public void InitialArrayWithoutExistingItems()
{
var testTarget = new DoubleArraySizeStrategy <int>();
var array = testTarget.CreateInitialArray();
array.Length.Should().Be(testTarget.InitialCapacity);
}
public void IncreaseArraySize(int[] array)
{
var testTarget = new DoubleArraySizeStrategy <int>();
var newArray = testTarget.CreateLargerArrayFrom(array);
newArray.Length.Should().Be(array.Length * 2);
newArray.MustStartWith(array);
}
public void InitialArrayWithExistingItems(int[] existingItems, int expectedCapacity)
{
var testTarget = new DoubleArraySizeStrategy <int>();
var array = testTarget.CreateInitialArray(existingItems);
array.Length.Should().Be(expectedCapacity);
array.MustStartWith(existingItems);
}