public void TestComputeAvailableSize()
{
var child = new Button();
child.SetCanvasPinOrigin(new Vector3(0, 0.5f, 1));
// tests in the cases position is absolute
var availableSize = new Vector3(100, 150, 200);
child.SetCanvasAbsolutePosition(new Vector3(-1, -2, -3));
Utilities.AreExactlyEqual(new Vector3(0), ComputeAvailableSize(child, availableSize, false));
child.SetCanvasAbsolutePosition(new Vector3(0, 0, 0));
Utilities.AreExactlyEqual(new Vector3(100, 0, 0), ComputeAvailableSize(child, availableSize, false));
child.SetCanvasAbsolutePosition(new Vector3(1, 2, 3));
Utilities.AreExactlyEqual(new Vector3(99, 4, 3), ComputeAvailableSize(child, availableSize, false));
child.SetCanvasAbsolutePosition(availableSize);
Utilities.AreExactlyEqual(new Vector3(0, 0, 200), ComputeAvailableSize(child, availableSize, false));
child.SetCanvasAbsolutePosition(availableSize + new Vector3(1, 2, 3));
Utilities.AreExactlyEqual(new Vector3(0), ComputeAvailableSize(child, availableSize, false));
// tests in the cases position is relative
child.SetCanvasRelativePosition(new Vector3(-1, -2, -3));
Utilities.AreExactlyEqual(new Vector3(0), ComputeAvailableSize(child, availableSize, false));
child.SetCanvasRelativePosition(new Vector3(0, 0, 0));
Utilities.AreExactlyEqual(new Vector3(100, 0, 0), ComputeAvailableSize(child, availableSize, false));
child.SetCanvasRelativePosition(new Vector3(0.1f, 0.2f, 0.4f));
Utilities.AreExactlyEqual(new Vector3(90, 60, 80), ComputeAvailableSize(child, availableSize, false));
child.SetCanvasRelativePosition(new Vector3(1f));
Utilities.AreExactlyEqual(new Vector3(0, 0, 200), ComputeAvailableSize(child, availableSize, false));
child.SetCanvasRelativePosition(new Vector3(1.1f, 2f, 3f));
Utilities.AreExactlyEqual(new Vector3(0), ComputeAvailableSize(child, availableSize, false));
// tests in the case available size are infinite
availableSize = new Vector3(float.PositiveInfinity);
child.SetCanvasAbsolutePosition(new Vector3(-1, -2, -3));
Utilities.AreExactlyEqual(new Vector3(0), ComputeAvailableSize(child, availableSize, false));
child.SetCanvasAbsolutePosition(new Vector3(1, 2, 3));
Utilities.AreExactlyEqual(new Vector3(float.PositiveInfinity, 4, 3), ComputeAvailableSize(child, availableSize, false));
child.SetCanvasRelativePosition(new Vector3(-1f, -2f, -3f));
Utilities.AreExactlyEqual(new Vector3(0), ComputeAvailableSize(child, availableSize, false));
child.SetCanvasRelativePosition(new Vector3(1f, 2f, 3f));
Utilities.AreExactlyEqual(new Vector3(float.PositiveInfinity), ComputeAvailableSize(child, availableSize, false));
child.SetCanvasRelativeSize(new Vector3(0, 0.5f, 1.5f));
Utilities.AreExactlyEqual(new Vector3(0, float.PositiveInfinity, float.PositiveInfinity), ComputeAvailableSize(child, availableSize, false));
}
public void TestComputeAbsolutePinPosition()
{
var child = new Button();
// directly set the values
var parentSize = new Vector3(2);
child.SetCanvasRelativePosition(new Vector3(float.NaN));
child.SetCanvasAbsolutePosition(new Vector3(-1.5f, 0, 1.5f));
Assert.AreEqual(child.GetCanvasAbsolutePosition(), ComputeAbsolutePinPosition(child, ref parentSize));
child.SetCanvasAbsolutePosition(new Vector3(float.NaN));
child.SetCanvasRelativePosition(new Vector3(-1.5f, 0, 1.5f));
Assert.AreEqual(2*child.GetCanvasRelativePosition(), ComputeAbsolutePinPosition(child, ref parentSize));
// indirectly set the value
child.SetCanvasAbsolutePosition(new Vector3(-1.5f, 0, 1.5f));
child.SetCanvasRelativePosition(new Vector3(float.NaN));
Assert.AreEqual(child.GetCanvasAbsolutePosition(), ComputeAbsolutePinPosition(child, ref parentSize));
child.SetCanvasRelativePosition(new Vector3(-1.5f, 0, 1.5f));
child.SetCanvasAbsolutePosition(new Vector3(float.NaN));
Assert.AreEqual(2*child.GetCanvasRelativePosition(), ComputeAbsolutePinPosition(child, ref parentSize));
// indirect/direct mix
child.SetCanvasAbsolutePosition(new Vector3(-1.5f, float.NaN, 1.5f));
child.SetCanvasRelativePosition(new Vector3(float.NaN, 1, float.NaN));
Assert.AreEqual(new Vector3(-1.5f, 2, 1.5f), ComputeAbsolutePinPosition(child, ref parentSize));
child.SetCanvasRelativePosition(new Vector3(-1.5f, float.NaN, 1.5f));
child.SetCanvasAbsolutePosition(new Vector3(float.NaN, 1, float.NaN));
Assert.AreEqual(new Vector3(-3f, 1, 3f), ComputeAbsolutePinPosition(child, ref parentSize));
// infinite values
parentSize = new Vector3(float.PositiveInfinity);
child.SetCanvasRelativePosition(new Vector3(-1.5f, 0, 1.5f));
Utilities.AreExactlyEqual(new Vector3(float.NegativeInfinity, 0f, float.PositiveInfinity), ComputeAbsolutePinPosition(child, ref parentSize));
}
