public void Should_Bind_To_Element_Path()
{
TextBlock target;
var root = new TestRoot
{
Child = new StackPanel
{
Children = new Controls.Controls
{
new TextBlock
{
Name = "source",
Text = "foo",
},
(target = new TextBlock
{
Name = "target",
})
}
}
};
var binding = new Binding
{
ElementName = "source",
Path = "Text",
};
target.Bind(TextBox.TextProperty, binding);
Assert.Equal("foo", target.Text);
}
public void Should_Bind_To_Element()
{
TextBlock source;
ContentControl target;
var root = new TestRoot
{
Child = new StackPanel
{
Children = new Controls.Controls
{
(source = new TextBlock
{
Name = "source",
Text = "foo",
}),
(target = new ContentControl
{
Name = "target",
})
}
}
};
var binding = new Binding
{
ElementName = "source",
};
target.Bind(ContentControl.ContentProperty, binding);
Assert.Same(source, target.Content);
}
public void Indei_Should_Set_ValidationState()
{
using (UnitTestApplication.Start(TestServices.MockThreadingInterface))
{
var target = new TextBox();
var binding = new Binding(nameof(ExceptionTest.LessThan10));
binding.Source = new IndeiTest();
binding.EnableValidation = true;
target.Bind(TextBox.TextProperty, binding);
Assert.True(target.ValidationStatus.IsValid);
target.Text = "20";
Assert.False(target.ValidationStatus.IsValid);
target.Text = "1";
Assert.True(target.ValidationStatus.IsValid);
}
}
public void Changing_DataContext_Should_Not_Clear_Nested_ViewModel_SelectedItem()
{
var items = new[]
{
new Item(),
new Item(),
};
var vm = new MasterViewModel
{
Child = new ChildViewModel
{
Items = items,
SelectedItem = items[1],
}
};
var target = new SelectingItemsControl { DataContext = vm };
var itemsBinding = new Binding("Child.Items");
var selectedBinding = new Binding("Child.SelectedItem");
target.Bind(SelectingItemsControl.ItemsProperty, itemsBinding);
target.Bind(SelectingItemsControl.SelectedItemProperty, selectedBinding);
Assert.Equal(1, target.SelectedIndex);
Assert.Same(vm.Child.SelectedItem, target.SelectedItem);
items = new[]
{
new Item { Value = "Item1" },
new Item { Value = "Item2" },
new Item { Value = "Item3" },
};
vm = new MasterViewModel
{
Child = new ChildViewModel
{
Items = items,
SelectedItem = items[2],
}
};
target.DataContext = vm;
Assert.Equal(2, target.SelectedIndex);
Assert.Same(vm.Child.SelectedItem, target.SelectedItem);
}
public void Should_Bind_To_Later_Added_Element()
{
ContentControl target;
StackPanel stackPanel;
var root = new TestRoot
{
Child = stackPanel = new StackPanel
{
Children = new Controls.Controls
{
(target = new ContentControl
{
Name = "target",
}),
}
}
};
var binding = new Binding
{
ElementName = "source",
};
target.Bind(ContentControl.ContentProperty, binding);
var source = new TextBlock
{
Name = "source",
Text = "foo",
};
stackPanel.Children.Add(source);
Assert.Same(source, target.Content);
}
