCanActivateInvoked);
Assert.AreEqual(false, item2.IsOnNavigatingFromInvoked);
Assert.AreEqual(true, item2.IsOnNavigatingToInvoked);
Assert.AreEqual(10, item2.POnNavigatingTo);
Assert.AreEqual(true, item2.IsOnNavigatedToInvoked);
Assert.AreEqual(10, item2.POnNavigatedTo);
Assert.AreEqual(2, sharedSource.Items.Count);
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item2, sharedSource.Items.ElementAt(1));
}
public void ClearAsync()
{
var sharedSource = new SharedSource <MySharedItem>();
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
var item1 = sharedSource.AddNew("A");
var item2 = sharedSource.AddNew("B");
var item3 = sharedSource.AddNew("C");
Assert.AreEqual(3, sharedSource.Items.Count);
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item2, sharedSource.Items.ElementAt(1));
Assert.AreEqual(item3, sharedSource.Items.ElementAt(2));
Assert.AreEqual(2, sharedSource.SelectedIndex);
Assert.AreEqual(item3, sharedSource.SelectedItem);
// C => B => A
var selections = new Dictionary <int, object>();
sharedSource.SelectedItemChanged += (s, e) =>
{
// 1 B... 0 A
selections.Add(e.SelectedIndex, e.SelectedItem);
};
sharedSource.Clear();
Assert.AreEqual(true, item1.IsCanDeactivateInvoked);
Assert.AreEqual(true, item1.IsOnNavigatingFromInvoked);
Assert.AreEqual(true, item2.IsCanDeactivateInvoked);
Assert.AreEqual(true, item2.IsOnNavigatingFromInvoked);
Assert.AreEqual(true, item3.IsCanDeactivateInvoked);
Assert.AreEqual(true, item3.IsOnNavigatingFromInvoked);
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
Assert.AreEqual(null, sharedSource.SelectedItem);
// item3 removed(old index 2) ... select item2(index 1)
Assert.AreEqual(1, selections.ElementAt(0).Key);
Assert.AreEqual(item2, selections.ElementAt(0).Value);
// item1 removed change index, select item1(index 0)
Assert.AreEqual(0, selections.ElementAt(1).Key);
Assert.AreEqual(item1, selections.ElementAt(1).Value);
// empty items
Assert.AreEqual(-1, selections.ElementAt(2).Key);
Assert.AreEqual(null, selections.ElementAt(2).Value);
Assert.AreEqual(3, selections.Count);
}
public void ClearAsync_With_One_Item_CannotDeactivate()
{
var sharedSource = new SharedSource <MySharedItem>();
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
var item1 = sharedSource.AddNew("A");
var item2 = sharedSource.AddNew("B");
var item3 = sharedSource.AddNew("C");
Assert.AreEqual(3, sharedSource.Items.Count);
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item2, sharedSource.Items.ElementAt(1));
Assert.AreEqual(item3, sharedSource.Items.ElementAt(2));
Assert.AreEqual(2, sharedSource.SelectedIndex);
Assert.AreEqual(item3, sharedSource.SelectedItem);
// C => B X => A
var selections = new Dictionary <int, object>();
sharedSource.SelectedItemChanged += (s, e) =>
{
// 1 B... 0 B
selections.Add(e.SelectedIndex, e.SelectedItem);
};
item2.CDeactivate = false;
sharedSource.Clear();
Assert.AreEqual(true, item1.IsCanDeactivateInvoked);
Assert.AreEqual(true, item1.IsOnNavigatingFromInvoked);
Assert.AreEqual(true, item2.IsCanDeactivateInvoked);
Assert.AreEqual(false, item2.IsOnNavigatingFromInvoked);
Assert.AreEqual(true, item3.IsCanDeactivateInvoked);
Assert.AreEqual(true, item3.IsOnNavigatingFromInvoked);
Assert.AreEqual(1, sharedSource.Items.Count);
Assert.AreEqual(0, sharedSource.SelectedIndex);
Assert.AreEqual(item2, sharedSource.SelectedItem);
// item3 removed(old index 2) ... select item2(index 1 B)
Assert.AreEqual(1, selections.ElementAt(0).Key);
Assert.AreEqual(item2, selections.ElementAt(0).Value);
// item1 removed change index, same seleected item item2
Assert.AreEqual(0, selections.ElementAt(1).Key);
Assert.AreEqual(item2, selections.ElementAt(1).Value);
Assert.AreEqual(2, selections.Count);
}
public void MoveItem()
{
var sharedSource = new SharedSource <MySharedItem>();
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
var item1 = sharedSource.AddNew("A");
var item2 = sharedSource.AddNew("B");
var item3 = sharedSource.AddNew("C");
Assert.AreEqual(3, sharedSource.Items.Count);
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item2, sharedSource.Items.ElementAt(1));
Assert.AreEqual(item3, sharedSource.Items.ElementAt(2));
Assert.AreEqual(2, sharedSource.SelectedIndex);
Assert.AreEqual(item3, sharedSource.SelectedItem);
item2.Reset();
item3.Reset();
// move item2 B(index 1) => to index 2(last)
sharedSource.Move(1, 2);
// A C B
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item3, sharedSource.Items.ElementAt(1));
Assert.AreEqual(item2, sharedSource.Items.ElementAt(2));
// select item moved item2
Assert.AreEqual(2, sharedSource.SelectedIndex);
Assert.AreEqual(item2, sharedSource.SelectedItem);
// do not invoke navigation methods
Assert.AreEqual(false, item2.IsCanActivateInvoked);
Assert.AreEqual(false, item2.IsOnNavigatingFromInvoked);
Assert.AreEqual(false, item2.IsOnNavigatingFromInvoked);
Assert.AreEqual(false, item2.IsOnNavigatingToInvoked);
Assert.AreEqual(false, item2.IsOnNavigatedToInvoked);
Assert.AreEqual(false, item3.IsCanActivateInvoked);
Assert.AreEqual(false, item3.IsOnNavigatingFromInvoked);
Assert.AreEqual(false, item3.IsOnNavigatingFromInvoked);
Assert.AreEqual(false, item3.IsOnNavigatingToInvoked);
Assert.AreEqual(false, item3.IsOnNavigatedToInvoked);
}
public void SelectedIndex_After_Deletion()
{
var sharedSource = new SharedSource <MySharedItem>();
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
var item1 = sharedSource.AddNew("A");
var item2 = sharedSource.AddNew("B");
var item3 = sharedSource.AddNew("C");
Assert.AreEqual(3, sharedSource.Items.Count);
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item2, sharedSource.Items.ElementAt(1));
Assert.AreEqual(item3, sharedSource.Items.ElementAt(2));
Assert.AreEqual(2, sharedSource.SelectedIndex);
Assert.AreEqual(item3, sharedSource.SelectedItem);
// remove last
sharedSource.RemoveAt(2);
Assert.AreEqual(2, sharedSource.Items.Count);
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item2, sharedSource.Items.ElementAt(1));
Assert.AreEqual(1, sharedSource.SelectedIndex);
Assert.AreEqual(item2, sharedSource.SelectedItem);
// remove first
sharedSource.RemoveAt(0);
Assert.AreEqual(1, sharedSource.Items.Count);
Assert.AreEqual(item2, sharedSource.Items.ElementAt(0));
Assert.AreEqual(0, sharedSource.SelectedIndex);
Assert.AreEqual(item2, sharedSource.SelectedItem);
sharedSource.RemoveAt(0);
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
Assert.AreEqual(null, sharedSource.SelectedItem);
}
public void Updates_Parameter()
{
var sharedSource = new SharedSource <MyViewModelThatChangeParameter>();
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
sharedSource.AddNew("p");
Assert.AreEqual("p-canactivateviewmodel--onavigatingtoviewmodel--navigatedtoviewmodel-", MyViewModelThatChangeParameter.Parameter);
MyViewModelThatChangeParameter.Parameter = null;
sharedSource.RemoveAt(0);
Assert.AreEqual("p-canactivateviewmodel--onavigatingtoviewmodel--navigatedtoviewmodel--candeactivateviewmodel--onavigatingfromviewmodel-", MyViewModelThatChangeParameter.Parameter);
}
public void ReplaceItem()
{
var sharedSource = new SharedSource <MySharedItem>();
Assert.AreEqual(0, sharedSource.Items.Count);
Assert.AreEqual(-1, sharedSource.SelectedIndex);
var item1 = sharedSource.AddNew("A");
var item2 = sharedSource.AddNew("B");
var item3 = sharedSource.AddNew("C");
Assert.AreEqual(3, sharedSource.Items.Count);
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item2, sharedSource.Items.ElementAt(1));
Assert.AreEqual(item3, sharedSource.Items.ElementAt(2));
Assert.AreEqual(2, sharedSource.SelectedIndex);
Assert.AreEqual(item3, sharedSource.SelectedItem);
// replace item2 by item4
var item4 = sharedSource.CreateNew();
item2.Reset();
item4.Reset();
item2.CDeactivate = false;
sharedSource.Replace(1, item4, "D");
Assert.AreEqual(true, item2.IsCanDeactivateInvoked);
Assert.AreEqual(false, item2.IsOnNavigatingFromInvoked);
Assert.AreEqual(false, item4.IsCanActivateInvoked);
Assert.AreEqual(null, item4.PCanActivate);
Assert.AreEqual(false, item4.IsOnNavigatingFromInvoked);
Assert.AreEqual(false, item4.IsOnNavigatingToInvoked);
Assert.AreEqual(null, item4.POnNavigatingTo);
Assert.AreEqual(false, item4.IsOnNavigatedToInvoked);
Assert.AreEqual(null, item4.POnNavigatedTo);
item2.Reset();
item4.Reset();
item4.CActivate = false;
sharedSource.Replace(1, item4, "D");
Assert.AreEqual(true, item2.IsCanDeactivateInvoked);
Assert.AreEqual(false, item2.IsOnNavigatingFromInvoked);
Assert.AreEqual(true, item4.IsCanActivateInvoked);
Assert.AreEqual("D", item4.PCanActivate);
Assert.AreEqual(false, item4.IsOnNavigatingFromInvoked);
Assert.AreEqual(false, item4.IsOnNavigatingToInvoked);
Assert.AreEqual(null, item4.POnNavigatingTo);
Assert.AreEqual(false, item4.IsOnNavigatedToInvoked);
Assert.AreEqual(null, item4.POnNavigatedTo);
// with parameter
item2.Reset();
item4.Reset();
sharedSource.Replace(1, item4, "D");
// A C B
Assert.AreEqual(item1, sharedSource.Items.ElementAt(0));
Assert.AreEqual(item4, sharedSource.Items.ElementAt(1));
Assert.AreEqual(item3, sharedSource.Items.ElementAt(2));
// select item updated
Assert.AreEqual(1, sharedSource.SelectedIndex);
Assert.AreEqual(item4, sharedSource.SelectedItem);
// do not invoke navigation methods
Assert.AreEqual(true, item2.IsCanDeactivateInvoked);
Assert.AreEqual(true, item2.IsOnNavigatingFromInvoked);
Assert.AreEqual(false, item2.IsOnNavigatingToInvoked);
Assert.AreEqual(false, item2.IsOnNavigatedToInvoked);
Assert.AreEqual(true, item4.IsCanActivateInvoked);
Assert.AreEqual("D", item4.PCanActivate);
Assert.AreEqual(false, item4.IsOnNavigatingFromInvoked);
Assert.AreEqual(true, item4.IsOnNavigatingToInvoked);
Assert.AreEqual("D", item4.POnNavigatingTo);
Assert.AreEqual(true, item4.IsOnNavigatedToInvoked);
Assert.AreEqual("D", item4.POnNavigatedTo);
}