public void When_cubic_interpolation_is_done_Then_correct_value_is_returned()
{
Assert.That(Ease.Do(0f, 100f, 0f, InterpolationKind.Cubic), Is.EqualTo(0f));
Assert.That(Ease.Do(0f, 100f, 0.25f, InterpolationKind.Cubic), Is.EqualTo(1.5625f));
Assert.That(Ease.Do(0f, 100f, 0.5f, InterpolationKind.Cubic), Is.EqualTo(12.5f));
Assert.That(Ease.Do(0f, 100f, 0.75f, InterpolationKind.Cubic), Is.EqualTo(42.1875f));
Assert.That(Ease.Do(0f, 100f, 1f, InterpolationKind.Cubic), Is.EqualTo(100f));
Assert.That(Ease.Do(0, 100, 0, InterpolationKind.Cubic), Is.EqualTo(0));
Assert.That(Ease.Do(0, 100, 0.25d, InterpolationKind.Cubic), Is.EqualTo(1.5625));
Assert.That(Ease.Do(0, 100, 0.5d, InterpolationKind.Cubic), Is.EqualTo(12.5));
Assert.That(Ease.Do(0, 100, 0.75d, InterpolationKind.Cubic), Is.EqualTo(42.1875));
Assert.That(Ease.Do(0, 100, 1d, InterpolationKind.Cubic), Is.EqualTo(100));
}
public void When_sin_interpolation_is_done_Then_correct_value_is_returned()
{
Assert.That(Ease.Do(0f, 100f, 0f, InterpolationKind.Sin), Is.EqualTo(0f));
Assert.That(Ease.Do(0f, 100f, 0.25f, InterpolationKind.Sin), Is.InRange(38f, 39f));
Assert.That(Ease.Do(0f, 100f, 0.5f, InterpolationKind.Sin), Is.InRange(70f, 71f));
Assert.That(Ease.Do(0f, 100f, 0.75f, InterpolationKind.Sin), Is.InRange(92f, 93f));
Assert.That(Ease.Do(0f, 100f, 1f, InterpolationKind.Sin), Is.EqualTo(100f));
Assert.That(Ease.Do(0, 100, 0, InterpolationKind.Sin), Is.EqualTo(0));
Assert.That(Ease.Do(0, 100, 0.25d, InterpolationKind.Sin), Is.InRange(38, 39));
Assert.That(Ease.Do(0, 100, 0.5d, InterpolationKind.Sin), Is.InRange(70, 71));
Assert.That(Ease.Do(0, 100, 0.75d, InterpolationKind.Sin), Is.InRange(92, 93));
Assert.That(Ease.Do(0, 100, 1d, InterpolationKind.Sin), Is.InRange(99.9d, 100d));
}
public void When_quadratic_interpolation_is_done_Then_correct_value_is_returned()
{
Assert.That(Ease.Do(0f, 100f, 0f, InterpolationKind.Quadratic), Is.EqualTo(0f));
Assert.That(Ease.Do(0f, 100f, 0.25f, InterpolationKind.Quadratic), Is.EqualTo(6.25f));
Assert.That(Ease.Do(0f, 100f, 0.5f, InterpolationKind.Quadratic), Is.EqualTo(25f));
Assert.That(Ease.Do(0f, 100f, 0.75f, InterpolationKind.Quadratic), Is.EqualTo(56.25f));
Assert.That(Ease.Do(0f, 100f, 1f, InterpolationKind.Quadratic), Is.EqualTo(100f));
Assert.That(Ease.Do(0, 100, 0, InterpolationKind.Quadratic), Is.EqualTo(0));
Assert.That(Ease.Do(0, 100, 0.25d, InterpolationKind.Quadratic), Is.EqualTo(6.25));
Assert.That(Ease.Do(0, 100, 0.5d, InterpolationKind.Quadratic), Is.EqualTo(25));
Assert.That(Ease.Do(0, 100, 0.75d, InterpolationKind.Quadratic), Is.EqualTo(56.25));
Assert.That(Ease.Do(0, 100, 1d, InterpolationKind.Quadratic), Is.EqualTo(100));
}
public void When_linear_interpolation_is_done_Then_correct_value_is_returned()
{
Assert.That(Ease.Do(0f, 100f, 0f), Is.EqualTo(0f));
Assert.That(Ease.Do(0f, 100f, 0.25f), Is.EqualTo(25f));
Assert.That(Ease.Do(0f, 100f, 0.5f), Is.EqualTo(50f));
Assert.That(Ease.Do(0f, 100f, 0.75f), Is.EqualTo(75f));
Assert.That(Ease.Do(0f, 100f, 1f), Is.EqualTo(100f));
Assert.That(Ease.Do(0, 100, 0), Is.EqualTo(0));
Assert.That(Ease.Do(0, 100, 0.25d), Is.EqualTo(25));
Assert.That(Ease.Do(0, 100, 0.5d), Is.EqualTo(50));
Assert.That(Ease.Do(0, 100, 0.75d), Is.EqualTo(75));
Assert.That(Ease.Do(0, 100, 1d), Is.EqualTo(100));
}
public void When_Smoothest_interpolation_is_done_Then_correct_value_is_returned()
{
Assert.That(Ease.Do(0f, 100f, 0f, InterpolationKind.Smoothest), Is.EqualTo(0f));
Assert.That(Ease.Do(0f, 100f, 0.25f, InterpolationKind.Smoothest), Is.InRange(10f, 11f));
Assert.That(Ease.Do(0f, 100f, 0.5f, InterpolationKind.Smoothest), Is.InRange(49.9f, 50.1f));
Assert.That(Ease.Do(0f, 100f, 0.75f, InterpolationKind.Smoothest), Is.InRange(89f, 90f));
Assert.That(Ease.Do(0f, 100f, 1f, InterpolationKind.Smoothest), Is.EqualTo(100f));
Assert.That(Ease.Do(0, 100, 0, InterpolationKind.Smoothest), Is.EqualTo(0));
Assert.That(Ease.Do(0, 100, 0.25d, InterpolationKind.Smoothest), Is.InRange(10, 11));
Assert.That(Ease.Do(0, 100, 0.5d, InterpolationKind.Smoothest), Is.InRange(49.9d, 50.1d));
Assert.That(Ease.Do(0, 100, 0.75d, InterpolationKind.Smoothest), Is.InRange(89, 90));
Assert.That(Ease.Do(0, 100, 1d, InterpolationKind.Smoothest), Is.InRange(99.9d, 100d));
}
public void When_cos_interpolation_is_done_Then_correct_value_is_returned()
{
Assert.That(Ease.Do(0f, 100f, 0f, InterpolationKind.Cos), Is.EqualTo(0f));
Assert.That(Ease.Do(0f, 100f, 0.25f, InterpolationKind.Cos), Is.InRange(7f, 8f));
Assert.That(Ease.Do(0f, 100f, 0.5f, InterpolationKind.Cos), Is.InRange(29f, 30f));
Assert.That(Ease.Do(0f, 100f, 0.75f, InterpolationKind.Cos), Is.InRange(61f, 62f));
Assert.That(Ease.Do(0f, 100f, 1f, InterpolationKind.Cos), Is.EqualTo(100f));
Assert.That(Ease.Do(0, 100, 0, InterpolationKind.Cos), Is.EqualTo(0));
Assert.That(Ease.Do(0, 100, 0.25d, InterpolationKind.Cos), Is.InRange(7, 8));
Assert.That(Ease.Do(0, 100, 0.5d, InterpolationKind.Cos), Is.InRange(29, 30));
Assert.That(Ease.Do(0, 100, 0.75d, InterpolationKind.Cos), Is.InRange(61, 62));
Assert.That(Ease.Do(0, 100, 1d, InterpolationKind.Cos), Is.InRange(99.9d, 100d));
}
public void When_unknown_interpolation_is_used_Then_exception_is_thrown()
{
Assert.Throws <ArgumentException>(() => Ease.Do(0, 100, 0.5, (InterpolationKind)int.MaxValue));
}
