public void First_Tab_Should_Be_Selected_By_Default()
{
var items = new[]
{
new TabItem
{
Name = "first"
},
new TabItem
{
Name = "second"
},
};
var target = new TabStrip
{
Template = new FuncControlTemplate<TabStrip>(CreateTabStripTemplate),
Items = items,
};
target.ApplyTemplate();
Assert.Equal(0, target.SelectedIndex);
Assert.Same(items[0], target.SelectedItem);
}
public void Data_Of_Non_IHeadered_Items_Should_Be_Used()
{
var items = new[]
{
"foo",
"bar"
};
var target = new TabStrip
{
Template = new FuncControlTemplate<TabStrip>(CreateTabStripTemplate),
Items = items,
};
target.ApplyTemplate();
target.Presenter.ApplyTemplate();
var result = target.GetLogicalChildren()
.OfType<TabStripItem>()
.Select(x => x.Content)
.ToList();
Assert.Equal(new[] { "foo", "bar" }, result);
}
public void Setting_SelectedItem_Should_Set_Selection()
{
var items = new[]
{
new TabItem
{
Name = "first"
},
new TabItem
{
Name = "second"
},
};
var target = new TabStrip
{
Template = new FuncControlTemplate<TabStrip>(CreateTabStripTemplate),
Items = items,
SelectedItem = items[1],
};
target.ApplyTemplate();
Assert.Equal(1, target.SelectedIndex);
Assert.Same(items[1], target.SelectedItem);
}
private Control CreateTabStripTemplate(TabStrip parent)
{
return new ItemsPresenter
{
Name = "itemsPresenter",
[!ItemsPresenter.ItemsProperty] = parent[!ItemsControl.ItemsProperty],
[!ItemsPresenter.MemberSelectorProperty] = parent[!ItemsControl.MemberSelectorProperty],
};
}
public void Removing_Selected_Should_Select_Next()
{
var items = new ObservableCollection<TabItem>()
{
new TabItem
{
Name = "first"
},
new TabItem
{
Name = "second"
},
new TabItem
{
Name = "3rd"
},
};
var target = new TabStrip
{
Template = new FuncControlTemplate<TabStrip>(CreateTabStripTemplate),
Items = items
};
target.ApplyTemplate();
target.SelectedItem = items[1];
Assert.Same(items[1], target.SelectedItem);
items.RemoveAt(1);
// Assert for former element [2] now [1] == "3rd"
Assert.Equal(1, target.SelectedIndex);
Assert.Same(items[1], target.SelectedItem);
Assert.Same("3rd", ((TabItem)target.SelectedItem).Name);
}
public void Header_Of_IHeadered_Items_Should_Be_Used()
{
var items = new[]
{
#pragma warning disable CS0252 // Possible unintended reference comparison; left hand side needs cast
Mock.Of<IHeadered>(x => x.Header == "foo"),
Mock.Of<IHeadered>(x => x.Header == "bar"),
#pragma warning restore CS0252 // Possible unintended reference comparison; left hand side needs cast
};
var target = new TabStrip
{
Template = new FuncControlTemplate<TabStrip>(CreateTabStripTemplate),
Items = items,
};
target.ApplyTemplate();
target.Presenter.ApplyTemplate();
var result = target.GetLogicalChildren()
.OfType<TabStripItem>()
.Select(x => x.Content)
.ToList();
Assert.Equal(new[] { "foo", "bar" }, result);
}