public void UpadateProcess_Demo(float initDeltaPosOnAxis, float deceleration, int dimension, Vector2 elementInitLocalPos)
{
IInertialScrollProcessConstArg arg = CreateMockConstArg();
arg.processManager.GetInertialScrollDeceleration().Returns(deceleration);
arg.initialVelocity.Returns(initDeltaPosOnAxis);
arg.dimension.Returns(dimension);
IUIElement scrollerElement = Substitute.For <IUIElement>();
scrollerElement.GetLocalPosition().Returns(elementInitLocalPos);
arg.scrollerElement.Returns(scrollerElement);
TestInertialScrollProcess process = new TestInertialScrollProcess(arg);
bool done = false;
DebugHelper.PrintInRed("initVel: " + initDeltaPosOnAxis.ToString() + ", deceleration: " + deceleration.ToString());
float deltaT = .1f;
Vector2 localPos = elementInitLocalPos;
scrollerElement.SetLocalPosition(Arg.Do <Vector2>(x => localPos = x));
while (!done)
{
process.UpdateProcess(deltaT);
Debug.Log("elementLocalPos: " + localPos.ToString() + ", velocity: " + process.thisPrevVelocity_Test.ToString());
if (process.thisElapsedTime_Test >= process.thisExpireTime_Test)
{
done = true;
}
}
}
public void Construction_MultiplierNotLessThanZero_SetsExpireTime(float initialVelocity, float deceleration, float decelerationAxisComponentMultiplier, float expected)
{
IInertialScrollProcessConstArg arg = CreateMockConstArg();
arg.deceleration.Returns(deceleration);
arg.initialVelocity.Returns(initialVelocity);
arg.decelerationAxisComponentMultiplier.Returns(decelerationAxisComponentMultiplier);
TestInertialScrollProcess process = new TestInertialScrollProcess(arg);
float actual = process.thisExpireTime_Test;
Assert.That(actual, Is.EqualTo(expected));
}
