public void RelativePositionRelativeSize([Values(0.0, 0.2, 0.5, 1.0)] double relX, [Values(0.0, 0.2, 0.5, 1.0)] double relY, [Values(0.0, 0.2, 0.5, 1.0)] double relHeight, [Values(0.0, 0.2, 0.5, 1.0)] double relWidth)
{
var abs = new Compatibility.AbsoluteLayout
{
IsPlatformEnabled = true
};
var child = new View
{
IsPlatformEnabled = true
};
abs.Children.Add(child, new Rectangle(relX, relY, relWidth, relHeight), AbsoluteLayoutFlags.All);
abs.Layout(new Rectangle(0, 0, 100, 100));
double expectedWidth = Math.Round(100 * relWidth);
double expectedHeight = Math.Round(100 * relHeight);
double expectedX = Math.Round((100 - expectedWidth) * relX);
double expectedY = Math.Round((100 - expectedHeight) * relY);
Assert.That(child.X, Is.EqualTo(expectedX).Within(0.0001));
Assert.That(child.Y, Is.EqualTo(expectedY).Within(0.0001));
Assert.That(child.Width, Is.EqualTo(expectedWidth).Within(0.0001));
Assert.That(child.Height, Is.EqualTo(expectedHeight).Within(0.0001));
}
public void AbsolutePositionAndSizeUsingRectangle()
{
var abs = new Compatibility.AbsoluteLayout
{
IsPlatformEnabled = true
};
var child = new View {
IsPlatformEnabled = true
};
abs.Children.Add(child, new Rectangle(10, 20, 30, 40));
abs.Layout(new Rectangle(0, 0, 100, 100));
Assert.AreEqual(new Rectangle(10, 20, 30, 40), child.Bounds);
}
public void SizeRequestWithRelativePositionChild()
{
var abs = new Compatibility.AbsoluteLayout
{
IsPlatformEnabled = true
};
var child = new View();
// ChildSizeReq == 100x20
abs.Children.Add(child, new Rectangle(0.5, 0.5, 30, 40), AbsoluteLayoutFlags.PositionProportional);
var sizeReq = abs.Measure(double.PositiveInfinity, double.PositiveInfinity);
Assert.AreEqual(new Size(30, 40), sizeReq.Request);
Assert.AreEqual(new Size(30, 40), sizeReq.Minimum);
}
public void SizeRequestWithNormalChild()
{
var abs = new Compatibility.AbsoluteLayout
{
IsPlatformEnabled = true
};
var child = new View();
// ChildSizeReq == 100x20
abs.Children.Add(child, new Rectangle(10, 20, 30, 40));
var sizeReq = abs.Measure(double.PositiveInfinity, double.PositiveInfinity);
Assert.AreEqual(new Size(40, 60), sizeReq.Request);
Assert.AreEqual(new Size(40, 60), sizeReq.Minimum);
}
public void AbsolutePositionRelativeSize()
{
var abs = new Compatibility.AbsoluteLayout
{
IsPlatformEnabled = true
};
var child = new View {
IsPlatformEnabled = true
};
abs.Children.Add(child, new Rectangle(10, 20, 0.4, 0.5), AbsoluteLayoutFlags.SizeProportional);
abs.Layout(new Rectangle(0, 0, 100, 100));
Assert.That(child.X, Is.EqualTo(10));
Assert.That(child.Y, Is.EqualTo(20));
Assert.That(child.Width, Is.EqualTo(40).Within(0.0001));
Assert.That(child.Height, Is.EqualTo(50).Within(0.0001));
}
public void MeasureInvalidatedFiresWhenBoundsChanged()
{
var abs = new Compatibility.AbsoluteLayout
{
IsPlatformEnabled = true
};
var child = new View
{
IsPlatformEnabled = true
};
abs.Children.Add(child, new Rectangle(1, 1, 100, 100));
bool fired = false;
abs.MeasureInvalidated += (sender, args) => fired = true;
AbsoluteLayout.SetLayoutBounds(child, new Rectangle(2, 2, 200, 200));
Assert.True(fired);
}
public void MeasureInvalidatedFiresWhenFlagsChanged()
{
var abs = new Compatibility.AbsoluteLayout
{
IsPlatformEnabled = true
};
var child = new View
{
IsPlatformEnabled = true
};
abs.Children.Add(child, new Rect(1, 1, 100, 100));
bool fired = false;
abs.MeasureInvalidated += (sender, args) => fired = true;
AbsoluteLayout.SetLayoutFlags(child, AbsoluteLayoutFlags.PositionProportional);
Assert.True(fired);
}
public void RelativePositionAbsoluteSize(double width, double height, double relX, double relY)
{
var abs = new Compatibility.AbsoluteLayout
{
IsPlatformEnabled = true
};
var child = new View {
IsPlatformEnabled = true
};
abs.Children.Add(child, new Rectangle(relX, relY, width, height), AbsoluteLayoutFlags.PositionProportional);
abs.Layout(new Rectangle(0, 0, 100, 100));
double expectedX = Math.Round((100 - width) * relX);
double expectedY = Math.Round((100 - height) * relY);
Assert.That(child.X, Is.EqualTo(expectedX).Within(0.0001));
Assert.That(child.Y, Is.EqualTo(expectedY).Within(0.0001));
Assert.That(child.Width, Is.EqualTo(width));
Assert.That(child.Height, Is.EqualTo(height));
}
