public void StackCopyToWithNullArrayThrowsException()
{
//Arrange
var stack = new StaticStack <string>(5);
var emptyArray = default(string[]);
//Act
stack.Push("one");
stack.Push("two");
stack.Push("three");
stack.Push("four");
stack.Push("five");
stack.CopyTo(emptyArray, 0);
//Assert
}
public void StackCopyToWithBiggerIndexThanStackLengthThrowsException()
{
//Arrange
var stack = new StaticStack <string>(5);
var emptyArray = new string[5];
//Act
stack.Push("one");
stack.Push("two");
stack.Push("three");
stack.Push("four");
stack.Push("five");
stack.CopyTo(emptyArray, 6);
//Assert
}
public void StackCopyToWorksCorrectly()
{
//Arrange
var stack = new StaticStack <string>(5);
var emptyArray = new string[3];
var expectedArray = new string[] { "three", "two", "one" };
//Act
stack.Push("one");
stack.Push("two");
stack.Push("three");
stack.CopyTo(emptyArray, 0);
//Assert
CollectionAssert.AreEqual(expectedArray, emptyArray);
}