public void Add_Empty_EnumerableHasValue()
{
var arr = new SpaceOptimalDynamicArray <int>();
arr.Add(42);
Assert.That(arr.ToList(), Is.EqualTo(new[] { 42 }));
}
public void Add_Empty_CountIsOne()
{
var arr = new SpaceOptimalDynamicArray <int>();
arr.Add(0);
Assert.That(arr.Count, Is.EqualTo(1));
}
public void Add_Empty_ValueIsAtZeroIndex()
{
var arr = new SpaceOptimalDynamicArray <int>();
arr.Add(42);
Assert.That(arr[0], Is.EqualTo(42));
}
public void Add_MultipleTimes_CountIsCorrect(int size)
{
var arr = new SpaceOptimalDynamicArray <int>();
for (var i = 0; i < size; i++)
{
arr.Add(0);
}
Assert.That(arr.Count, Is.EqualTo(size));
}
public void Add_MultipleTimes_EnumerableIsCorrect(int size)
{
var arr = new SpaceOptimalDynamicArray <int>();
for (var i = 0; i < size; i++)
{
arr.Add(i);
}
Assert.That(arr.ToList(), Is.EqualTo(Enumerable.Range(0, size)));
}
public void Item_IndexAboveCount_Throws(int size)
{
var arr = new SpaceOptimalDynamicArray <int>();
for (var i = 0; i < size; i++)
{
arr.Add(i);
}
Assert.That(() => arr[size + 1], Throws.TypeOf <ArgumentOutOfRangeException>());
}
public void Add_MultipleTimes_ItemsAreCorrect(int size)
{
var arr = new SpaceOptimalDynamicArray <int>();
for (var i = 0; i < size; i++)
{
arr.Add(i);
}
for (var i = 0; i < size; i++)
{
Assert.That(arr[i], Is.EqualTo(i));
}
}
public void Shrink_All_CountIsZero(int size)
{
var arr = new SpaceOptimalDynamicArray <int>();
for (var i = 0; i < size; i++)
{
arr.Add(i);
}
for (var i = 0; i < size; i++)
{
arr.Shrink();
}
Assert.That(arr.Count, Is.Zero);
}
public void GrowToThousandAndShrinkAgain()
{
var arr = new SpaceOptimalDynamicArray <int>();
for (var i = 0; i < 1000; i++)
{
arr.Grow();
arr[i] = i;
}
for (var i = 0; i < 1000; i++)
{
Assert.That(arr[i], Is.EqualTo(i));
}
Assert.That(arr.ToList(), Is.EqualTo(Enumerable.Range(0, 1000)));
for (var i = 0; i < 1000; i++)
{
arr.Shrink();
}
Assert.That(arr.Count, Is.Zero);
}
public void Item_IndexNegative_Throws()
{
var arr = new SpaceOptimalDynamicArray <int>();
Assert.That(() => arr[-1], Throws.TypeOf <ArgumentOutOfRangeException>());
}
public void Ctor_EnumerableIsEmpty()
{
var arr = new SpaceOptimalDynamicArray <int>();
Assert.That(arr.ToList(), Is.Empty);
}
public void Shrink_Empty_Throws()
{
var arr = new SpaceOptimalDynamicArray <int>();
Assert.That(() => arr.Shrink(), Throws.InvalidOperationException);
}
public void Ctor_CountZero()
{
var arr = new SpaceOptimalDynamicArray <int>();
Assert.That(arr.Count, Is.Zero);
}