public void ActivatingAGroup()
{
var a = Constrain(view1, (view) =>
{
view.Width.Equal(100);
view.Height.Equal(100);
});
var b = Constrain(view1, (view) =>
{
view.Width.Equal(200);
view.Height.Equal(200);
});
a.Active = false;
b.Active = false;
// Should update the view
a.Active = true;
view1.LayoutIfNeeded();
Assert.AreEqual(100, view1.Frame.Height);
Assert.AreEqual(100, view1.Frame.Width);
a.Active = false;
b.Active = true;
window.LayoutIfNeeded();
Assert.AreEqual(200, view1.Frame.Height);
Assert.AreEqual(200, view1.Frame.Width);
}
public void LayoutProxySizeShouldSupportRelativeEqualities()
{
Constrain(view, view =>
{
view.Size.Equal(view.Superview.Size);
});
window.LayoutIfNeeded();
Assert.That(view.Frame.Size, Is.EqualTo(new CGSize(400, 400)));
}
public void LayoutProxyCenterRelativeEq()
{
Constrain(view, view =>
{
view.Center.Equal(view.Superview.Center);
});
window.LayoutIfNeeded();
Assert.That(view.Frame, Is.EqualTo(new CGRect(100, 100, 200, 200)), "LayoutProxy.Center should support relative equalities");
}
public void LayoutProxyEdgesEqualities()
{
Constrain(view, v =>
{
v.Edges.Equal(v.Superview.Edges);
});
window.LayoutIfNeeded();
Assert.That(view.Frame, Is.EqualTo(view.Superview.Frame), "should support relative equalities");
}
public void LayoutProxyTop()
{
// Should support relative equalities
Constrain(view, (v) =>
{
v.Top.Equal(v.Superview.Top);
});
window.LayoutIfNeeded();
Assert.That(view.Frame.GetMinY(), Is.EqualTo(0), "Should support relative equalities");
// Clear vars for next assertion
SetUp();
// Should support relative equalities
Constrain(view, (v) =>
{
v.Top.LessThanOrEqualTo(v.Superview.Top);
v.Top.GreaterThanOrEqualTo(v.Superview.Top);
});
window.LayoutIfNeeded();
Assert.That(view.Frame.GetMinY(), Is.EqualTo(0), "Should support relative inequalities");
// Clear vars for next assertion
SetUp();
// Should support relative equalities
Constrain(view, (v) =>
{
v.Top.Equal(v.Superview.Top + 100);
});
window.LayoutIfNeeded();
Assert.That(view.Frame.GetMinY(), Is.EqualTo(100), "Should support addition");
// Clear vars for next assertion
SetUp();
// Should support relative equalities
Constrain(view, (v) =>
{
v.Top.Equal(v.Superview.Top - 100);
});
window.LayoutIfNeeded();
Assert.That(view.Frame.GetMinY(), Is.EqualTo(-100), "Should support substraction");
}
public void LayoutProxyWidth()
{
// Should support relative equalities
Constrain(view, (x) =>
{
x.Width.Equal(x.Superview.Width);
});
window.LayoutIfNeeded();
Assert.That(view.Frame.Width, Is.EqualTo(400), "Should support relative equalities.");
// Reset test variables
SetUp();
// Should support relative inequalities
Constrain(view, (x) =>
{
x.Width.LessThanOrEqualTo(x.Superview.Width);
x.Width.GreaterThanOrEqualTo(x.Superview.Width);
});
window.LayoutIfNeeded();
Assert.That(view.Frame.Width, Is.EqualTo(400), "Should support relative inequalities.");
// Reset test variables
SetUp();
// Should support addition
Constrain(view, (x) =>
{
x.Width.Equal(x.Superview.Width + 100);
});
window.LayoutIfNeeded();
Assert.That(view.Frame.Width, Is.EqualTo(500), "Should support addition.");
// Reset test variables
SetUp();
// Should support substraction
Constrain(view, (x) =>
{
x.Width.Equal(x.Superview.Width - 100);
});
window.LayoutIfNeeded();
Assert.That(view.Frame.Width, Is.EqualTo(300), "Should support substraction.");
// Reset test variables
SetUp();
// Should support multiplication
Constrain(view, (x) =>
{
x.Width.Equal(x.Superview.Width * 2);
});
window.LayoutIfNeeded();
Assert.That(view.Frame.Width, Is.EqualTo(800), "Should support multiplication.");
// Reset test variables
SetUp();
// Should support division
Constrain(view, (x) =>
{
x.Width.Equal(x.Superview.Width / 2);
});
window.LayoutIfNeeded();
Assert.That(view.Frame.Width, Is.EqualTo(200), "Should support division.");
// Reset test variables
SetUp();
// Should support complex expressions
Constrain(view, (x) =>
{
x.Width.Equal(x.Superview.Width / 2 + 100);
});
window.LayoutIfNeeded();
Assert.That(view.Frame.Width, Is.EqualTo(300), "Should support complex expressions.");
// Reset test variables
SetUp();
// Should support numerical equalities
Constrain(view, (x) =>
{
x.Width.Equal(200);
});
window.LayoutIfNeeded();
Assert.That(view.Frame.Width, Is.EqualTo(200), "Should support numerical equalities.");
}