public void WidthTest()
{
// Create a basic 1000x1000 square.
Point size = new Point(1000, 1000);
// Adjust the width.
Assert.IsTrue(AspectRatioHelpers.AdjustWidth(ref size, ratio, 2f), "Width was not adjusted.");
// Ensure the width is correct.
Assert.AreEqual(1778, size.X, "Adjusted width was incorrect.");
}
public void DeviationTest()
{
// Ensure that it cannot be adjusted with a ratio of 0.5, as no changes can be made.
Point size = new Point(1000, 2000);
Assert.IsFalse(AspectRatioHelpers.AdjustHeight(ref size, 0.5f, 3f), "Height was adjusted when it did not need to be.");
size = new Point(1000, 2000);
Assert.IsFalse(AspectRatioHelpers.AdjustWidth(ref size, 0.5f, 3f), "Width was adjusted when it did not need to be.");
// Ensure it cannot be adjusted again, but with the deviation taken into account.
size = new Point(1000, 2003);
Assert.IsFalse(AspectRatioHelpers.AdjustHeight(ref size, 0.5f, 3f), "Height was adjusted when it did not need to be.");
size = new Point(1003, 2000);
Assert.IsFalse(AspectRatioHelpers.AdjustWidth(ref size, 0.5f, 3f), "Width was adjusted when it did not need to be.");
// Ensure it adjusts when it's just out of the deviation zone.
size = new Point(1000, 2003);
Assert.IsTrue(AspectRatioHelpers.AdjustHeight(ref size, 0.5f, 2f), "Height was not adjusted when it needed to be.");
size = new Point(1003, 2000);
Assert.IsTrue(AspectRatioHelpers.AdjustWidth(ref size, 0.5f, 2f), "Width was not adjusted when it needed to be.");
}