public void LastIndexOfTest()
{
var arr = UnsafeList.Allocate <int>(10);
for (int i = 1; i <= 10; i++)
{
UnsafeList.Add(arr, i);
}
Assert.AreEqual(4, UnsafeList.LastIndexOf(arr, 5));
Assert.AreEqual(-1, UnsafeList.LastIndexOf(arr, 645));
Assert.AreEqual(9, UnsafeList.LastIndexOf(arr, 10));
}