public void Creation()
{
var list = new List <int>(new int[] { 50, 51, 52, 53, 54, 55, 56, 57, 58, 59 });
var picker = new ListElementPicker <int>(list);
Assert.AreEqual(0, picker.CurrentIndex);
Assert.AreEqual(0, picker.CurrentIndexOfUnpicked);
Assert.AreEqual(50, picker.Current);
Assert.IsTrue(picker.IsCurrentUnpicked());
}
public void PickAllOneByOne()
{
var list = new List <int>(new int[] { 50, 51, 52, 53, 54 });
var picker = new ListElementPicker <int>(list);
Assert.AreEqual(50, picker.Current);
Assert.AreEqual(50, picker.Pick());
Assert.AreEqual(51, picker.Current);
Assert.AreEqual(1, picker.CurrentIndex);
Assert.AreEqual(0, picker.CurrentIndexOfUnpicked);
Assert.IsTrue(picker.IsCurrentUnpicked());
Assert.AreEqual(51, picker.Pick());
Assert.AreEqual(52, picker.Current);
Assert.AreEqual(2, picker.CurrentIndex);
Assert.AreEqual(0, picker.CurrentIndexOfUnpicked);
Assert.IsTrue(picker.IsCurrentUnpicked());
Assert.AreEqual(52, picker.Pick());
Assert.AreEqual(53, picker.Current);
Assert.AreEqual(3, picker.CurrentIndex);
Assert.AreEqual(0, picker.CurrentIndexOfUnpicked);
Assert.IsTrue(picker.IsCurrentUnpicked());
Assert.AreEqual(53, picker.Pick());
Assert.AreEqual(54, picker.Current);
Assert.AreEqual(4, picker.CurrentIndex);
Assert.AreEqual(0, picker.CurrentIndexOfUnpicked);
Assert.IsTrue(picker.IsCurrentUnpicked());
Assert.AreEqual(54, picker.Pick());
Assert.AreEqual(-1, picker.CurrentIndex);
Assert.AreEqual(-1, picker.CurrentIndexOfUnpicked);
Assert.IsFalse(picker.IsCurrentUnpicked());
}
public void PickAndSkip()
{
var list = new List <int>(new int[] { 50, 51, 52, 53, 54 });
var picker = new ListElementPicker <int>(list);
Assert.AreEqual(50, picker.Current);
Assert.IsTrue(picker.SkipToNextUnpicked()); // Don't pick, just skip to next.
Assert.AreEqual(51, picker.Current);
Assert.AreEqual(1, picker.CurrentIndex);
Assert.AreEqual(1, picker.CurrentIndexOfUnpicked);
Assert.IsTrue(picker.IsCurrentUnpicked());
Assert.AreEqual(51, picker.Pick());
Assert.AreEqual(52, picker.Current);
Assert.AreEqual(2, picker.CurrentIndex);
Assert.AreEqual(1, picker.CurrentIndexOfUnpicked);
Assert.IsTrue(picker.IsCurrentUnpicked());
Assert.IsTrue(picker.SkipToNextUnpicked()); // Don't pick, just skip to next.
Assert.AreEqual(53, picker.Current);
Assert.AreEqual(3, picker.CurrentIndex);
Assert.AreEqual(2, picker.CurrentIndexOfUnpicked);
Assert.IsTrue(picker.IsCurrentUnpicked());
Assert.AreEqual(53, picker.Pick());
Assert.AreEqual(54, picker.Current);
Assert.AreEqual(4, picker.CurrentIndex);
Assert.AreEqual(2, picker.CurrentIndexOfUnpicked);
Assert.IsTrue(picker.IsCurrentUnpicked());
Assert.IsTrue(picker.SelectFirstUnpicked());
Assert.AreEqual(50, picker.Current);
Assert.AreEqual(0, picker.CurrentIndex);
Assert.AreEqual(0, picker.CurrentIndexOfUnpicked);
Assert.IsTrue(picker.IsCurrentUnpicked());
Assert.AreEqual(50, picker.Pick());
Assert.AreEqual(52, picker.Current);
Assert.AreEqual(2, picker.CurrentIndex);
Assert.AreEqual(0, picker.CurrentIndexOfUnpicked);
Assert.IsTrue(picker.IsCurrentUnpicked());
Assert.AreEqual(52, picker.Pick());
Assert.AreEqual(54, picker.Current);
Assert.AreEqual(4, picker.CurrentIndex);
Assert.AreEqual(0, picker.CurrentIndexOfUnpicked);
Assert.IsTrue(picker.IsCurrentUnpicked());
Assert.IsTrue(picker.SelectFirstUnpicked());
Assert.AreEqual(54, picker.Current);
Assert.AreEqual(4, picker.CurrentIndex);
Assert.AreEqual(0, picker.CurrentIndexOfUnpicked);
Assert.IsTrue(picker.IsCurrentUnpicked());
Assert.AreEqual(54, picker.Pick()); // Pick last one
Assert.AreEqual(-1, picker.CurrentIndex);
Assert.AreEqual(-1, picker.CurrentIndexOfUnpicked);
Assert.IsFalse(picker.IsCurrentUnpicked());
// All picked now.
Assert.IsFalse(picker.SelectFirstUnpicked());
Assert.AreEqual(-1, picker.CurrentIndex);
Assert.AreEqual(-1, picker.CurrentIndexOfUnpicked);
Assert.IsFalse(picker.IsCurrentUnpicked());
}