public void ScrollBar_Should_Not_AutoHide_When_ViewportSize_Is_NaN()
{
var target = new ScrollBar();
target.Visibility = ScrollBarVisibility.Auto;
target.Minimum = 0;
target.Maximum = 100;
target.ViewportSize = double.NaN;
Assert.True(target.IsVisible);
}
public void ScrollBar_Can_AutoHide()
{
var target = new ScrollBar();
target.Visibility = ScrollBarVisibility.Auto;
target.Minimum = 0;
target.Maximum = 100;
target.ViewportSize = 100;
Assert.False(target.IsVisible);
}
public void Setting_Track_Value_Should_Update_Value()
{
var target = new ScrollBar
{
Template = new FuncControlTemplate<ScrollBar>(Template),
};
target.ApplyTemplate();
var track = (Track)target.GetTemplateChildren().First(x => x.Name == "track");
track.Value = 50;
Assert.Equal(target.Value, 50);
}
public void ScrollBar_Should_Not_AutoHide_When_Visibility_Set_To_Visible()
{
var target = new ScrollBar();
target.Visibility = ScrollBarVisibility.Visible;
target.Minimum = 0;
target.Maximum = 100;
target.ViewportSize = 100;
Assert.True(target.IsVisible);
}
private static Control Template(ScrollBar control)
{
return new Border
{
Child = new Track
{
Name = "track",
[!Track.MinimumProperty] = control[!RangeBase.MinimumProperty],
[!Track.MaximumProperty] = control[!RangeBase.MaximumProperty],
[!!Track.ValueProperty] = control[!!RangeBase.ValueProperty],
[!Track.ViewportSizeProperty] = control[!ScrollBar.ViewportSizeProperty],
[!Track.OrientationProperty] = control[!ScrollBar.OrientationProperty],
Thumb = new Thumb
{
Template = new FuncControlTemplate<Thumb>(ThumbTemplate),
},
},
};
}
public void ScrollBar_Should_Hide_When_Visibility_Set_To_Hidden()
{
var target = new ScrollBar();
target.Visibility = ScrollBarVisibility.Hidden;
target.Minimum = 0;
target.Maximum = 100;
target.ViewportSize = 10;
Assert.False(target.IsVisible);
}