public void TestVisibility()
{
View child1, child2;
var stack = new StackLayout
{
IsPlatformEnabled = true,
Children =
{
(child1 = new View {
IsPlatformEnabled = true
}),
(child2 = new View {
IsPlatformEnabled = true
})
}
};
stack.Layout(new Rectangle(0, 0, 100, 100));
var size = stack.GetSizeRequest(double.PositiveInfinity, double.PositiveInfinity).Request;
Assert.AreEqual(new Rectangle(0, 0, 100, 20), child1.Bounds);
Assert.AreEqual(new Rectangle(0, 26, 100, 20), child2.Bounds);
Assert.AreEqual(new Size(100, 46), size);
child1.IsVisible = false;
Assert.False(child1.IsVisible);
Assert.AreEqual(new Rectangle(0, 0, 100, 20), child2.Bounds);
size = stack.GetSizeRequest(double.PositiveInfinity, double.PositiveInfinity).Request;
Assert.AreEqual(new Size(100, 20), size);
}
public void ReinflatesViewsCorrectly()
{
var child1 = new BoxView
{
IsPlatformEnabled = true,
VerticalOptions = LayoutOptions.FillAndExpand,
HeightRequest = 400,
MinimumHeightRequest = 10
};
var child2 = new BoxView
{
IsPlatformEnabled = true,
HeightRequest = 40,
MinimumHeightRequest = 40
};
var stack = new StackLayout
{
Spacing = 0,
IsPlatformEnabled = true,
Children = { child1, child2 }
};
stack.Layout(new Rectangle(0, 0, 100, 100));
Assert.AreEqual(new Rectangle(0, 0, 100, 60), child1.Bounds);
Assert.AreEqual(new Rectangle(0, 60, 100, 40), child2.Bounds);
stack.GetSizeRequest(100, 100);
stack.Layout(new Rectangle(0, 0, 100, 500));
Assert.AreEqual(new Rectangle(0, 0, 100, 460), child1.Bounds);
Assert.AreEqual(new Rectangle(0, 460, 100, 40), child2.Bounds);
}
public void GetMinimumSizeHorizontal()
{
var stack = new StackLayout
{
IsPlatformEnabled = true,
Spacing = 10,
Orientation = StackOrientation.Horizontal,
Children =
{
new View {
WidthRequest = 100, HeightRequest = 100, IsPlatformEnabled = true
},
new View {
WidthRequest = 100, HeightRequest = 100, IsPlatformEnabled = true
},
new View {
WidthRequest = 100, HeightRequest = 100, MinimumWidthRequest = 10, IsPlatformEnabled = true
}
}
};
var result = stack.GetSizeRequest(double.PositiveInfinity, double.PositiveInfinity);
Assert.That(result.Minimum, Is.EqualTo(new Size(230, 100)));
}
public void OffOrientationMinimumSize()
{
var stack = new StackLayout {
IsPlatformEnabled = true,
Spacing = 0
};
stack.Children.Add(new View {
IsPlatformEnabled = true,
WidthRequest = 100,
HeightRequest = 100,
MinimumWidthRequest = 10,
MinimumHeightRequest = 10
});
var result = stack.GetSizeRequest(double.PositiveInfinity, double.PositiveInfinity);
Assert.AreEqual(new Size(10, 10), result.Minimum);
}
public void TestSizeRequestVertical()
{
var stack = new StackLayout {
IsPlatformEnabled = true,
Children =
{
new View {
WidthRequest = 20, HeightRequest = 20, IsPlatformEnabled = true
},
new View {
WidthRequest = 30, HeightRequest = 30, IsPlatformEnabled = true
}
}
};
var size = stack.GetSizeRequest(double.PositiveInfinity, double.PositiveInfinity).Request;
Assert.AreEqual(new Size(30, 56), size);
}
public void TestLastChildNotVisible()
{
View child1, child2;
var stack = new StackLayout {
IsPlatformEnabled = true,
Children =
{
(child1 = new View {
WidthRequest = 20, HeightRequest = 20, IsPlatformEnabled = true
}),
(child2 = new View {
WidthRequest = 30, HeightRequest = 30, IsPlatformEnabled = true, IsVisible = false
})
}
};
var r = stack.GetSizeRequest(100, 100);
Assert.AreEqual(new SizeRequest(new Size(20, 20)), r);
}
public void TestSizeRequestHorizontal()
{
var stack = new StackLayout {
Orientation = StackOrientation.Horizontal,
IsPlatformEnabled = true,
Children =
{
new View {
WidthRequest = 20, HeightRequest = 20, IsPlatformEnabled = true
},
new View {
WidthRequest = 30, HeightRequest = 30, IsPlatformEnabled = true
}
}
};
var size = stack.GetSizeRequest(double.PositiveInfinity, double.PositiveInfinity).Request;
Assert.AreEqual(new Size(56, 30), size);
}
public void GetMinimumSizeVertical()
{
var stack = new StackLayout {
Platform = new UnitPlatform(),
IsPlatformEnabled = true,
Spacing = 10,
Children =
{
new View {
WidthRequest = 100, HeightRequest = 100, IsPlatformEnabled = true
},
new View {
WidthRequest = 100, HeightRequest = 100, IsPlatformEnabled = true
},
new View {
WidthRequest = 100, HeightRequest = 100, MinimumHeightRequest = 10, IsPlatformEnabled = true
}
}
};
var result = stack.GetSizeRequest(double.PositiveInfinity, double.PositiveInfinity);
Assert.That(result.Minimum, Is.EqualTo(new Size(100, 230)));
}