public static void CopyToTest()
{
var valueStack = new ValueStack <int>(new int[] { 1, 2, 3 });
var destination = new int[3];
valueStack.CopyTo(destination);
Assert.That(() => destination,
Is.EquivalentTo(new int[] { 1, 2, 3 })
);
_ = valueStack.Pop();
valueStack.Push(4);
valueStack.CopyTo(destination);
Assert.That(() => destination,
Is.EquivalentTo(new int[] { 1, 2, 4 })
);
destination = new int[6];
valueStack.CopyTo(destination);
Assert.That(() => destination,
Is.EquivalentTo(new int[] { 1, 2, 4, 0, 0, 0 })
);
_ = valueStack.Pop();
valueStack.Push(5);
valueStack.Push(6);
valueStack.CopyTo(destination);
Assert.That(() => destination,
Is.EquivalentTo(new int[] { 1, 2, 5, 6, 0, 0 })
);
Assert.That(() => valueStack.CopyTo(Array.Empty <int>()),
Throws.ArgumentException
.And.Property("ParamName").EqualTo("destination")
);
valueStack = new ValueStack <int>();
Assert.That(() => valueStack.CopyTo(Array.Empty <int>()),
Throws.Nothing
);
}
